Texas Instruments TPA3200D1 Manuale utente

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FEATURES DESCRIPTION

LRCK

1.0 mF

Control

Inputs

DGND

Gain Select

+5V

Channel Select

{

BCK

GAIN0

VCOM

DATA

FORMAT

SCLK

GAIN1

LR_SEL

VDD

SHUTDOWN

VCLAMP

PGND

Shutdown Control

+18V

MUTE

DEMP

ZERO

AVCC

10 mF

{

Zero Input Flag

FLT1

FLT2

22 nF

COSC

AGND

ROSC

VREF

BYPASS

220 pF

1mF

120 kW

0.22 mF

BSN

51 W

OUTN

0.22 mF

BSP

OUTP

51 W

PVCC

Digital Audio

Processor

TPA3200D1

I2S or 16-bit RJ

TAS3103

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

20-W MONO DIGITAL INPUT AUDIO AMPLIFIER

•Digital Interface

The TPA3200D1 is a 20-W (per channel) efficient,digital audio power amplifier for driving a bridged-tied– 24-bit Resolution

speaker. The TPA3200D1 can drive a speaker with– Supports I

S and 16-Bit Word

an impedance as low as 4 Ω. The high efficiency ofRight-Justified Digital Input Formats

the TPA3200D1 (85%) eliminates the need for an– Multiple Sampling Frequencies:

external heat sink.5 kHz – 200 kHz

The digital input accepts 16-24 bit data in I

S format– 8x Oversampling Digital Filter

or 16-bit word right-justified. A digital filter performs– Soft Mute

an 8x interpolation function. Other features includesoft mute, a zero input detect output flag for power•Power Amplifier

conscious designs, and power saving shutdown– 20-W into an 8- ΩLoad from an 18-V Supply

mode.– Efficient Operation Eliminates Need for HeatSinks

– Three Selectable, Fixed Gain Settings– Thermal and Short-Circuit Protection

Simplified Application Circuit

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of TexasInstruments semiconductor products and disclaimers thereto appears at the end of this data sheet.PowerPAD is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005, Texas Instruments IncorporatedProducts conform to specifications per the terms of the TexasInstruments standard warranty. Production processing does notnecessarily include testing of all parameters.

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ABSOLUTE MAXIMUM RATINGS

DISSIPATION RATINGS

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

These devices have limited built-in ESD protection. The leads should be shorted together or the deviceplaced in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

AVAILABLE OPTIONS

PACKAGED DEVICET

44-PIN (DCP)

(1)

–40 °C to 85 °C TPA3200D1DCP

(1) The DCP package is available taped and reeled. To order a tapedand reeled part, add the suffix R to the part number (e.g.,TPA3200D1DCPR).

over operating free-air temperature range (unless otherwise noted)

(1)

TPA3200D1 UNIT

Supply voltage, VCC, PVCC –0.3 to 21 VV

Supply voltage, VDD –0.3 to 6.5 VR

Load Impedance ≥3.6 ΩSHUTDOWN – 0.3 to V

+ 0.3 VVi GAIN0, GAIN1, BCK, SCLK, DATA, LRCK, LR_SEL

–0.3 to V

+ 0.3 VFORMAT, MUTE, DEMPContinuous total power dissipation See Dissipation Rating TableT

Operating free-air temperature range –25 to 85 °CT

Operating junction temperature range –25 to 150 °CT

stg

Storage temperature range –65 to 150 °CLead temperature 1.6 mm (1/16 inch) from case for 10 seconds 260 °C

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratingsonly, and functional operations of the device at these or any other conditions beyond those indicated under recommended operatingconditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

PACKAGE T

≤25 °C DERATING FACTOR T

= 70 °C T

= 85 °C(1/ θ

)

44-pin DCP 4.89 W 39.1 mW/ °C

(1)

3.13 W 2.54 W

(1) Based on a JEDEC high-K PCB with the PowerPAD™ soldered to a thermal land on the printed-circuit board. See the PowerPADThermally Enhanced Package technical brief, literature number SLMA0002. The PowerPAD must be soldered to the PCB.

