Texas Instruments TAS3251 Manuale utente

SLAU757–January 2018

TAS3251 Evaluation Module

ADVANCE INFORMATION

User's Guide

SLAU757–January 2018

TAS3251 Evaluation Module

This user's guide describes the characteristics, operation, and use of the TAS3251 evaluation module. A

complete printed-circuit board (PCB) description, schematic diagram, and bill of materials (BOM) are also

included. For questions and support go to the E2E forums (e2e.ti.com).

The main contents of this document are:

• Hardware descriptions and implementation

• Design information

Related documents:

•TPA3245 115-W Stereo, 230-W Mono PurePath™ Ultra-HD Analog-Input Class-D Amplifier data sheet

TAS32xx

PWM A

PWM B

PWM C

PWM D

I2S Input

MCLK

BCLK

LRCLK

Data

Quick Start (BTL Mode)

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Contents

1 Quick Start (BTL Mode)..................................................................................................... 2

2 Schematic and Bill of Materials ............................................................................................ 6

List of Figures

1 Output Configuration BTL .................................................................................................. 2

2 EVM Board (Top Side)...................................................................................................... 3

3 EVM Board (Bottom Side).................................................................................................. 4

4 TAS3251EVM Schematics (1 of 6)........................................................................................ 6

5 TAS3251EVM Schematics (2 of 6)........................................................................................ 7

6 TAS3251EVM Schematics (3 of 6)........................................................................................ 8

7 TAS3251EVM Schematics (4 of 6)........................................................................................ 9

8 TAS3251EVM Schematics (5 of 6) ...................................................................................... 10

9 TAS3251EVM Schematics (6 of 6) ...................................................................................... 11

List of Tables

1 Jumper and Switch Configurations (USB BTL Mode) .................................................................. 4

2 TAS3251EVM Bill of Materials ........................................................................................... 12

Trademarks

PurePath is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

1 Quick Start (BTL Mode)

Figure 1 shows the output configuration BTL.

Figure 1. Output Configuration BTL

1.1 Required Hardware

The following is required for this EVM configuration:

• TAS3251EVM

• Power supply 5–17 A, 15–36 V

• Two cables for for power supply connection

• Two 3–8 Ωspeakers or resistor loads (ensure speaker or load is appropriately sized for required

wattage output)

• Four cables for banana or terminal to speaker or load connection

• USB micro cable

• PC with PurePath™ Console 3 (PPC3) and audio track

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Quick Start (BTL Mode)

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TAS3251 Evaluation Module

ADVANCE INFORMATION

1.2 Connections and Board Configuration (USB BTL Mode)

Figure 2 and Figure 3 illustrate the top and bottom EVM boards.

Figure 2. EVM Board (Top Side)

Quick Start (BTL Mode)

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Figure 3. EVM Board (Bottom Side)

Use the following when connecting and configuring the board for 48-kHz USB BTL mode:

1. Ensure the power supply is OFF. Connect the power supply positive terminal to J24 PVDD (red) and

negative to J1 GND (black).

2. Connect the left channel speaker or power resistor load (3–8 Ω) to the TAS3251EVM OUTA terminal

(J10 OUTA (red)) and the other side of the speaker or resistor load to the TPA3251EVM OUTB

terminal (J10 OUTB (black)).

3. Connect the right channel speaker or power resistor load (3–8 Ω) to the TAS3251EVM OUTA terminal

(J15 OUTA (red)) and the other side of the speaker or resistor load to the TPA3251EVM OUTB

terminal (J15 OUTB (black)).

4. Check to make sure that the power supply is connected to J24 only, and the speakers or resistor loads

are connected to J10 or J15 only, as their colors are the same.

