AD SSM2602 Low-Power Audio Codec Data Handbook
Summary
This professional low-power audio codec is ideal for designing high-fidelity portable digital audio devices such as MP3 players, mobile phones, and educational toys. Featuring 24-bit stereo capability, integrated programmable gain amplifiers (PGA), and specialized drivers, it ensures clean, broadcast-quality sound output and input capture across various sampling rates. The manual provides comprehensive technical documentation, including detailed register maps, power management controls (like noise gating), timing specifications, and application guidelines crucial for embedded system developers integrating this high-performance audio solution.
Page 1 Text Content
SSM2602
SSM2602是一款低功耗、高质量立体声音频编解码器，配有
DAC SNR：100 d B(A加权)；THD：−80 d B(48 k Hz、3.3 V)
一组立体声可编程增益放大器(PGA)线路输入和一个单声道
ADC SNR：90 d B（A加权）；THD：−80 d B(48 k Hz、3.3 V)
高效率耳机放大器 立体声线路输入和单声道麦克风输入 数转换器(ADC)通道和两个24位数模转换器(DAC)通道。 低功耗
SSM2602可以作为主机或从机工作。它支持各种主时钟频
7 m W立体声回放(1.8 V/1.5 V电源) 14 m W录音和回放(1.8 V/1.5 V电源) 率，包括：用于USB设备的12 MHz或24 MHz；标准256 f S或 低电源电压
384 f S速率，例如12.288 MHz和24.576 MHz；以及许多常用
音频采样速率，例如96 k Hz、88.2 k Hz、48 k Hz、44.1 k Hz、
数字I/O：1.8 V至3.6 V 32 k Hz、24 k Hz、22.05 k Hz、16 k Hz、12 k Hz、11.025 k Hz和
正常模式下过采样速率：256/384；USB模式下过采样速率： 8 k Hz。 250/272
音频采样速率：8 k Hz、11.025 k Hz、12 k Hz、16 k Hz、 SSM2602的模拟电路可以采用低至1.8 V的电源供电，数字
22.05 k Hz、24 k Hz、32 k Hz、44.1 k Hz、48 k Hz、88.2 电路可以采用低至1.5 V的电源供电。所有电源的最大电源 k Hz和96 k Hz
28引脚5 mm × 5 mm LFCSP (QFN)封装
SSM2602可以用作耳机驱动器或扬声器驱动器，并提供软件
MP3播放器
SSM2602的额定温度范围为−40°C至+85°C工业温度范围，采
用28引脚、5 mm × 5 mm引脚架构芯片级封装(LFCSP)。
AVDD VMID AGND DBVDD DGND DCVDD HPVDD PGND
MICBIAS SSM2602
BYPASS
–34.5d B TO +33d B, 6d B TO 15d B/MUTE 3d B STEP –73d B TO +6d B,
SIDETONE
1.5d B STEP 1d B STEP
8- RHPOUT
RLINEIN
MUX ADC DAC
DIGITAL
MICIN
PROCESSOR
0d B/20d B/ LOUT
40d B BOOST
MUX ADC DAC
LLINEIN
LHPOUT
–34.5d B TO +33d B,
6d B TO 15d B/MUTE 3d B STEP –73d B TO +6d B,
1.5d B STEP
SIDETONE 1d B STEP
BYPASS
CLK DIGITAL AUDIO INTERFACE CONTROL INTERFACE
MCLK/ XTO CLKOUT PBDAT RECDAT BCLK PBLRC RECLRC MODE CSB SDIN SCLK XTI
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Page Summary Contents For AD SSM2602 Low-Power Audio Codec Data Handbook
Manual Details
| Brand | Audio |
|---|---|
| Pages | 32 |
| File Size | 662.37 KB |
| Published | May 15, 2026 |
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Frequently Asked Questions
What are the SNR and THD specifications for the stereo audio path?
The DAC exhibits an SNR of 100 dB, measured at 48 kHz, while the ADC has an SNR of 90 dB under similar conditions.
What is the full temperature operating range for this codec chip?
The SSM2602's specified operational temperature range is from −40°C to +85°C.
How can I adjust the input volume levels on the device?
It uses programmable gain amplifier (PGA) sections for line inputs and microphone input, allowing adjustment of audio signal strength.
What is the minimum required voltage for analog circuit operation?
Analog circuits can operate using a low power supply as little as 1.5 V or 1.8 V.