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RECOMMENDED OPERATING CONDITIONS

ELECTRICAL CHARACTERISTICS

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

PARAMETER PIN NAME MIN MAX UNIT

PVCC, VCC 8 18V

Supply voltage

VDD 4.5 5.5SHUTDOWN, GAIN0, GAIN1, BCK, SCLK, DATA,V

High-level input voltage 2LRCK, FORMAT, MUTE, DEMP

VSHUTDOWN, GAIN0, GAIN1, BCK, SCLK, DATA,V

Low-level input voltage 0.8LRCK, FORMAT, MUTE, DEMPV

High-level input voltage LR_SEL VDD x 0.7V

Low-level input voltage LR_SEL VDD x 0.3SHUTDOWN: V

= VCC, VCC = 12 V 1GAIN0, GAIN1, LR_SEL: V

= VDD, VDD = 5 V 1I

High-level input current

SCLK, BCK, DATA, LRCK: V

= VDD, VDD = 5 V 10FORMAT, MUTE, DEMP: V

= VDD, VDD = 5 V 100

µASHUTDOWN: V

= 0 V, VCC = 12 V 1GAIN0, GAIN1, LR_SEL: V

= 0 V, VDD = 5 V 1I

Low-level input current

BCK, SCLK, DATA, LRCK, FORMAT, MUTE, DEMP:

10V

= 0 V, VDD = 5 VV

High-level output voltage I

= –1 mA, ZERO 2.4

Low-level output voltage I

= 1 mA, ZERO 0.4f

OSC

Oscillator frequency 200 300 kHz

All specifications at T

= 25 °C, V

= 5 V, f

= 44.1 kHz, system clock = 384 f

and 24-bit data, unless otherwise noted

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

POWER SUPPLY REQUIREMENTS

(1)

= 44.1 kHz 26 31I

Supply current f

= 96 kHz 25 mAf

= 192 kHz 30

DIGITAL FILTER PERFORMANCE

FILTER CHARACTERISTICS

Pass band ±0.04 dB 0.454 f

Stop band 0.546 f

Pass-band ripple ±0.04 dBStop-band attenuation Stop band = 0.546 f

–50 dB

ANALOG FILTER PERFORMANCE

At 20 kHz –0.03Frequency response dBAt 44 kHz –0.20

SAMPLING FREQUENCY

fs Sampling frequency 5 200 KHz

DYNAMIC PERFORMANCE

Channel separation f

= 44.1 KHz, 96 KHz, 192 KHz 100 dB

(1) Conditions in 192-kHz operation are system clock = 128 f

and oversampling rate = 64 f

of register 18.

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FORMAT CHARACTERISTICS

ELECTRICAL CHARACTERISTICS

OPERATING CHARACTERISTICS

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

All specifications at T

= 25 °C, V

= 5 V, f

= 44.1 kHz, system clock = 384 f

and 24-bit data, unless otherwise noted

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

Resolution 24 Bits

Data

Audio-data interface format Audio I

S, standardAudio-data bit length Audio 16–24-bit (I

S), 16-bit (Right-justified)Audio data format MSB first, 2s complementSystem clock frequency 128 f

192 f

, 256 f

, 384 f

,512 f

, 768 f

, 1152 f

at T

= 25 °C, PV

= V

= 12 V (unless otherwise noted)

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

| Output offset voltage (measured differentially) MUTE = 2 V A

= 12 dB 100 mVPSRR Power supply rejection ratio PV

= 11.5 V to 12.5 V –73 dBV

REF

5 V regulator voltage I

= 10 mA, V

= 8 V – 18 V 4.55 4.9 5.45 VSHUTDOWN = 2.0 V, No load 8 15 mAI

Supply current

SHUTDOWN = V

, V

= 18 V, PO = 20 W, 1.3

= 8 ΩI

CC(SD)

Supply current shutdown mode SHUTDOWN = 0.8 V 1 2 µAOutput transistor on resistance (high side andr

DS(on)

= 0.5 A, T

= 25 °C 0.5 0.6 0.7 Ωlow side)

GAIN1 = 0.8 V, GAIN0 = 0.8 V 10.9 12 13.1G Gain GAIN1 = 0.8 V, GAIN0 = 2 V 17.1 18 18.6 dBGAIN1 = 2 V, GAIN0 = 0.8 V 22.9 23.6 24.4

= V

= 12 V, T

= 25 °C unless otherwise noted

PARAMETER TEST CONDITIONS MIN TYP MAX UNIT

Continuous output power at 10% THD+N f = 1 kHz, R

= 4 Ω12.8f = 1 kHz, R

= 8 Ω9P

WContinuous output power at 1% THD+N f = 1 kHz, R

= 4 Ω10.3f = 1 kHz, R

= 8 Ω7.5THD+N Total harmonic distortion plus noise P

= 10 W, R

= 4 Ω f = 20 Hz to 20 kHz 0.2%B

Maximum output power bandwidth THD = 1% 20 kHzk

SVR

Supply ripple rejection ratio f = 1 kHz, C

(BYPASS)