5. Connect USB cable from the PC to the TAS3251EVM.

6. Ensure that DAC MUTE S1 and AMP RESET S3 are in the lower positions of MUTE and RESET.

7. Check Table 1 for all jumper and switch configurations.

Table 1. Jumper and Switch Configurations (USB BTL Mode)

Jumper Description Configuration for BTL

J16 HS-EN USB high-speed enable Do not care

J33 XMOS DISABLE Remove

J2 Frequency select Remove

J30 Data select for J9 Do not care

J1 MCLK-SEL Install

J3 MCLK 1-2

J4 SCLK 1-2

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Quick Start (BTL Mode)

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TAS3251 Evaluation Module

ADVANCE INFORMATION

Table 1. Jumper and Switch Configurations (USB BTL Mode) (continued)

Jumper Description Configuration for BTL

J5 LRCLK 1-2

J7 SDIN 1-2

J37 I2S source select Install

J31 PBTL INC Remove

J32 PBTL IND Remove

J14 MODE Install

J19 ADR Install

J22 PWM switching frequency 3-4

J35 SLAVE ENABLE Remove

J11 JTAG power Do not care

J26 PVDD Install

J29 3.3V Install

J27 12V Install

J20 GVDD Install

J8 5-V select 1-2

S1 DAC MUTE MUTE

S3 AMP RESET RESET

1.3 Power Up

Ensure that the required connections and configurations have been checked. The TAS3251EVM board

can now be powered on.

1. Enable the power supply at 15 V to 36 V and ensure that D13 and D14 illuminates. LEDs D9 and D10

should not be illuminated.

2. Bring the DAC out of MUTE by switching DAC MUTE (S1) to NORMAL.

3. Bring the Power Stage out of RESET by switching AMP RESET (S3) to the high position. You should

see the FAULT LED (D10) blink once quickly, then remain unilluminated.

