AK4633EN Datasheet, PDF (10/83 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

[AK4633]
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
Min.
Typ.
Max.
Unit
MIC Amplifier : MDIF bit = “0”; (Single-ended input)
Input Resistance
20
30
40
k
Gain
(MGAIN2-0 bits = “000”)
-
0
-
dB
(MGAIN2-0 bits = “001”)
-
20
-
dB
(MGAIN2-0 bits = “010”)
-
26
-
dB
(MGAIN2-0 bits = “011”)
-
32
-
dB
(MGAIN2-0 bits = “100”)
-
6
-
dB
(MGAIN2-0 bits = “101”)
-
10
-
dB
(MGAIN2-0 bits = “110”)
-
14
-
dB
(MGAIN2-0 bits = “111”)
-
17
-
dB
MIC Amplifier : MDIF bit = “1”; (Full-differential input)
Input Voltage
(MGAIN2-0 bits = “001”)
-
-
0.228
Vpp
(Note 8)
(MGAIN2-0 bits = “010”)
-
-
0.114
Vpp
(MGAIN2-0 bits = “011”)
-
-
0.057
Vpp
(MGAIN2-0 bits = “100”)
-
-
1.14
Vpp
(MGAIN2-0 bits = “101”)
-
-
0.721
Vpp
(MGAIN2-0 bits = “110”)
-
-
0.455
Vpp
(MGAIN2-0 bits = “111”)
-
-
0.322
Vpp
MIC Power Supply: MPI pin
Output Voltage (Note 9)
2.38
2.64
2.90
V
Load Resistance
2
-
-
k
Load Capacitance
-
-
30
pF
ADC Analog Input Characteristics: MIC  ADC, MIC Gain=20dB, IVOL=0dB, ALC1bit = “0”
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=20dB,Note 10)
0.168
0.198
0.228
Vpp
S/(N+D)
(1dBFS) (Note 11)
72
84
-
dB
D-Range
(60dBFS)
75
85
-
dB
S/N
75
85
-
dB
DAC Characteristics:
Resolution
16
Bits
Mono Line Output Characteristics: AOUT pin, DAC  AOUT, R_L=10k
Output Voltage (Note 12)
1.78
1.98
2.18
Vpp
S/(N+D)
(0dBFS) (Note 11)
73
85
-
dB
D-Range
(-60dBFS)
83
93
-
dB
S/N
83
93
-
dB
Load Resistance
10
-
-
k
Load Capacitance
-
-
30
pF
Speaker-Amp Characteristics: DAC  SPP/SPN pins, ALC2 bit = “0”, R_L=8, BTL, SVDD=3.3V
Output Voltage
SPKG1-0 bits = “00” (-4.1dBFS)
SPKG1-0 bits = “01” (-4.1dBFS)
2.54
3.20
3.17
4.00
3.80
Vpp
4.80
Vpp
S/(N+D)
As 150mW output power
40
60
-
dB
As 400mW output power
-
20
-
dB
Output Noise SPKG1-0 bits = “00”
-
-87
-
dBV
Level
SPKG1-0 bits = “01”
-75
-85
-
dBV
SPKG1-0 bits = “10”
-
-83
-
dBV
Load Resistance
8
-
-

Load Capacitance
-
-
30
pF
MS0447-E-06
- 10 -
2015/10