= 1 µF –60

dBSNR Signal-to-noise ratio P

= 10 W, R

= 4 Ω95C

(BYPASS)

= 1 µF, f = 20 Hz to 22 kHz, 150 µV(rms)V

Noise output voltage

A-weighted filter Gain = 12 dB

–76.5 dBV

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Audio

Serial

Port

Serial

Control

Port

4x/8x

Oversampling

Digital

Filter

and

Function

Control Multi-Level

Delta-Sigma

Modulator

Audio

Serial

Port

System Clock

BCK

LRCK

DATA

FORMAT

MUTE

DEMP

SCLK

DAC and

2:1 Mux

LR_SEL

VCOM

Gain

Adjust

−

Gain

Adjust

FLT1

FLT2 _

Deglitch

Logic

Deglitch

Logic

Gate

Drive

Gate

Drive

Clamp

Reference

Short-Circuit

Detect

Start-Up

Protection

Logic

Thermal VCC OK

Gain

SHUTDOWN

GAIN0

GAIN1 2Biases

and

References Ramp

Generator

VREF AGND AVCC

VREF AVCC

Power Supply

Zero Detect

COSC

ROSC

BYPASS

ZERO

VDD

DGND

VCLAMP

BSN

PVCC

OUTN

PGND

BSP

OUTP

PGND

PVCC

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

Functional Block Diagram

www.ti.com

BCK SCLK

LRCK

DATA

DGND

VDD

LR_SEL

VDD

DGND

VCOM

GAIN0

GAIN1

SHUTDOWN

PGND

VCLAMP

BSN

PVCC

OUTN

PGND

FORMAT

MUTE

DEMP

DGND

ZERO

DGND

FLT1

FLT2

VCC

VREF

BYPASS

COSC

ROSC

AGND

BSP

PVCC

OUTP

PGND

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

DCP

(TOP VIEW)

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TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

Terminal Functions

TERMINAL

I/O DESCRIPTIONNO. NAME

1 BCK I Bit clock input for audio data3 DATA I Audio data input4 LRCK I Left and right channel audio data latch enable inputSelect left-channel or right-channel data7 LR_SEL I HIGH: Left channel activeLOW: Right channel active11 GAIN0 I Gain select least significant bit. TTL logic levels with compliance to 5 V.12 GAIN1 I Gain select most significant bit. TTL logic levels with compliance to 5 V.Shutdown signal for IC (low = shutdown, high = operational).13 SHUTDOWN I

TTL logic levels with compliance to 18 V.5, 9, 38, 40 DGND - Digital ground6, 8 VDD - Digital power supply (4.5 V – 5.5 V)15 VCLAMP - Internally generated voltage supply for bootstrap capacitor17 BSN I/O Bootstrap I/O, negative high-side FET28 BSP I/O Bootstrap I/O, positive high-side FET2, 16 NC - No internal connection31 ROSC I/O I/O for current setting resistor for ramp generator32 COSC I/O I/O for charge/discharging currents onto capacitor for ramp generator creation33 BYPASS O Midrail analog reference voltage34 VREF O Analog 5-V regulated output. Not to be used for powering external circuitry.35 VCC - High-voltage analog power supply (8 V to 18 V).19, 20 OUTN O Class-D 1/2-H-bridge negative outputZero flag outputHIGH: No input present39 ZERO O

LOW: Data present at inputThis can be used to shutdown the device when no data is present at input.De-emphasis control.41 DEMP I HIGH: 44.1 kHz De-emphasis ONLOW: 44.1 kHz De-emphasis OFFSoft mute control42 MUTE I HIGH: Mute ONLOW: Mute OFFAudio data format select43 FORMAT I HIGH: 16-bit right justifiedLOW: 16- to 24-bit, I

S format44 SCLK I System clock input18, 27 PVCC - Power supply for H-bridge (8 V to 18 V)25, 26 OUTP O Class-D 1/2-H-bridge positive output29, 30 AGND - Analog ground14, 21, 22, 23, 24 PGND - Power ground for H-bridge10 VCOM - Midrail digital reference voltage36 FLT2 I/O

Noise-filter terminals. Connect capacitor across pins 36 and 3737 FLT1 I/O

Connect to AGND and PGND - should be the center point for both grounds.Thermal Pad

Internal esistive connection to AGND.

