Product Summary

The AD1836ACSZ is a high performance, single-chip codec that provides three stereo DACs and two stereo ADCs using ADI’s patented multibit ∑-△ architecture. An SPI port is included, allowing a microcontroller to adjust volume and many other parameters. The AD1836ACSZ operates from a 5 V supply, with provision for a separate output supply to interface with low voltage external circuitry. The AD1836ACSZ is available in a 52-lead MQFP (PQFP) package. The applications of the AD1836ACSZ include Home theater systems, Automotive audio systems, DVD recorders, Set-top boxes, Digital audio effects processors.

Parametrics

AD1836ACSZ absolute maximum ratings: (1)Analog (AVDD): -0.3 to +6 V; (2)Digital (DVDD): -0.3 to +6 V; (3)Input Current (Except Supply Pins): ±20 mA; (4)Analog Input Voltage (Signal Pins): -0.3 AVDD + 0.3 V; (5)Digital Input Voltage (Signal Pins): -0.3 DVDD + 0.3 V; (6)Ambient Temperature (Operating): -40 to +85℃.

Features

AD1836ACSZ features: (1)5 V multichannel audio system; (2)Accepts 16-/18-/20-/24-bit data; (3)Supports 24-bit and 96 kHz sample rate; (4)Multibit ∑-△ modulators with data directed scrambling; (5)Differential output for optimum performance; (6)ADCs: -92 dB THD + N, 105 dB SNR and dynamic range; (7)DACs: -95 dB THD + N, 108 dB SNR and dynamic range; (8)On-chip volume control with "auto-ramp" function; (9)Programmable gain amplifier for ADC input; (10)Hardware and software controllable clickless mute; (11)Digital de-emphasis processing; (12)Supports 256 × fS, 512 × fS, or 768 × fS master clock; (13)Power-down mode plus soft power-down mode; (14)Flexible serial data port with right justified, left justified, I2S compatible, and DSP serial port modes; (15)TDM interface mode supports 8 in/8 out using a single SHARCR SPORT; (16)52-lead MQFP (PQFP) plastic package.

Diagrams

AD1836ACSZ block diagram

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