AK4636 Datasheet, PDF (9/105 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP

[AK4636]
ANALOG CHRACTERISTICS
(Ta=25°C; AVDD=DVDD=SVDD = 3.3V, VVDD = 3.3V, VSS1=VSS2=VSS3 = 0V; fs = 8kHz; LP bit = “1”
BICK = 64fs; Signal Frequency = 1kHz; 16bit Data; Measurement frequency = 20Hz ∼ 3.4kHz; EXT Slave Mode; unless
otherwise specified)
Parameter
min
typ
max
Units
MIC Amplifier: MIC, LIN pins ; MDIF bit = “0”; (Single-ended input)
Input Resistance
20
30
40
kΩ
Gain
(MGAIN3-0 bits = “0000”)
-
0
-
dB
(MGAIN3-0 bits = “0001”)
19
20
21
dB
(MGAIN3-0 bits = “0010”)
25
26
27
dB
(MGAIN3-0 bits = “0011”)
31
32
33
dB
(MGAIN3-0 bits = “0100”)
9
10
11
dB
(MGAIN3-0 bits = “0101”)
16
17
18
dB
(MGAIN3-0 bits = “0110”)
22
23
24
dB
(MGAIN3-0 bits = “0111”)
28
29
30
dB
(MGAIN3-0 bits = “1000”)
2
3
4
dB
(MGAIN3-0 bits = “1001”)
5
6
7
dB
MIC Amplifier: MICP, MICN pins ; MDIF bit = “1”; (Full-differential input)
Input Voltage
(MGAIN3-0 bits = “0001”)
0.128
0.150
0.173
Vpp
(Note 7)
(MGAIN3-0 bits = “0010”)
0.064
0.075
0.086
Vpp
(MGAIN3-0 bits = “0011”)
0.032
0.038
0.044
Vpp
(MGAIN3-0 bits = “0100”)
0.403
0.474
0.545
Vpp
(MGAIN3-0 bits = “0101”)
0.180
0.212
0.244
Vpp
(MGAIN3-0 bits = “0110”)
0.090
0.106
0.122
Vpp
(MGAIN3-0 bits = “0111”)
0.045
0.053
0.061
Vpp
(MGAIN3-0 bits = “1001”)
0.639
0.752
0.864
Vpp
MIC Power Supply: MPI pin
Output Voltage
2.1
2.3
2.5
V
Load Resistance
2
-
-
kΩ
Load Capacitance
-
-
30
pF
ADC Analog Input Characteristics: MIC/LIN Æ ADC, MIC Gain = +20dB, IVOL = 0dB, ALC1bit = “0”
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=20dB)
0.128
0.150
0.173
Vpp
S/(N+D)
(−1dBFS) (Note 8)
73
83
-
dB
D-Range
(−60dBFS)
74
85
-
dB
S/N
74
85
-
dB
ADC Analog Input Characteristics: MIC/LIN Æ ADC, MIC Gain = 0dB, IVOL = 0dB, ALC1bit = “0”
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=0dB)
1.28
1.50
1.73
Vpp
S/(N+D)
(−1dBFS) (Note 8)
73
83
-
dB
D-Range
(−60dBFS)
78
89
-
dB
S/N
78
89
-
dB
DAC Characteristics:
Resolution
16
Bits
Mono Line Output Characteristics: AOUT pin, DAC → AOUT, R_L = 10kΩ, LOVL bit = “0”
Output Voltage
LOVL bit = “0”
1.28
1.50
1.73
Vpp
LOVL bit = “1”(Note 9)
-
2.12
-
Vpp
S/(N+D)
(0dBFS) (Note 8)
74
84
-
dB
D-Range
(−60dBFS)
80
90
-
dB
S/N
80
90
-
dB
Load Resistance
10
-
-
kΩ
Load Capacitance
-
-
30
pF
MS1012-E-01
-9-
2010/08