TLV320ADC3001 Texas instruments

TLV320ADC3001

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TLV320ADC3001

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Описание

The TLV320ADC3001 device is a low-power, stereo audio analog-to-digital converter (ADC) supporting sampling rates from 8 kHz to 96 kHz with an integrated programmable-gain amplifier providing up to 40-dB analog gain or AGC. A programmable miniDSP is provided for custom audio processing. Front-end input coarse attenuation of 0 dB, 6 dB, or off, is also provided. The inputs are programmable in a combination of single-ended or fully differential configurations. Extensive register-based power control is available via I2C, enabling mono or stereo recording. Low power consumption makes the TLV320ADC3001 ideal for battery-powered portable equipment. The AGC programs to a wide range of attack (7 ms1.4 s) and decay (50 ms22.4 s) times. A programmable noise gate function is included to avoid noise pumping. Low-latency IIR filters optimized for voice and telephony are available, as well as linear-phase FIR filters optimized for audio. Programmable IIR filters are also available and may be used for sound equalization, or to remove noise components. The audio serial bus can be programmed to support I2S, left-justified, right-justified, DSP, PCM, and TDM modes. The audio bus may be operated in either master or slave mode. A programmable integrated PLL is included for flexible clock generation and support for all standard audio rates from a wide range of available MCLKs, varying from 512 kHz to 50 MHz, including the most popular cases of 12-MHz, 13-MHz, 16-MHz, 19.2-MHz, and 19.68-MHz system clocks.

Stereo Audio ADC
- 92-dBA Signal-to-Noise Ratio
- Supports ADC Sample Rates From 8 kHz to
  96 kHz
Instruction-Programmable Embedded miniDSP
Flexible Digital Filtering With RAM Programmable
Coefficient, Instructions, and Built-In Standard
Modes
- Low-Latency IIR Filters for Voice
- Linear Phase FIR Filters for Audio
- Additional Programmable IIR Filters for EQ,
  Noise Cancellation, or Reduction
- Up to 128 Programmable ADC Digital Filter
  Coefficients
Three Audio Inputs With Configurable Automatic
Gain Control (AGC)
- Programmable in Single-Ended or Fully
  Differential Configurations
- Can Be Driven Hi-Z for Easy Interoperability
  With Other Audio ICs
Low Power Consumption and Extensive Modular
Power Control:
- 6-mW Mono Record 8-kHz
- 11-mW Stereo Record, 8-kHz
- 10-mW Mono Record, 48-kHz
- 17-mW Stereo Record, 48-kHz
Programmable Microphone Bias
Programmable PLL for Clock Generation
I²C Control Bus
Audio Serial Data Bus Supports I²S, Left/Right-
Justified, DSP, PCM, and TDM Modes
Power Supplies:
- Analog: 2.6 V–3.6 V.
- Digital: Core: 1.65 V–1.95 V,
  I/O: 1.1 V–3.6 V
2.24-mm × 2.16-mm NanoFree™ 16-Ball 16-YZH
Wafer Chip Scale Package (WCSP)
APPLICATIONS
- Wireless Handsets
- Portable Low-Power Audio Systems
- Noise Cancellation Systems
- Front-End Voice or Audio Processor for Digital
  Audio

All other trademarks are the property of their respective owners

Number of ADC channels	2
Analog inputs	3
Digital audio interface	DSP, I2S, L, PCM, R, TDM
Control interface	I2C
Sampling rate (max) (kHz)	96
ADC SNR (typ) (dB)	92
Rating	Catalog
Analog outputs	0
Operating temperature range (°C)	-40 to 85