SSM2603CPZ-REEL

Codecs Overview

The SSM2603 is a low-power stereo audio codec featuring 24-bit ADCs and DACs. It operates with analog supply voltages from 1.8 V to 3.6 V, digital core supplies from 1.5 V to 3.6 V, and digital I/O from 1.8 V to 3.6 V. The device supports sampling rates up to 96 kHz and includes a highly efficient headphone amplifier capable of delivering 30 mW into 32 Ω. Key performance metrics include a DAC SNR of 100 dB and an ADC SNR of 90 dB at 3.3 V. Power consumption is 7 mW for stereo playback at 1.8 V/1.5 V supplies. It utilizes an I2C control interface and is housed in a 28-lead LFCSP package.

Codecs Feature Summary

• Integrated stereo line inputs and monaural microphone input with programmable gain amplifiers
• Built-in automatic level control (ALC) and noise gate functions to manage signal dynamics
• Supports master or slave operation with flexible digital audio interface timing
• Hardware mute pin for immediate DAC output silencing

Codecs Applications

• Mobile phones
• MP3 players
• Portable gaming devices
• Educational toys

Codecs Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure compatibility with required packaging formats such as reel or cut tape. Confirm that the component meets all relevant environmental standards and regulatory requirements for the intended deployment region before finalizing procurement decisions.

Codecs Selection Notes

Select this component for portable applications requiring high-quality stereo audio conversion with minimal power consumption. Ensure the system design accommodates the separate analog, digital core, and I/O supply voltage ranges. Verify that the available clock frequencies align with the desired audio sampling rates and interface mode requirements.

Codecs Part Context

This part belongs to the Analog Devices SSM2603 series of audio codecs. It is designed specifically for battery-powered portable electronics where size and power efficiency are critical constraints. The device integrates both recording and playback functionalities within a single compact package.

Codecs Replacement Considerations

Consult official Analog Devices documentation for confirmed substitute part numbers. Do not assume functional equivalence with other audio codecs without verifying pinout compatibility, electrical specifications, and register map alignment.

Codecs FAQ

Can the SSM2603 operate with an internal crystal oscillator?

Yes, by connecting a crystal between the MCLK/XTI and XTO pins, the internal oscillator circuit can generate the central reference clock.

What is the maximum full-scale input level for the ADC?

The maximum ADC full-scale input level is 1.0 V rms when AVDD is 3.3 V. Exceeding this level may cause data overloading and audible distortion.

How does the Automatic Level Control (ALC) function work?

The ALC continuously adjusts the PGA gain to keep the signal level at the ADC input constant, suppressing clipping and improving dynamic range during sudden loud input signals.