
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
30
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