TLV320ADC3140
TLV320ADC3140 is Audio ADC manufactured by Texas Instruments.
Features
- 1 Multichannel high-performance ADC:
- 4-channel analog microphones or line-in,
- 8-channel digital PDM microphones, or
- bination of analog and digital microphones
- ADC line and microphone differential input performance:
- Dynamic range (DR): 106 d B
- THD+N:
- 98 d B
- ADC channel summing mode, DR performance:
- 109-d B, 2-channel summing
- 112-d B, 4-channel summing
- ADC input voltage:
- Differential, 2-VRMS full-scale inputs
- Single-ended, 1-VRMS full-scale inputs
- ADC sample rate (f S) = 8 k Hz to 768 k Hz
- Programmable channel settings:
- Channel gain: 0 d B to 42 d B, 1-d B steps
- Digital volume control:
- 100 d B to 27 d B
- Gain calibration with 0.1-d B resolution
- Phase calibration with 163-ns resolution
- Programmable microphone bias or supply voltage generation
- Low-latency signal processing filter selection
- Programmable HPF and biquad digital filters
- Automatic gain controller (AGC)
- I2C or SPI controls
- Integrated high-performance audio PLL
- Automatic clock divider setting configurations
- Audio serial data interface:
- Format: TDM, I2S, or left-justified (LJ)
- Word length: 16 bits, 20 bits, 24 bits, or 32 bits
- Master or slave interface
- Single-supply operation: 3.3 V or 1.8 V
- I/O-supply operation: 3.3 V or 1.8 V
- Power consumption for 1.8-V AVDD supply:
- 8.5 m W/channel at 16-k Hz sample rate
- 9.2 m W/channel at 48-k Hz sample rate
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