AK4634EN Datasheet, PDF (9/94 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK -AMP

[AK4634]
ANALOG CHRACTERISTICS
(Ta=25C; AVDD=DVDD=SVDD=3.3V; VSS1-3 =0V; fs=8kHz, 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
k
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”)
0.168
0.198
0.228
Vpp
(Note 6)
(MGAIN3-0 bits = “0010”)
0.084
0.099
0.114
Vpp
(MGAIN3-0 bits = “0011”)
0.042
0.050
0.057
Vpp
(MGAIN3-0 bits = “0100”)
0.532
0.626
0.720
Vpp
(MGAIN3-0 bits = “0101”)
0.238
0.280
0.322
Vpp
(MGAIN3-0 bits = “0110”)
0.119
0.140
0.161
Vpp
(MGAIN3-0 bits = “0111”)
0.060
0.070
0.080
Vpp
(MGAIN3-0 bits = “1001”)
0.843
0.992
1.14
Vpp
MIC Power Supply: MPI pin
Output Voltage (Note 7)
2.38
2.64
2.90
V
Load Resistance
2
-
-
k
Load Capacitance
-
-
30
pF
ADC Analog Input Characteristics: MIC/LIN  ADC, MIC Gain = 20dB, IVOL = 0dB, ALC1bit = “0”
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=20dB, Note 8)
0.168
0.198
0.228
Vpp
S/(N+D)
(1dBFS) (Note 9)
74
84
-
dB
D-Range
(60dBFS)
76
86
-
dB
S/N
76
86
-
dB
ADC Analog Input Characteristics: MIC/LIN  ADC, MIC Gain = 0dB, IVOL = 0dB, ALC1bit = “0”
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=0dB, Note 8)
-
1.98
-
Vpp
S/(N+D)
(1dBFS) (Note 9)
-
84
-
dB
D-Range
(60dBFS)
-
89
-
dB
S/N
-
89
-
dB
DAC Characteristics:
Resolution
16
Bits
Mono Line Output Characteristics: AOUT pin, DAC  AOUT, R_L = 10k
Output Voltage (Note 10) LOVL bit = “0”
1.78
1.98
2.18
Vpp
LOVL bit = “1”
2.25
2.50
2.75
Vpp
S/(N+D)
(0dBFS) (Note 9)
75
85
-
dB
D-Range
(60dBFS)
83
93
-
dB
S/N
83
93
-
dB
Load Resistance
10
-
-
k
Load Capacitance
-
-
30
pF
MS0686-E-03
-9-
2014/10