GND

47.0k

R157

3.3V

GND

32Y 4

VCC 5

1Y 6

U29

SN74LVC2G07 DSFR

3.3V

VDDIOL

VDD 11

VDDIOL

VDD 16

VDD 17

VDDIOL

VDD 24

VDDIOL

VDD 36

VDD 41

VDDIOL

VDDIOR

VDD 56

VDD 60

VDDIOR

VDD 73

VDDIOR

VDD 80

VDD 81

VDDIOR

VDD 87

VDDIOR

VDD 101

VDD 102

PLL_AVDD 103

PLL_AGND 104

OTP_VCC

105

VDDIOT

110

VDDIOT

111

VDD 120

USB_VDD33

USB_VDD 49

VDD 126

PAD 129

XEF216-512-TQ 128-C20

U2E

3.3V 1.0V

3.3V

1.0V

GND

4.75

R140

0.1µF

C82

GND

X0D36 3

X0D37 4

X0D38 5

X0D39 7

X0D40 8

X0D41 9

X0D42 10

X0D43 12

X0D01 27

X0D10 28

X0D00 30

X0D04 31

X0D11 32

X0D05 33

X0D06 34

X0D07 35

X0D02 37

X0D03 38

X0D08 39

X0D09 40

X0D14 57

X0D15 58

X0D20 59

X0D21 61

X0D12 62

X0D13 63

X0D22 64

X0D23 66

X0D16 68

X0D17 69

X0D18 70

X0D19 71

X0D24 88

X0D25 89

X0D34 90

X0D35 91

X0D26 93

X0D27 94

X0D32 95

X0D28 96

X0D33 97

X0D29 98

X0D30 99

X0D31 100

XEF216-512-TQ 128-C20

U2A 1.00k

R110

3.3V

GND

3.3V

GND

3.3V

10.0k

R144

3.3V

GND

X-HS-EN

USB_D_P

USB_D_M

USB_ID

GND

X1D35 13

X1D36 15

X1D37 18

X1D38 20

X1D18 25

X1D19 26

X1D14 51

X1D15 53

X1D20 54

X1D21 55

X1D02 72

X1D03 74

X1D04 75

X1D05 76

X1D06 77

X1D07 79

X1D08 82

X1D09 84

X1D00 85

X1D01 86

X1D41 107

X1D42 108

X1D43 109

X1D40 106

X1D26 112

X1D27 113

X1D28 114

X1D29 115

X1D30 116

X1D31 117

X1D32 118

X1D33 119

X1D39 21

X1D16 22

X1D17 23

X1D10 121

X1D11 122

U2B

XEF216-512-TQ 128-C20

1PG 2

FB 3

VOS 4

GND 5

SW 6

VIN

TPS62085RLTR

22µF

C125

470nH

40.2k

162k

1.00M

5V to 1V BUCK

0.1µF

C126

22µF

C124

1.0V

GND

GND GND

XIN/CLK

VDD

VCTRL

GND 5

VDDOUT 6

VDDOUT 7

Y3 8

Y2 9

GND 10

Y1 11

SCL/S2

12 SDA/S1

XOUT

U26

CDCE913PWR

GND

3.3V

VCCA

GND 5

B2 6

B1 7

VCCB 8

SN74AVC2T244 DQMR

GND GND

3.3V 1.8V

ENABLE

GND 2

SENSE

SENSE_OUT 4

VCC

U30

TPS3897ADRYR

3.3V

25.5k

R156

1.0V

51.0k

R158

10.0k

R155

3.3V

470pF

C150

GND

10.0k

R149

10.0k

R150

X-24M

X-MCLK

3.3V

Blue

USB RDY

560

R141

2.2µF

C142

GND

GND GND

X-MCLK

47.0k

R136

3.3V 3.3V 3.3V

USB I/O

USB_ID

43 USB_VBUS

USB_DP

USB_DM

USB_RTUNE

XEF216-512-TQ 128-C20

U2C

43.2

R148

0.1µF

C141

GND

10.0k

R145

X-TCK

X-TMS

X-TDO

X-TDI

X-TRSTN X-RSTN

TRST

123

RST

124 CLK

125

TMS

127 TCK

128

TDO

1TDI

XEF216-512-TQ 128-C20

U2D

X-24M

X-TCK

X-TMS

X-TDO

X-TDI

X-RSTN

TRST

XMOS AND I/Os

R147

VDD

OE/STANDBY

1GND 2

OUT 3

24MHz

3.3V

GND

10.0k

R154

JTAG

CLOCK GENERATION

33.2

R153

33.2R146

33.2

R151

33.2

R152

GND

0.1µF

16V

C148

3.3V

GND

0.1µF

16V

C149

3.3V

GND

3.3V

GND

3.3V

GND

3.3V

X-SCL

X-SDA

33.2R143

33.2

R142

J17

JTAG

GND X-TDI

X-TMS

X-TCK

X-TDO

X-TRSTN

VBUS-XMOS

X-SCL

X-SDA

BCLK-USB

LRCLK-USB

SDOUT-USB

3.3V

BCLK-USB

4.99k

R124

4.99k

R133

3.3V 3.3V

SDOUT-USB

BCLK-USB

LRCLK-USB

I2S

USB-SPDIF

0R134

R135

X-MCLK

X-SCL

X-SDA

GND

I2C

SDA

SCL

GND

3.3V

SDA_B

GND

2VCCA 3

SDA_A 4

SCL_A 5

OE 6

VCCB 7

SCL_B

TCA9406DC UR

I2C-BUF-EN

I2C BUF CTRL

I2C-BUF-EN

0.1µF

16V

C17

0.1µF

16V

C27

0.1µF

16V

C37

0.1µF

16V

C40

0.1µF

16V

C45

0.1µF

16V

C54

0.1µF

16V

C58

0.1µF

16V

C74

0.1µF

16V

C80

0.1µF

16V

C99

0.1µF

16V

C100

0.1µF

16V

C101

0.1µF

16V

C102

5V-USB

0.1µF

16V

C143

0.1µF

16V

C144

0.1µF

16V

C145

0.1µF

16V

C146

0.1µF

16V

C147

1.8V

1.8V 1.8V

VBUS 1

D- 2

D+ 3

ID 4

GND 5

J18

USB

J16

HS-EN

GND

XMOS-ENABLE

R159

3.3V

RESET-AMP

DAC_MUTE

FAULT

CLIP_OTW

0R160

0R161

0R162

0R163

47.0k

R137

47.0k

R138

47.0k

R139

XIN-CLK

R63

R164

3.3V

R167

1.0V

GND

0.1µF

16V

C127

0.1µF

16V

C128

0.1µF

16V

C129

0.1µF

16V

C130

0.1µF

16V

C131

0.1µF

16V

C132

0.1µF

16V

C133

0.1µF

16V

C134

0.1µF

16V

C135

0.1µF

16V

C136

0.1µF

16V

C137

0.1µF

16V

C138

0.1µF

16V

C139

0.1µF

16V

C140

GND-USB

J33

10.0k

R80

Schematic and Bill of Materials

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2 Schematic and Bill of Materials

This section includes the TAS3251EVM schematics and the TAS3251EVM BOM.

2.1 Schematic

Figure 4 to Figure 9 display the EVM schematics.

