Low Power Audio Codec
SSM2604 Data Sheet
FEATURES GENERAL DESCRIPTION Stereo, 24-bit analog-to-digital and digital-to-analog converters
DAC SNR: 100 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
Stereo line inputs
Low power
7 mW stereo playback (1.8 V/1.5 V supplies)
14 mW record and playback (1.8 V/1.5 V supplies)
Low supply voltages
Analog: 1.8 V to 3.6 V
Digital: 1.5 V to 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
20-lead, 4 mm × 4 mm LFCSP (QFN) package The SSM2604 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. It features two
24-bit analog-to-digital converter (ADC) channels and two
24-bit digital-to-analog (DAC) converter channels.
The SSM2604 can operate as a master or a slave. It supports …