DA7217 Datasheet, PDF (17/171 Pages) Dialog Semiconductor – Ultra-Low Power Stereo Codec

DA7217
Ultra-Low Power Stereo Codec
Description
Crosstalk
Condition
20 Hz to 20 kHz
Min
Typ
Max Unit
88
dB
Table 8: Electrical Characteristics: Input Amplifier
Description
Condition
Full-scale input signal
0 dB gain
Programmable gain
Gain step size
Absolute gain accuracy
0 dB @ 1 kHz
Gain step error
20 Hz to 20 kHz
Amplitude ripple
20 Hz to 20 kHz
Power supply rejection ratio
20 Hz to 2 kHz
2 kHz to 20 kHz
Min
Typ
Max
1.6 * VDD
−4.5
18
1.5
-1.0
1.0
-0.1
0.1
-0.5
0.5
90
70
Unit
VPP
dB
dB
dB
dB
dB
dB
Table 9: Electrical Characteristics: ADC
Description
Condition
Min
Typ
Max Unit
Full-scale input signal
Signal to noise ratio
0 dBFS digital output level
1.6 * VDD
VPP
A-weighted
90
dB
Dynamic range
ADC DRE enabled,
A-weighted
105
dB
Total harmonic distortion plus noise
-1 dBFS ADC output level
-85
dB
Power supply rejection ratio
20 Hz to 2 kHz
70
dB
2 kHz to 20 kHz
50
Table 10: Electrical Characteristics: DAC
Description
Condition
Min
Typ
Max Unit
Full-scale output signal
Signal to noise ratio
0 dBFS digital input level
1.6 * VDD
VPP
A-weighted
100
dB
Dynamic range
DAC DRE enabled,
A-weighted
110
dB
Total harmonic distortion plus noise
-1 dBFS digital input level
-90
dB
Power supply rejection ratio
20 Hz to 2 kHz
70
dB
2 kHz to 20 kHz
50
Table 11: Electrical Characteristics: Headphone Amplifier
Description
Condition
Full-scale output signal
No load
DC output offset
−30 dB gain
Maximum output power per channel
(charge pump mode)
VDD = 1.8 V, THD < 0.005 %,
RLOAD = 32 Ω, 1 kHz
Min
Typ
Max Unit
1.6 * VDD
VPP
250 µV
30
Datasheet
CFR0011-120-00
Revision 2.5
17 of 171
01 Sep 2016
© 2016 Dialog Semiconductor