ak4631 ETC-unknow, ak4631 Datasheet - Page 9

• Manufacturer Part Number: ak4631
• Description: 16-bit Mono Codec With Mic/spk-amp
• Manufacturer: ETC-unknow

ASAHI KASEI
(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
MIC Power Supply: MPI pin
Output Voltage
Load Resistance
Load Capacitance
Input PGA Characteristics:
Input Resistance (Note 8)
Step Size
Gain Control Range
ADC Analog Input Characteristics: MIC
Resolution
Input Voltage (MIC Gain=20dB, Note 9)
S/(N+D)
D-Range
S/N
DAC Characteristics:
Resolution
Mono Line Output Characteristics: AOUT pin, DAC → AOUT, R
Output Voltage (Note 11)
S/(N+D)
D-Range
S/N
Load Resistance
Load Capacitance
Speaker-Amp Characteristics: MIN
Output Voltage
(Note 12)
S/(N+D)
S/N (Note 14)
Load Resistance
Load Capacitance
Speaker-Amp Characteristics: MIN
Output Voltage
(Note 12)
S/(N+D) (Note 12)
(Note 13)
S/N (Note 13) (Note 14)
Load Impedance (Note 15)
Load Capacitance
MS0317-J-01
(−1dBFS) (Note 10)
SPKG1-0 bits =“00” (150mW出力時)
SPKG1-0 bits =“01” (240mW出力時)
SPKG1-0 bits =“01” (250mW出力時)
(−60dBFS)
(-60dBFS)
(0dBFS) (Note 10)
SPKG1-0 bits = “00” (-0.5dBFS)
SPKG1-0 bits = “01” (-0.5dBFS)
(MGAIN1-0 bits = “10”)
(MGAIN1-0 bits = “11”)
(Note 7)
(MGAIN1-0 bits = “00”)
(MGAIN1-0 bits = “01”)
SPKG1-0 bits = “10” (0dBFS)
SPKG1-0 bits = “11” (0dBFS)
SPKG1-0 bits = “10” (0dBFS)
SPKG1-0 bits = “11” (0dBFS)
SPP/SPN pins, ALC2=OFF, R
SPP/SPN pins, ALC2=OFF, C
IPGA
アナログ特性
ADC, MIC Gain=20dB, IPGA=0dB, ALC1=OFF
- 9 -
0.168
2.22
0.05
1.78
2.47
3.10
6.80
min
20
−8
68
75
75
73
83
83
10
40
20
80
20
80
50
2
5
8
-
-
-
-
-
-
-
-
-
-
-
L
=10kΩ
L
L
=8Ω, BTL, SVDD=3.3V
=3µF, R
0.198
2.47
1.98
3.09
3.92
6.72
8.50
typ
serial
0.5
30
20
26
32
10
80
85
85
85
93
93
60
50
20
90
60
50
90
0
-
-
-
-
-
-
-
-
-
=10Ω x 2, BTL, SVDD=5.0V
+27.5
0.228
10.20
max
2.72
2.18
3.71
4.74
0.9
40
30
15
16
16
30
30
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4631]
2004/11
Units
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
Bits
Bits
kΩ
kΩ
kΩ
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
µF
pF
pF
pF
V
Ω
Ω