Figure 4. TAS3251EVM Schematics (1 of 6)

2.00k

R52

ADR

DUT 0R62

CLIP_OTW

FAULT

DUT MODE

Blue

USB

2.00k

R105

Blue

D15

OPTICAL

GND

2.00k

R107

Q10

GND

2.00k

R109

MUTE-LED

P2-LED

P1-LED

P0-LED

I2S MUX CONTROL

MUX_CTRL

MUX-CTRL_MCU

R111

ADR-MCU

GND

S4 MUTE

S5 VOL UP

S6 VOL DN

S7 PROGRAM SEL

S8 LOAD

S10 INPUT

470pF

C53

470pF

C51

470pF

C50

470pF

C49

470pF

C48

470pF

C57

25.5k

R38

25.5k

R39

25.5k

R40

25.5k

R42

25.5k

R44

25.5k

R45

AVCC

AVSS 13

DVCC

DVSS 1

DVSS 4

P1.0/TA0CLK/ADC10CLK

P1.1/TA0.0

P1.2/TA0.1

P1.3/TA0.2

P1.4/SMCLK/TCK

P1.5/TA0.0/TMS

P1.6/TA0.1/TDI

P1.7/TA0.2/TDO/TDI

P2.0/TA1CLK/ACLK/A0 6

P2.1/TA0INCLK/SMCLK/A1 7

P2.2/TA0.0/A2 8

P2.3/TA0.1/A3/VREF-/VEREF- 27

P2.4/TA0.2/A4/VREF+/VEREF+ 28

P2.5/TA1.0/ROSC 40

P3.0/UCB0STE/UCA0CLK/A5

P3.1/UCB0SIMO/UCB0SDA

P3.2/UCB0SOMI/UCB0SCL

P3.3/UCB0CLK/UCA0STE

P3.4/UCA0TXD/UCA0SIMO

P3.5/UCA0RXD/UCA0SOMI

P3.6/TA1.1/A6

P3.7/TA1.2/A7

P4.0/TB0.0/CA0 15

P4.1/TB0.1/CA1 16

P4.2/TB0.2/CA2 17

P4.3/TB0.0/A12/CA3 18

P4.4/TB0.1/A13/CA4 19

P4.5/TB0.2/A14/CA5 20

P4.6/TB0OUTH/A15/CA6 21

P4.7/TB0CLK/CA7 22

PAD 41

RST/NMI/SBWTDIO 5

TEST/SBWTCK 37

XIN/P2.6 3

XOUT/P2.7 2

U12

MSP430G2955IRHA40R

SBWTDIO

SBWTCK

GND

3.3V

GND

0.1µF

C56

GND

1µF

C55

0.1µF

C109

GND

I2C SDA 0

R55 SDA-MCU

SCL 0

R54 SCL-MCU

MODE

R103

R104

SW-LOAD

SW-PROGSEL

SW-VOLDN

SW-VOLUP

SW-MUTE

SW-INPUT

SW-MUTE

SW-VOLUP

SW-LOAD

SW-PROGSEL

SW-VOLDN

3.3V

Blue

D16

COAX

3.3V

GND

3.3V

USB-LED

OPTICAL-LED

COAX-LED

USB-LED

OPTICAL-LED

COAX-LED

GND

3.3V

GND

3.3V

Blue

560

R47

2.00k

R51

Red

MUTE

2.00k

R50

Blue

2.00k

R53

GND

3.3V

GND

3.3V

I2S BUFFERS

SLAVE-EN

I2S-BUF-EN

J35

SLAVE ENABLE

R113

GND

10.0k

R114

3.3V

CLIP_OTW

FAULT

FREQ SEL

GND

FREQ SELECT

FREQ-SEL

OUT = 24.576MHz

IN = 22.5792MHz

FREQUENCY

SELECT

SLAVE

ENABLE

OUT = NORMAL MODE

IN = SLAVE MODE

J36 JTAG-RA

GND

J37

I2S SELECT

GND

I2S SELECT

OUT = AIB I2S

IN = SRC I2S

10.0k

3.3V

FREQ-SEL

3.3V

AIB

3.30k

R60

GND

PVDD

