ADAU1777 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADAU1777
Manufacturer

ADI
ChipWorker Part#

CW983370046
Description

Four-ADC, Two-DAC, Low Power Codec with Audio Processor
Documentation

Datasheet

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ADAU1777 Specifications

Attribute	Attribute Value

Part Number	ADAU1777
Manufacturer	ADI
ChipWorker Part#	CW983370046
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The ADAU1777 is a codec with four inputs and two outputs that incorporates a digital processing engine to perform filtering, level control, signal level monitoring, and mixing. The path from the analog input to the DSP core to the analog output is optimized for low latency and is ideal for noise canceling headsets. With the addition of just a few passive components, a crystal, and an EEPROM for booting, the ADAU1777 provides a complete headset solution.
Note that throughout this data sheet, multifunction pins, such as SCL/SCLK, are referred to either by the entire pin name or by a single function of the pin, for example, SCLK, when only that function is relevant.
**Applications**
Noise canceling handsets, headsets, and headphones
Bluetooth® active noise cancelling (ANC) handsets, headsets, and headphones
Personal navigation devices
Digital still and video cameras
### Features and Benefits
Programmable audio processing engine
Fast (up to 768 kHz) and slow processing paths
Biquad filters, limiters, volume controls, and mixing
Low latency, 24-bit ADCs and DACs
102 dB SNR (through PGA and ADC with A weighted filter)
108 dB combined SNR (through DAC and headphone with A weighted filter)
Serial port sampling rate from 8 kHz to 192 kHz
5 μs analog-to-analog latency
4 single-ended analog inputs, configurable as microphone or line inputs
Dual stereo digital microphone inputs
Stereo analog audio output, single-ended or differential,
configurable as either line output or headphone driver
PLL supporting any input clock rate from 8 MHz to 27 MHz
Full duplex, asynchronous sample rate converters (ASRCs)
Power supplies
Analog and digital input/output of 1.8 V to 3.3 V
Digital signal processing (DSP) core of 1.1 V to 1.8 V
Low power
I2C and SPI control interfaces, self boot from I2C EEPROM
7 multipurpose (MPx) pins for digital controls and outputs

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