Data Sheet SSM2604
Rev. A | Page 3 of 28
SPECIFICATIONS
T
A
= 25°C, AVDD = DVDD = 3.3 V, 1 kHz signal, f
S
= 48 kHz, PGA gain = 0 dB, 24-bit audio data, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Conditions
RECOMMENDED OPERATING CONDITIONS
Analog Voltage Supply (AVDD) 1.8 3.3 3.6 V
Digital Power Supply 1.5 3.3 3.6 V
Ground (AGND, DGND) 0 V
POWER CONSUMPTION
Power-Up
Stereo Record (1.5 V and 1.8 V) 7 mW
Stereo Record (3.3 V) 22 mW
Stereo Playback (1.5 V and 1.8 V) 7 mW
Stereo Playback (3.3 V) 22 mW
Power-Down 56 μW
LINE INPUT
Input Signal Level (0 dB)
Input Impedance 200 kΩ PGA gain = 0 dB
10 kΩ PGA gain = +33 dB
480 kΩ PGA gain = −34.5 dB
Input Capacitance 10 pF
Signal-to-Noise Ratio (A-Weighted)
PGA gain = 0 dB, AVDD = 3.3 V
84 dB PGA gain = 0 dB, AVDD = 1.8 V
Total Harmonic Distortion (THD) −80 dB −1 dBFS input, AVDD = 3.3 V
−75 dB −1 dBFS input, AVDD = 1.8 V
Channel Separation 80 dB
Programmable Gain −34.5 0 +33.5 dB
Gain Step 1.5 dB
Mute Attenuation −80 dB
LINE OUTPUT
−1 dBFS input DAC + line output
Full-Scale Output 1 × AVDD/3.3 V rms
Signal-to-Noise Ratio (A-Weighted) 85 100 dB AVDD = 3.3 V
94 dB AVDD = 1.8 V
THD + N −80 −75 dB AVDD = 3.3 V
Power Supply Rejection Ratio 50 dB
Channel Separation 80 dB
LINE INPUT TO LINE OUTPUT
Full-Scale Output Voltage 1 × AVDD/3.3 V rms
Signal-to-Noise Ratio (A-Weighted) 92 dB AVDD = 3.3 V
86 dB AVDD = 1.8 V
Total Harmonic Distortion −80 dB AVDD = 3.3 V
−80 dB AVDD = 1.8 V
