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AK4695 Datasheet, PDF (12/107 Pages) Asahi Kasei Microsystems – 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP
[AK4695]
Parameter
min
typ
max
Unit
Speaker-Amp Characteristics: DACB → SPP/SPN pins, ALC=DRC=OFF, IVOL=DVLB= 0dB, SPKG=+14.6dB,
RL=6, BTL
Output Voltage
SPKG1-0 bits = “00”, 3dBFS (Po=150mW)
-
2.68
-
Vpp
SPKG1-0 bits = “01”, 2.7dBFS (Po=250mW)
-
3.46
-
Vpp
SPKG1-0 bits = “10”, 2dBFS (Po=400mW)
-
1.55
-
Vrms
SPKG1-0 bits = “11”, 12dBFS (Po=150mW)
2.13
2.68
3.23
Vpp
S/(N+D)
SPKG1-0 bits = “00” (Po=150mW)
-
70
-
dB
SPKG1-0 bits = “01” (Po=250mW)
-
70
-
dB
SPKG1-0 bits = “10” (Po=400mW)
-
20
-
dB
SPKG1-0 bits = “11” (Po=150mW)
50
70
-
dB
Output Noise Level (A-weighted)
-
-88
-78
dBV
LR Mix Error
-0.8
0
+0.8
dB
Output Offset Voltage
-30
0
+30
mV
PSRR (fin = 1kHz) (Note 28)
-
40
-
dB
Load Resistance
6
-
-

Load Capacitance
-
-
100
pF
Stereo Line Output B Characteristics: DACB → LOUTB/ROUTB pins, ALC=OFF, IVOL=DVLB=LOVL= 0dB,
RL=10k
Output Voltage (Note 18)
-
1.95
-
Vpp
S/(N+D)
65
85
-
dB
S/N (A-weighted)
85
95
-
dB
Interchannel Isolation
85
100
-
dB
Interchannel Gain Mismatch
-
0
0.5
dB
PSRR (fin = 1kHz) (Note 19)
-
50
-
dB
Load Resistance
10
-
-
k
Load Capacitance
-
-
30
pF
Beep Input: BEEPIN pin
Input Resistance
35
50
65
k
Maximum Input Voltage (Note 29)
BPG=+2dB
SPKG=+5.6dB
-
-
1.34
Vpp
Gain
Gain Setting
+2
-
+16
dB
Step Width
-
+2
-
dB
Output Offset Voltage (Note 30)
BPG=+16dB
SPKG=+14.6dB
-30
0
+30
mV
Note 28. PSRR is applied to AVDD or DVDD with 100mpVpp sine wave.
Note 29. The input voltage is proportional to AVDD. Vin = 0.48 x AVDD (Vpp)
Note 30. The offset voltage of SPP and SPN on the path that is from BEEPIN to SPK.
MS1463-E-01
- 12 -
2014/12