ASAHI KASEI
[AK4560A]
Parameter
Analog Volume Characteristics (OPGA):
Input Resistance (OPGL and OPGR pins) (Note 23)
Step Size: +0dB
∼
-16dB
-16dB
∼
-38dB
-38dB
∼
-50dB
Headphone-Amp Characteristics:
R
L
= 220Ω (Note 24)
Output Voltage (FS-12dB = -17.5dBV Input) (Note 19)
S/(N+D) (-3.4dBV Output)
Output Noise Voltage (OPGA=MUTE, A-Weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance (Note 22)
Output Voltage
S/(N+D) (80mW Output)
S/N (A-Weighted)
Load Resistance
Load Capacitance (Note 22)
Shutter Input:
(SHT pin)
Maximum Input Voltage (Note 19)
Input Resistance
BEEP Input:
(BEEP pin)
Maximum Input Voltage (Note 19)
Feed-back Resistance
Monaural Input:
(MIN pin)
Maximum Input Voltage (Note 19)
Input Resistance (Note 25)
Monaural Output:
(MOUT pin) (Note 26)
min
44
0.1
0.1
0.1
-6.5
40
80
220
typ
110
1
2
4
-5.7
53
-80
100
max
205
Units
kΩ
dB
dB
dB
dBV
dB
dBV
dB
dB
Ω
pF
dBV
dB
dB
Ω
pF
dBV
kΩ
dBV
kΩ
dBV
kΩ
dBV
kΩ
pF
-4.9
-74
0.5
20
Speaker-Amp Characteristics:
R
L
= 8Ω, BTL, Input from MIN pin, ALC2=OFF
-4
40
81
8
-2
55
87
0
10
-5.5
55
-7.5
26
-5.5
33
29
42
14
20
14
23
Output Voltage (Note 19)
-6.3
-5.5
-4.7
Load Resistance
10
Load Capacitance (Note 22)
20
Note 23. Input impedance of OPGA changes from 63kΩ to 158kΩ by setting GAIN value, typically.
Note 24. Input OPGL/OPGR pins. These values are measured via the following path.
Analog volume (OPGA=0dB)
→
Monaural Output (MOUT pin)
Note 25. Input impedance of MIN pin changes from 21kΩ to 25kΩ by setting ALC2 GAIN value, typically.
Note 26. OPGL/OPGR pins are input to –5.5dBV. These values are measured via the following path.
Analog volume (OPGA=0dB)
→
Monaural Output (MOUT pin)
MS0028-E-00
-9-
2000/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
