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AK4695 Datasheet, PDF (9/107 Pages) Asahi Kasei Microsystems – 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP
[AK4695]
ANALOG CHARACTERISTICS
(Ta=25C; AVDD=SVDD=TVDD=2.8V, DVDD=1.8V; VSS1=VSS2=VSS3=0V; fs=48kHz, BCKI=64fs;
Signal Frequency=1kHz; 24bit Data; Measurement Bandwidth=20Hz  20kHz; unless otherwise specified)
Parameter
min
typ
max
Unit
MIC Amplifier: MICIN0L/R, MICIN1L/R, MICIN2L/R, MICIN3L/R, AUXINL/R pins
Input Resistance
70
100
130
k
Gain
Gain Setting 1
+24
-
+30
dB
Step Width 1
-
3
-
dB
Gain Setting 2
+3
-
+21
dB
Step Width 2
-
1.5
-
dB
Gain Error
-0.5
0
+0.5
dB
MIC Power Supply: MPWRA, MPWRB pins
Output Voltage (Note 9)
2.3
2.4
2.5
V
Output Noise Level (A-weighted)
-
-120
-
dBV
Interchannel Isolation (MPWRA-MPWRB)
-
100
-
dB
PSRR (fin = 1kHz) (Note 10)
-
60
-
dB
Load Resistance MPWRA pin
250
-
-

MPWRB pin
500
-
-

Load Capacitance
-
-
30
pF
Note 9. The output voltage is proportional to AVDD. typ. (0.857 x AVDD) V
Note 10. PSRR is applied to AVDD with 100mpVpp sine wave. When MIC Power is supplied.
MS1463-E-01
-9-
2014/12