100k

R32

GND

8.06k

R56

1µF

100V

C46

1µF

100V

C97

0.1uF

C64

GND

0.1uF

C96

GND

VDD-RST

GND

RESET-AMP

GND 1

GND 2

RESET 3

VDD

TPS3802K33DCKR

VDD-RST

GND

AMP RESET

GND

DAC MUTE

GND

RST-AIB

P2-LED

P1-LED

P0-LED

MUTE-LED

GND

3.3V

49.9R43

47.0k

R41

3.3V

SPI BI-WIRE JTAG

VCC TOOL

TDIO

TCK

GND

J11

JTAG POWER

SBWTDIO

TCK

J12

JTAG

2200pF

C52

GND

SBWTCK

SBWTDIO

GPIO_AIB-1

GPIO_AIB-2

SW-INPUT

MUTE-AIB

DAC_MUTE

10.0k

R92

3.3V

DAC_MUTE

RST-AIB

MUTE-AIB

GPIO_AIB-1

GPIO_AIB-2

RST-AMP

TO DUT

560

R46

560

R48

560

R49

560

R106

560

R108

560

R57

0.1µF

C151

GND

GVDD

10.0k

R129

3.3V

A0-SRC

I2C BUFFERS I2C-BUF-EN 0

R112

0R10

SRC4392

MCLK-SEL

MCLK SELECT

MCLK-SEL

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Schematic and Bill of Materials

SLAU757–January 2018

TAS3251 Evaluation Module

ADVANCE INFORMATION

Figure 5. TAS3251EVM Schematics (2 of 6)

RX1+

RX1-

RX2+

RX2-

RX3+

RX3-

RX4+

RX4-

LOCK 11

RXCKO 12

TX- 31

TX+ 32

AESOUT 34

BLS 35

SYNC 36

BCKA

37 LRCKA

SDINA

SDOUTA

SDOUTB

45 SDINB

LRCKB

BCKB

MCLK

RXCKI

MUTE

14 RDY

NC 41

CPM 18

CS/A0 19

CCLK/SCL 20

CDIN/A1 21

CDOUT/SDA 22

INT 23

RST 24

GPO1 26

GPO2 27

GPO3 28

GPO4 29

U7A

SRC4392IPFBR

GND

3.3V

GND

0.1µF

C18

33.0

R16

0.1µF

C19

0.1µF

C20

0.1µF

C21

GND

RX1+

RX1-

RX2+

RX2-

3.3V

COAX SPDIF IN

OPTICAL

I2C_ADD=0xE0

SPDIF-IN

SDOUT-USB

BCLK-USB

LRCLK-USB

0.1µF

16V

C24

GND

SPDIF-RESET

SPDIF

SPDIF-RESET

LRCLK-SRC

SDOUT-SRC

SDA

I2C SCL

I2S

USB-SPDIF

SPDIF

VCC 1

GND 2

VOUT 3

SPDIF-IN

GND

SCLK-SRC

LRCLK-SRC

SDOUT-SRC

MCLK-SRC

SCLK-SRC

LRCLK-PSIA

MCLK-PSIA

BCLK-PSIA

SDIN-PSIA

GND GND

3.3V

MCLK-MUX

GND GND

3.3V

BCLK-MUX

GND GND

3.3V

LRCLK-MUX

GND GND

3.3V

SDIN-MUX

GND GND

RESET

SPDIF-RESET

1.00k

R20

4.99k

R22

3.3V 3.3V

SDA-SRC

SCL-SRC

SDOUT-USB

LRCLK-USB

BCLK-USB

EXTERNAL I2S (AIB) 3.3V 12V

3.3V

LRCLK-EXT

DIN-EXT

MCLK-EXT

BCLK-EXT

LRCLK-EXT

DIN-EXT

PVDD

FAULT

SRC POWER NODES ON POWER SUPPLY PA GE

(U7B)