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TYPICAL CHARACTERISTICS

0.01

0.02

0.05

0.1

0.2

0.5

10m 10100m 200m 1 2

Total Hormonic Distortion Plus Noise − %

PO− Output Power − W

20 Hz

1 kHz

10 kHz

VCC = 12 V

RL= 8 

Gain = 18 dB

fS= 48 kHz

24−bit, I2S format

0.01

0.02

0.05

0.1

0.2

0.5

10m 10100m 200m 1 2

Total Hormonic Distortion Plus Noise − %

PO− Output Power − W

20 Hz

1 kHz

10 kHz

VCC = 12 V

RL= 8 

Gain = 23.6 dB

fS= 48 kHz

24−bit, I2S format

0.01

0.02

0.05

0.1

0.2

0.5

10m 20100m 200m 110

THD+N - T

otal Harmonic Distortion + Noise - %

PO- Output Power - W

10 kHz

1 kHz

R = 4 ,

LÙ

Gain = 18 dB,

f = 48 kHz,

24-bit, I S format

V = 12 V

20 Hz

0.01

0.02

0.05

0.1

0.2

0.5

10m 20

100m 200m 110

Total Hormonic Distortion Plus Noise − %

PO− Output Power − W

20 Hz

1 kHz

10 kHz

VCC = 18 V

RL= 8 

Gain = 23.6 dB

fS= 48 kHz

24−bit, I2S format

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

Total Harmonic Distortion Plus Noise Total Harmonic Distortion Plus Noisevs vsOutput Power Output Power

Figure 1. Figure 2.

Harmonic Distortion Plus Noise Total Harmonic Distortionvs vsOutput Power Power

Figure 3. Figure 4.

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0.01

0.02

0.05

0.1

0.2

0.5

20 20k100 200 1k 2k 10k

PO= 1 W

Total Hormonic Distortion Plus Noise − %

f − Frequency − Hz

VCC = 12 V

RL= 8 

Gain = 18 dB

fS= 48 kHz

24−bit, I2S format

PO= 5 W

PO= 500 mW

0.01

0.02

0.05

0.1

0.2

0.5

20 20k100 200 1k 2k 10k

Total Hormonic Distortion Plus Noise − %

f − Frequency − Hz

PO= 500 mW

PO= 1 W

PO= 5 W

VCC = 12 V

RL= 8 

Gain = 23.6 dB

fS= 48 kHz

24−bit, I2S format

0.01

0.02

0.05

0.1

0.2

0.5

20 20k100 200 1k 2k 10k

Total Hormonic Distortion Plus Noise − %

f − Frequency − Hz

PO= 500 mW

PO= 1 W

PO= 5 W

VCC = 18 V

RL= 8 

Gain = 18 dB

fS= 48 kHz

24−bit, I2S format

0.01

0.02

0.05

0.1

0.2

0.5

20 20k100 200 1k 2k 10k

Total Hormonic Distortion Plus Noise − %

f − Frequency − Hz

PO= 500 mW

PO= 1 W

PO= 5 W

VCC = 18 V

RL= 8 

Gain = 23.6 dB

fS= 48 kHz

24−bit, I2S format

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

TYPICAL CHARACTERISTICS (continued)

Total Harmonic Distortion Plus Noise Total Harmonic Distortion Plus Noisevs vsFrequency Frequency

Figure 5. Figure 6.

Total Harmonic Distortion Plus Noise Total Harmonic Distortion Plus Noisevs vsFrequency Frequency

Figure 7. Figure 8.

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0.01

0.02

0.05

0.1

0.2

0.5

20 20k50 100 200 500 1k 2k 5k 10k

THD + N - Total Harmonic Distortion + Noise - %

f - Frequency - Hz

V = 12 V

R = 4

LÙ

Gain = 18 dB

f = 48 kHz

24-Bit, I S format

P = 2 W

P = 200 mW

P = 7.5 W

−70

−60

−50

−40

−30

−20

−10

20 100 1 k 10 k 20 k

f − Frequency − Hz

PSRR − Power Supply Rejecyion Ratio − dB

VCC = 12 V

V(RIPPLE) = 200 mVPP

RL= 8 

Gain = 18 dB

0 2 4 6 8 10 12 14

PO− Output Power − W

4 Ω

8 Ω

Efficiency − %

VCC = 12 V

3.6 4 5 6 7 8 9 10

VCC = 18 V

VCC = 15 V

VCC = 12 V

TA= 25°C,

10% THD Maximum

ZL− Load Impedance − Ω

− Output Power − WPO

TPA3200D1

SLOS442A – MAY 2005 – REVISED JULY 2005

TYPICAL CHARACTERISTICS (continued)

Total Harmonic Distortion Power Supply Voltage Rejection Ratiovs vsFrequency Frequency

Figure 9. Figure 10.

Efficiency Output Powervs vsOutput Power Load Impedance

Figure 11. Figure 12.

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