
ASAHI KASEI
[AK4536]
MS0174-E-00
2002/09
- 6 -
ANALOG CHRACTERISTICS
(Ta=25
°
C; AVDD, DVDD, SVDD=3.3V; AVSS=DVSS=SVSS=0V; fs=8kHz, BICK=64fs; Signal Frequency=1kHz;
16bit Data; Measurement frequency=20Hz
~
3.4kHz; EXT Slave Mode; unless otherwise specified)
Parameter
MIC Amplifier
Input Resistance
Gain (MGAIN bit = “0”)
(MGAIN bit = “1”)
MIC Power Supply:
MPI pin
Output Voltage (Note 4)
Output Current
Input PGA Characteristics:
Input Resistance (Note 5)
Step Size
Gain Control Range
ADC Analog Input Characteristics:
MIC Gain=20dB, IPGA=0dB, ALC1=OFF, MIC
à
IPGA
à
ADC
Resolution
Input Voltage (MIC Gain=20dB,Note 6)
S/(N+D) (
1dBFS) (Note 7)
D-Range (
60dBFS)
S/N
DAC Characteristics:
Resolution
Mono Line Output Characteristics:
R
L
=10k
,
AOUT pin (DAC
→
AOUT)
Output Voltage (Note 8)
S/(N+D) (0dBFS) (Note 7)
D-Range (-60dBFS)
S/N
Load Resistance
Load Capacitance (Note 15)
Speaker-Amp Characteristics:
R
L
=8
, BTL, MIN pin
→
SPP/SPN pin, ALC2=OFF
SPKG = “0”
Output Voltage
(Note 9)
SPKG = “1”
SPKG = “0”, 150mW Output
S/(N+D)
SPKG = “1”, 250mW Output
S/N (Note 10)
Load Resistance
Load Capacitance
BEEP Input:
BEEP pin
Maximum Input Voltage (Note 11)
Feedback Resistance
Mono Input:
MIN pin
Maximum Input Voltage (Note 12)
Input Resistance (Note 13)
Mono Output:
MOUT pin (DAC
→
MOUT)
Output Voltage (Note 14)
Load Resistance
Load Capacitance (Note 15)
min
20
-
-
2.22
-
5
0.1
8
typ
30
0
20
2.47
-
10
0.5
max
40
-
-
2.72
1.25
15
0.9
+27.5
Units
k
dB
dB
V
mA
k
dB
dB
16
0.218
Bits
Vpp
dB
dB
dB
0.178
70
77
77
0.198
80
85
85
16
Bits
1.78
75
85
85
10
1.98
85
95
95
2.18
Vpp
dB
dB
dB
k
pF
2.47
3.20
50
20
80
8
3.09
4.00
60
50
90
3.71
4.80
30
Vpp
Vpp
dB
dB
dB
pF
1.98
26
Vpp
k
14
20
2.18
36
Vpp
k
12
24
1.78
10
1.98
2.18
30
Vpp
k
pF