AD1888JCPZ

Overview

The AD1888JCPZ is an AC '97 2.3 compatible SoundMAX codec featuring six DAC channels for 5.1 surround sound and integrated stereo headphone amplifiers. It supports double-rate audio at 96 kHz with a 90 dB dynamic range and 20-bit PCM DAC resolution. The device includes S/PDIF output, selectable MIC inputs with preamps, and jack sense logic for auto topology switching. It operates on a 5.0 V analog supply (AVDD) and a 3.3 V digital supply (DVDD), consuming 563 mW in fully active mode. Available in 48-lead LQFP and LFCSP packages.

Feature Summary

• AC '97 2.3 compatibility with integrated PLL for crystal-free system clocking
• Six-channel DAC architecture supporting 5.1 surround sound configurations
• Integrated stereo headphone amplifiers with selectable front and rear microphone inputs
• Jack sense logic enabling automatic topology switching and software-controlled VREF_OUT

Applications

• Desktop and notebook PC audio subsystems requiring 5.1 surround sound
• Telephony systems utilizing the mono output for speakerphone functionality
• Multimedia platforms integrating S/PDIF digital audio output

Procurement Notes

Verify the specific package variant required, as the AD1888 is available in both 48-lead LQFP and 48-lead LFCSP formats. Confirm that the design accommodates the specified 5.0 V analog and 3.3 V digital supply rails. Ensure ESD precautions are implemented during handling due to the sensitivity of the CMOS input/output structures.

Selection Notes

Select this component for applications demanding AC '97 2.3 compliance with high-fidelity analog performance. The integrated headphone amplifiers and jack sense features simplify board layout for portable devices. Verify that the host controller supports the required serial data interface timing and register configuration protocols defined in the AC '97 specification.

Part Context

The AD1888 belongs to Analog Devices' SoundMAX codec family, designed for high-definition audio processing. It complements other audio interface solutions by providing integrated analog-to-digital and digital-to-analog conversion within a single package. The device targets mainstream computing platforms where cost-effective, high-performance audio is required without external amplifiers.

Replacement Considerations

Check for pin-compatible alternatives within the AD188x series or newer AC '97 codecs from Analog Devices. Verify register compatibility if migrating between revisions or similar functionally equivalent parts from other manufacturers.