FROM

DUT

PSIA CLOCK SELECT

MCLK-EXT

BCLK-EXT

CLIP_OTW

R28

OUT-A

OUT-B

OUT-D

OUT-C

OUT-COUT-D

OUT-B

OUT-A

R26

R27

SCL-AIB

SDA-AIB

SDOUT

BlueD2

SPDIF-LOCK

0.1µF

C59

3.3V

GND

0.1µF

C69

3.3V

GND

0.1µF

C70

3.3V

GND

0.1µF

C108

3.3V

GND

PVDD-EXT

GND

A/B

VCC 8

SN74LVC2G157DCTR

GND

A/B

VCC 8

U11

SN74LVC2G157DCTR

GND

A/B

VCC 8

U13

SN74LVC2G157DCTR

GND

A/B

VCC 8

U14

SN74LVC2G157DCTR

MUX_CTRL

GND

3.3V

I2S

MCLK

SCLK

LRCK

SDIN

49.9

R17

49.9

R18

49.9

R21

49.9

R24

GND

3.3V

GND

3.3V

GND

3.3V

GND

3.3V

GND

3.3V

GND

3.3V

GND

3.3V

INTERBOARD

GND

SDA

1 2

3 4

5 6

7 8

9 10

11 12

13 14

I2X

MCLK-IBC

BCLK-IBC

LRCLK-IBC

SDIN-IBC

CONNECTOR

MCLK-IBC

BCLK-IBC

LRCLK-IBC

SDIN-BUF

MUX_CTRL

MSP430 I2S-BUF-EN

I2S-BUF-EN

DECOUPLING

0.1µF

C110

3.3V

GND

0.1µF

C111

3.3V

GND

0.1µF

C112

3.3V

GND

0.1µF

C113

3.3V

GND

0.1µF

C114

3.3V

GND

0.1µF

C115

3.3V

GND

0.1µF

C116

3.3V

GND

0.1µF

C117

3.3V

GND

10.0kR119

10.0kR121

10.0kR122

GND

3.3V

A0-SRC

A1-SRC

3.3V

10.0k

R123

GND

10.0kR120

100k

R115

GND

100k

R116

GND

100k

R117

GND

100k

R118

GND

CLIP_OTW

FAULT

RST-AIB

MCLKI

VDD

OE/STANDBY

1GND 2

OUT 3

24.576MHz

VDD

OE/STANDBY

1GND 2

OUT 3

22.5792MHz

FREQ SELECT FREQ-SEL

R130

GND

3.3V

2 4

U27

LVC1G14

3.3V

GND

FREQ-SEL

R132

2 4

U28

LVC1G14

3.3V

GND

I2S-BUF-EN

0.1µF

C118

3.3V

GND

0.1µF

C119

3.3V

GND

0.1µF

C120

3.3V

GND

0.1µF

C121

3.3V

GND

0.1µF

C122

3.3V

GND

0.1µF

C123

3.3V

GND

J34

GND

ALIGNMENT

HEADER

AIB

U18B

LVC1G125DSF

U18A

LVC1G125DSF

U20B

LVC1G125DSF

U22B

LVC1G125DSF

U24B

LVC1G125DSF

U20A

LVC1G125DSF

U22A

LVC1G125DSF

U24A

LVC1G125DSF

U19B

LVC1G125DSF

U21B

LVC1G125DSF

U23B

LVC1G125DSF

U25B

LVC1G125DSF

U19A

LVC1G125DSF

U21A

LVC1G125DSF

U23A

LVC1G125DSF

U25A

LVC1G125DSF

TO MSP430

GPIO_AIB-1

RST-AIB

GPIO_AIB-2

MUTE-AIB

GPIO_AIB-1

GPIO_AIB-2

MUTE-AIB

SDOUT

J30

J9 DATA SEL

SDIN-BUF

SDIN-IBC

FROM DUT

R11

3.3V

R12

GND

SCL

GND

910

12 11

14 13

16 15

18 17

20 19

22 21

24 23

26 25

28 27

J28

560

R19

RXCKO

FREQ-SEL

GND GND

3.3V

GND

A/B

VCC 8

U31

SN74LVC2G157DCTR

MCLK-SEL

GND

10.0kR66

3.3V

A0-SRC

GreenD3

SPDIF-READY

3.3V

1.00k

R23

A0-SRC

I2S-BUF-EN

MUX_CTRL

SPDIF-RESET

10.0k

R25

R168 I2S-BUF-EN

SDA

SCL

R131

MCLK-SEL MCLK-SEL

MCLK-SEL

0R169

R170

SDA

SCL SCL-SRC

SDA-SRC

SDA

SCL

SDA

SCL

MCLK-XTAL

0.1µF

C156

3.3V

GND

Schematic and Bill of Materials

www.ti.com

8SLAU757–January 2018

Submit Documentation Feedback

TAS3251 Evaluation Module

ADVANCE INFORMATION

Figure 6. TAS3251EVM Schematics (3 of 6)

