Features and Benefits
- Stereo, 24-bit analog-to-digital and digital-to-analog converters
- DAC SNR: 98 dB (A-weighted), THD: −80 dB at 48 kHz, 3.3 V
- ADC SNR: 90 dB (A-weighted), THD: −80 dB at 48 kHz, 3.3 V
- Highly efficient headphone amplifier
- Low power:
7 mW stereo playback (1.8 V/1.8 V supplies)
14 mW record and playback (1.8 V/1.8 V supplies)
- Stereo line input and monaural microphone input
- Low supply voltages:
Analog: 1.8 V to 3.6 V
Digital core: 1.8 V to 3.6 V
Digital I/O: 1.8 V/3.6 V
- 256/384 oversampling rate in normal mode; 250/272 oversampling rate in USB mode
- Audio sampling rates: 8 kHz, 11.025 kHz, 12 kHz, 16 kHz, 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz
- 28-lead, 5 mm × 5 mm LFCSP package
The SSM2602 is a low power, high quality stereo audio codec for portable digital audio applications with one set of stereo programmable gain amplifier (PGA) line inputs and one monaural microphone input. It features two 24-bit analog-to-digital converter (ADC) channels and two 24-bit digital-to-analog (DAC) converter channels.
The SSM2602 can operate as a master or a slave. It supports various master clock frequencies, including 12 MHz or 24 MHz for USB devices; standard 256 fS or 384 fS based rates, such as 12.288 MHz and 24.576 MHz; and many common audio sampling rates, such as 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, 32 kHz, 24 kHz, 22.05 kHz, 16 kHz, 12 kHz, 11.025 kHz, and 8 kHz.
The SSM2602 can operate at power supplies as low as 1.8 V for the analog circuitry and as low as 1.5 V for the digital circuitry. The maximum voltage supply is 3.6 V for all supplies.
The SSM2602 software-programmable stereo output options provide the user with many application possibilities because the device can be used as a headphone driver or as a speaker driver. Its volume control functions provide a large range of gain control of the audio signal.
The SSM2602 is specified over the industrial temperature range of −40°C to +85°C. It is available in a 28-lead, 5 mm × 5 mm lead frame chip scale package (LFCSP).
- Mobile phones
- MP3 players
- Portable gaming
- Portable electronics
- Educational toys
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