TLV320AIC3268 Texas instruments

TLV320AIC3268

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TLV320AIC3268

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Описание

The TLV320AIC3268 (AIC3268) provides users with an integrated method to implement an audio system with multiple digital and analog audio streams as sources, and multiple output devices such as high-powered audio amplifiers. The integrated miniDSP allows users to differentiate their products by enabling customization of signal processing on the audio streams. The low power consumption of this device is ideal for systems that are battery operated or that operate in a constrained power consumption environment. The AIC3268 is an integrated, low-power, low-voltage stereo audio codec and also features four digital microphone inputs, plus programmable outputs, predefined and parameterizable signal processing blocks and an integrated PLL. Extensive register-based control of power, input and output channel configuration, gains, effects, terminal-multiplexing and clocks are included, allowing the device to be precisely targeted to its application. The AIC3268 supports a range of applications from mono 8kHz voice to stereo 192kHz music, making it ideal for wide variety of low power battery-operated and consumer audio applications.

105dB SNR for Stereo Audio DAC to Differential
Lineout
95dB SNR for Stereo Line Input to Audio ADC
8-192kHz Playback and Record
24 mW output power from DirectPath^TM
Headphone Driver
121 mW output power from Differential Receiver
Output Driver
Class-D Speaker Driver with
- 1.45 W (8Ω, 5V, 10% THDN)
- 1.15 W (8Ω, 5V, 1% THDN)
Differential or Single-Ended Stereo Line
Outputs
Eight Single-Ended or 4 Fully-Differential Analog
Inputs
Analog Microphone Inputs, and Up to 4 Simultaneous
Digital Microphone Channels
Extensive Signal Processing Options
Fully-programmable Enhanced miniDSP
Three Independent Digital Audio Serial Interfaces
with Separate I/O Power Voltages
- TDM and mono PCM support on all Audio Serial
  Interfaces (ASI)
- 8-channel Input and Output on ASI 1
Programmable PLL, plus Low-Frequency Clocking
Programmable 12-Bit SAR ADC
SPI and I²C Control Interfaces

Number of ADC channels	2
Number of DAC channels	2
Digital audio interface	DSP, I2S, L&R, PCM, TDM
Analog inputs	8
Analog outputs	7
Sampling rate (max) (kHz)	192
Rating	Catalog
Features	MiniDSP, Mono Class-D amplifier, Stereo headphone amplifier
ADC SNR (typ) (dB)	95
DAC SNR (typ) (dB)	105
Operating temperature range (°C)	-40 to 85