MCLK

SCLK

LRCK

SDIN

I2S

2.2µF

C75

MODE

ADR

MSP430

MODE

SDA

I2C SCL SCL

SDA

ADR

OUTRP

OUTRN

OUTLP

OUTLN

IN_A

IN_B

IN_D

IN_C

DAC OUTPUT

DAC

FROM

0.033µF

C66

0.033µF

C68

0.033µF

C76

0.033µF

C77

OUT_D

OUT_C

OUT_B

OUT_A

MCLK

SCLK

LRCK

SDIN

0.1uF

C36

GND

R31 GVDD_AB

0.1uF

C44

GND

R36 GVDD_CD

1µFC65

GND

1µFC63

TP13

DVDD

TP11

AVDD

TP12

DAC-AVDD

TP9

GVDD-AB

TP10

GVDD-CD

3.3V

0.1µF

C72

GND GND

10µF

C71

0.1µF

C73

GND

OSCILLATOR

SYNC

INTERFACE

J23

OSC-IOM

OSC-IOP

OSC-IOM

OSC-IOP

C_START

GND

OUTA

GND

OUTB

GND

OUTC

GND

OUTD

MONITORS

FAULT

CLIP_OTW

FAULT

3.3V

SLAVE MODE

20.0kR76

MASTER MODE (600kHz)

MASTER MODE AM1 (500kHz)

MASTER MODE AM2 (450kHz)

