TAS2564系列介绍资料

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TAS2564

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具有 I/V 感应扬声器保护和集成 13V H 类升压的 7W 数字输入智能放大器

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The TAS2564 is a digital input, Class-D audio amplifier with a 256 level, 13 V Class-H boost. The robust 13 V Class-H boost provides the power needed for peak output while the algorithmically-controlled 256 level boost reduces the average power consumption. The boost is easily configured with PurePath Console GUI.

The Class-D amplifier is capable of delivering 7 W of peak power into an 8 Ω. TAS2564 is 83.5% efficient at 1 W output level. Integrated speaker voltage and current sense provides real time monitoring to keep speakers in the safe operation area.

Battery tracking peak voltage limiter with brown-out prevention optimizes amplifier headroom over the entire battery discharge. Up to four devices can share a common bus via I2S/TDM + I 2C interfaces.

Key Features
- 256 Level, 13-V Class-H Boost
- Speaker Current and Voltage Sense
- Inter Chip Alignment (ICLA) of gain across devices.
Output Power
- 7-W 0.1% THD+N (8 Ω at 3.8 V)
Power Consumption (1% THD+N, 4.2 V into 8 Ω)
- 83.5% efficiency at 1 W
- <1uA HW shutdown VBAT Current
Power Supplies
- VBAT: 2.7 V to 5.5 V
- VDD: 1.65 V to 1.95 V
- Digital (1.5 V) is internally generated from VDD.
- IO and Analog supplies are internally shorted to VDD.
Protections
- Battery: Advanced Brown Out
- Clipping: VBAT Tracking Peak Voltage Limiter
- Transducer: DC Detection and Prevention
- Device: Thermal and Over Current Protection
Interfaces and Control
- I2S/TDM: 8 Channels of 32 bit each up to 96 KSPS
- I2C: 4 selectable addresses
- 16 KSPS to 192 KSPS Sample Rates
- MCLK Free operation
Performance
- Speaker/Receiver Mode with Dynamic Noise Control of Idle Channel Noise (ICN)
- Receiver Mode: 10 µVrms ICN
- Speaker Mode: 15 µVrms ICN
- Spread Spectrum Low EMI Mode
- 110 dB SNR at 1% THD+N(8Ω)

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)	6.4
Output power (W)	7
SNR (dB)	110
THD + N at 1 kHz (%)	0.01
Iq (typ) (mA)	11.6
Control interface	I2C
Closed/open loop	Closed
Analog supply (min) (V)	2.7
Analog supply voltage (max) (V)	5.5
PSRR (dB)	108
Operating temperature range (°C)	-40 to 85

DSBGA (YBG)

5.76 mm² 2.4 x 2.4

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TAS2564

具有 I/V 感应扬声器保护和集成 13V H 类升压的 7W 数字输入智能放大器

4000-306-326