TAS5720A-Q1 Texas instruments

TAS5720A-Q1

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TAS5720A-Q1

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Описание

The TAS5720A-Q1 is a mono I2S input Class-D audio amplifier which is ideal for use in automotive emergency call (eCall), telematics, acoustic vehicle alerting system (AVAS) and EV/HEV sound generation applications. The device provides up to 25 W instantaneous power into 4 Ω at 10% THD+N at 14.4 V. The TAS5720A-Q1 also includes hardware and software (I²C) control modes, an integrated digital clipper, selectable gain options, and a wide power supply operating range (4.5 V – 26.4 V). The device is offered in a thermally enhanced 32-Pin TSSOP package.

Qualified for automotive applications
- Temperature grade 1: –40°C to +125°C
Minimum supply voltage down to 4.5 V
Selectable hardware or software control
Audio performance (PVDD = 12 V, R_SPK = 8 Ω, SPK_GAIN[1:0] pins = 00)
- Idle channel noise = 69 µVrms (A-Wtd)
- THD+N = 0.02% (at 1 W, 1 kHz)
- SNR = 100 dB A-Wtd (Ref. to THD+N = 1%)
Audio I/O configuration:
- Mono I²S input
- 32, 44.1, 48, 88.2, 96 kHz Sample rates
General operational features:
- Integrated digital output clipper
- Programmable I²C address (1101100[^R/_W] or 1101101[^R/_W])
- Closed-loop amplifier architecture
Robustness features:
- Clock error, DC, and short-circuit protection
- Overtemperature and programmable overcurrent protection

Audio input type	Digital Input
Architecture	Class-D
Speaker channels (max)	Mono
Rating	Automotive
Power stage supply (max) (V)	26.4
Power stage supply (min) (V)	4.5
Load (min) (Ω)	2
Output power (W)	25
SNR (dB)	100
THD + N at 1 kHz (%)	0.02
Iq (typ) (mA)	33
Control interface	Hardware, Software
Closed/open loop	Closed
Analog supply (min) (V)	4.5
Analog supply (max) (V)	26.4
Sampling rate (max) (kHz)	96
PSRR (dB)	80
Operating temperature range (°C)	-40 to 105