GND FREQUENCY ADJUST

J22

FREQ_ADJ

GND

I2C ADDRESS

ADRJ19

ADR

J14

MODE

MODE GND

MODE

GND

PVDD

GNDGND

TP7 PVDD-CD

1µF

100V

C28

1µF

100V

C29

GND

PVDD

GNDGND

TP8 PVDD-AB

1µF

100V

C41

1µF

100V

C42

22.0k

R74

TP14

OC-ADJ OC_ADJ

GND

OUT-A

OUT-B

OUT-D

OUT-C

AIB

GND

ZOBEL NETWORK

POST FILTER FEEDBACK

1µF

100V

C98

GND

1µF

100V

C104

GND

1µF

100V

C103

GND

1µF

100V

C105

30.0kR75

10.0k

R77

0.1µF

C61

GNDGND

3.3V

10µF

C60

10.0k

R90

3.3V

10.0kR91

100k

R88

499

R95

499

R98

1000pF

C62

GND

100k

R65

GND

100k

R64

499

R67

499

R69

1000pF

C106

GND

100k

R59

GND

INC

IND

INA

INB

2200µF

C30

2200µF

C43

Black

J13

GNDAB

Black

J21

GNDCD

GND

CLIP_OTW

FAULT

MSP430/AIB

HEATSINK

R99

IN_D

IN_C

J31

INC

GND

R100

J32

IND

GND

SHUNT FOR PBTL

µF

C107

GND

DAC_MUTE

RESET-AMP

3.3V

DAC-RESET

AVDD

DVDD

R125

R126

R127

R128

GND

0.047µF

C78

R101

3.3V

GND

R102

RESET-AMP

DAC_MUTE

J20

GVDD

DAC-RESET

OUTPUT

SDOUT TO IBC

SDOUT

22pF

18.0k

R15 10µF

2.00k

R29

GND

220pF

R13

R30

R61

R72

R14

0R33

0R68

0R73

IN_D

22pFC10

18.0k

R35 10µF

2.00k

R37

GND

220pF

IN_C

22pF

C13

18.0k

R70 10µF

C11

2.00k

R71

GND

220pF

C12

IN_B

22pFC16

18.0k

R96 10µF

C14

2.00k

R97

GND

220pF

C15

IN_A

OUTA

OUTB

OUTC

OUTD

DAC OUTPUT

7uH 6.5A

MA5173

7uH 6.5A

MA5173

7uH 6.5A

MA5173

7uH 6.5A

MA5173

0.68µF

250V

C47

0.68µF

250V

C67

0.68µF

250V

C79

0.68µF

250V

C81

3.30

R87

3.30

R89

3.30

R93

3.30

R94

12V GVDD

GVDD

GND

DAC_AVDD

BST_A 44

BST_B 43

BST_C 32

BST_D 31

C_START 24

FAULT 28

FREQ_ADJ 18

GND 22

GND 13

GND 33

GND 42

GVDD_AB

GVDD_CD

IN_A

IN_B

IN_C

IN_D

OC_ADJ

OSC_IOM

OSC_IOP

CLIP_OTW 29

OUT_A 41

OUT_B 39

OUT_C 36

OUT_D 34

PVDD_AB

PVDD_CD

RESET_AMP

27 MODE

AVDD

SDA

54 SCL

ADR

MCLK

SDIN

48 LRCK

SDOUT 51

DAC_DVDD

OUT_RN 2

GND 7

OUT_RP 1

DGND 10

GND 37

AGND 55

GND 38

DVDD

OUT_LP 4

OUT_LN 3

CPVSS 5

DVDD_REG

SCLK

DAC_DVDD

DAC_MUTE

TAS3251DKQR

TP2 MCLK

TP3 BCLK

TP4 LRCLK

TP1 SDIN

OUT_A

OUT_B

OUT_C

OUT_D

1000pF

C152

GND

1000pF

C153

GND

1000pF

C154

GND

1000pF

C155

GND

R165

R166

560

R79

Red

D10 FAULT

3.3V

560

R78

3.3V

Orange

D9 CLIP_OTW

TP15

CLIP_OTW

TP16

FAULT

J10

OUTAB

J15

OUTCD

TP17 OUTA

TP18 OUTB

TP20 OUTD

TP19 OUTC

GND

www.ti.com

Schematic and Bill of Materials

SLAU757–January 2018

TAS3251 Evaluation Module

ADVANCE INFORMATION

Figure 7. TAS3251EVM Schematics (4 of 6)

1OUT 3

GND 2

TAB

U15

LM2940IMP-12/NOPB

0.47µF

C83

GND

GNDGND

PVDD

GND

0.01µF

100V

C33

PVDD MAX = 36V

47µF

63V

C31

15V

10µF

C85

GNDGND GND

100µF

C86

J29

3.3V

0.1uF

C84

GND GND

GND

12V

47µF

C39

J27

12V 499

R86

GND

Green

D14

3.3V

1.50k

R85

GND

Green

D13

12V

GND

D12

0.047µF

C26

0.1uF

C22

GND

4700pF

C35

182k

R34

5600pF

C34

4.99k

R58

1.00k

R84

GND

D11

GND

VCC 9

SW 1

FB 6

RTN

VIN

BST 2

RON/SD

DAP 11

ISEN 3

SGND

U10

LM5010ASD/NOPB

PVDD

GND GND

Hi Current Shunt

15V

J26

PVDD-IN

15V-VR

100µH 1.5A

0.1µF

100V

C25

1µF

100V

C32

2.2µF

100V

C23

4.7µF

25V

C38

3.3V

GND

0.1µF

C88

10µF

C87

GND

0.1µF

C94

GND

0.1µF

C90

GND

1.8V

0.1µF

C89

GND

3.3V

VCC

AGND 10

DGND1 16

VDD18

DGND2 30

VDD33

VIO

DGND3 43

BGND 44

U7B

SRC4392IPFBR

10µF

C93

SRC POWER

VIN-PS

SW-PS

15V

5V SEL 5V

5V-USB5V-VR

PGND 1

VIN

AGND 4

FB 5

VOS 6

SW 7

EP 9

U16

TPS62163DSGR

5V-VR

22µF

GND

100k

2.2uH

IN1

GND 3

IN2

EN2

NR/SS2

SS_CTRL2

8PG2 9

FB2 10

OUT2 11

OUT2 12

GND 13

OUT1 14

OUT1 15

FB1 16

PG1 17

SS_CTRL1

NR/SS1

EN1

PAD 21

TPS7A8801RTJR

U17 3.3V

1.8V

10.7k

GND

33.2k

22µF

C92

11.0k

GND

13.7k

22µF

1µFC95

1µFC4

GND

10µF

C91

10µF

TP5

5V-IN

TP6

GND

D17

J24

PVDD

J25

Schematic and Bill of Materials

www.ti.com

10 SLAU757–January 2018

Submit Documentation Feedback

TAS3251 Evaluation Module

ADVANCE INFORMATION

Figure 8. TAS3251EVM Schematics (5 of 6)

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