PCM6340-Q1
PCM6340-Q1 is Audio ADC manufactured by Texas Instruments.
- Part of the PCM6240-Q1 comparator family.
- Part of the PCM6240-Q1 comparator family.
Features
- 1 AEC-Q100 qualified for automotive applications
- Temperature grade 1:
- 40°C ≤ TA ≤ +125°C
- ADC performance:
- Line differential input dynamic range: 110 d B
- Microphone differential input dynamic range: 110 d B
- THD+N:
- 95 d B
- Channel summing mode supports high SNR
- ADC input voltage:
- Differential, 10-VRMS full-scale inputs
- Single-ended, 5-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 (5 V to 9 V):
- With integrated efficient boost converter, or
- With external high voltage HVDD supply
- Programmable microphone input fault diagnostics:
- Open inputs or shorted inputs
- Short to ground, MICBIAS or VBAT
- Microphone bias over current protection
- Low-latency signal processing filter selection
- Programmable HPF and biquad digital filters
- I2C or SPI controls
- 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, 3.3-V operation
- I/O supply operation: 3.3 V or 1.8 V
- Power consumption:
- < 20 m W/channel at 48-k Hz
2 Applications
- Automotive active noise...
