TAS2562 Texas instruments

TAS2562

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TAS2562

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Описание

The TAS2562 is a digital input Class-D audio amplifier optimized for efficiently driving high peak power into small loudspeaker applications. The Class-D amplifier is capable of delivering 6.1 W of peak power into a 4 Ω load at a battery voltage of 3.6 V.Integrated speaker voltage and current sense provides for real time monitoring of the loudspeakers. This permits pushing peak SPL while keeping speakers in the safe operation area. A battery tracking peak voltage limiter with brown out prevention optimizes amplifier headroom over the entire charge cycle preventing system shutdowns.Up to four devices can share a common bus via I2S/TDM + I2C interfaces. The TAS2562 device is available in a 36-ball, 0.4 mm pitch CSP for a compact PCB footprint.

High Performance Class-D Amplifier
- 6.1 W 1% THD+N (4 Ω at 3.6 V)
- 5 W 1% THD+N (8 Ω at 3.6 V)
15 µVrms A-Weighted Idle Channel Noise
112.5dB SNR at 1% THD+N (8 Ω)
100dB PSRR with 200 mV_PP Ripple at 20 - 20 kHz
83.5 % Efficiency at 1 W (8 Ω, VBAT = 4.2 V)
< 1 µA HW Shutdown VBAT Current
Speaker Voltage and Current Sense
VBAT Tracking Peak Voltage Limiter with Brown Out Prevention
8 kHz to 192 kHz Sample Rates
Flexible User Interfaces
- I²S/TDM: 8 Channels (32-bit / 96 kHz)
- I²C: 4 Selectable Addresses
MCLK Free Operation
Low Pop and Click
Advanced Brown-Out Prevention
Power Supplies
- VBAT: 2.7 V to 5.5 V
- VDD: 1.65 V to 1.95 V
Spread-Spectrum Low EMI Mode
Thermal and Over Current Protection
36-Ball, 0.4 mm Pitch, DSBGA Package

Audio input type	Digital Input
Architecture	Class-D Boosted, Smart Amp
Speaker channels (max)	Mono
Rating	Catalog
Power stage supply (max) (V)	16
Power stage supply (min) (V)	2.7
Load (min) (Ω)	3.2
Output power (W)	6
SNR (dB)	112.5
THD + N at 1 kHz (%)	0.004
Iq (typ) (mA)	3.2
Control interface	I2C
Closed/open loop	Closed
Analog supply (min) (V)	2.7
Analog supply (max) (V)	5.5
PSRR (dB)	100
Operating temperature range (°C)	-40 to 85