Datasheet

SSM2603 Data Sheet
Rev. C | Page 4 of 32
Parameter Min Typ Max Unit Conditions
HEADPHONE OUTPUT
Full-Scale Output Voltage 1 × AVDD/3.3 V rms
Maximum Output Power 30 mW R
L
= 32 Ω
60 mW R
L
= 16 Ω
Signal-to-Noise Ratio (A-Weighted)
85
96
dB
AVDD = 3.3 V
90 dB AVDD = 1.8 V
THD + N −65 dB P
OUT
= 10 mW
−60 dB P
OUT
= 20 mW
Power Supply Rejection Ratio 50 dB
Mute Attenuation 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
THD + N −80 dB AVDD = 3.3 V
−80 dB AVDD = 1.8 V
Power Supply Rejection 50 dB
MICROPHONE INPUT TO HEADPHONE OUTPUT
Full-Scale Output Voltage 1 × AVDD/3.3 V rms
Signal-to-Noise Ratio (A-Weighted) 94 dB AVDD = 3.3 V
88 dB AVDD = 1.8 V
Power Supply Rejection Ratio 50 dB
Programmable Attenuation 6 15 dB
Gain Step 3 dB
Mute Attenuation 80 dB
1
The line output is tested by sending a −1 dBFS input from the DAC to the line output.
DIGITAL FILTER CHARACTERISTICS
Table 2.
Parameter Min Typ Max Unit Conditions
ADC FILTER
Pass Band 0 0.445 f
S
Hz ±0.04 dB
0.5 f
S
Hz −6 dB
Pass-Band Ripple ±0.04 dB
Stop Band 0.555 f
S
Hz
Stop-Band Attenuation −61 dB f > 0.567 f
S
High-Pass Filter Corner Frequency 3.7 Hz −3 dB
10.4 Hz −0.5 dB
21.6 Hz −0.1 dB
DAC FILTER
Pass Band 0 0.445 f
S
Hz ±0.04 dB
0.5 f
S
Hz −6 dB
Pass-Band Ripple
±0.04
dB
Stop Band 0.555 f
S
Hz
Stop-Band Attenuation −61 dB f > 0.565 f
S
MASTER CLOCK TOLERANCE
1
Frequency Range 8.0 18.5 MHz
Jitter Tolerance 50 ps
1
CLKDIV2 bit (Register R8, Bit D6) is set to 0.