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AK4633 Datasheet, PDF (10/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP | |||
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ASAHI KASEI
[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 â¼ 3.4kHz; EXT Slave Mode; unless otherwise specified)
Parameter
min
typ
max
Units
MIC Amplifier : MDIF bit = â0â; (Single-ended input)
Input Resistance
20
30
40
kâ¦
Gain
(MGAIN2-0 bits = â000â)
-
0
-
dB
(MGAIN2-0 bits = â001â)
-
20
-
dB
(MGAIN2-0 bits = â010â)
-
26
-
dB
(MGAIN2-0 bits = â011â)
-
32
-
dB
(MGAIN2-0 bits = â100â)
-
6
-
dB
(MGAIN2-0 bits = â101â)
-
10
-
dB
(MGAIN2-0 bits = â110â)
-
14
-
dB
(MGAIN2-0 bits = â111â)
-
17
-
dB
MIC Amplifier : MDIF bit = â1â; (Full-differential input)
Input Voltage
(MGAIN2-0 bits = â001â)
-
-
0.228
Vpp
(Note 8)
(MGAIN2-0 bits = â010â)
-
-
0.114
Vpp
(MGAIN2-0 bits = â011â)
-
-
0.057
Vpp
(MGAIN2-0 bits = â100â)
-
-
1.14
Vpp
(MGAIN2-0 bits = â101â)
-
-
0.721
Vpp
(MGAIN2-0 bits = â110â)
-
-
0.455
Vpp
(MGAIN2-0 bits = â111â)
-
-
0.322
Vpp
MIC Power Supply: MPI pin
Output Voltage (Note 9)
2.38
2.64
2.90
V
Load Resistance
2
-
-
kâ¦
Load Capacitance
-
-
30
pF
ADC Analog Input Characteristics: MIC Ã ADC, MIC Gain=20dB, IVOL=0dB, ALC1bit = â0â
Resolution
-
-
16
Bits
Input Voltage (MIC Gain=20dB,Note 10)
0.168
0.198
0.228
Vpp
S/(N+D)
(â1dBFS) (Note 11)
72
84
-
dB
D-Range
(â60dBFS)
75
85
-
dB
S/N
75
85
-
dB
DAC Characteristics:
Resolution
16
Bits
Mono Line Output Characteristics: AOUT pin, DAC â AOUT, RL=10kâ¦
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
-
-
kâ¦
Load Capacitance
-
-
30
pF
Speaker-Amp Characteristics: DAC à SPP/SPN pins, ALC2 bit = â0â, RL=8â¦, BTL, SVDD=3.3V
Output Voltage SPKG1-0 bits = â00â (-4.1dBFS)
2.54
3.17
3.80
Vpp
SPKG1-0 bits = â01â (-4.1dBFS)
3.20
4.00
4.80
Vpp
S/(N+D)
As 150mW output power
40
60
-
dB
As 400mW output power
-
20
-
dB
Output Noise SPKG1-0 bits = â00â
-
-87
-
dBV
Level
SPKG1-0 bits = â01â
-75
-85
-
dBV
SPKG1-0 bits = â10â
-
-83
-
dBV
Load Resistance
8
-
-
â¦
Load Capacitance
-
-
30
pF
MS0447-E-03
- 10 -
2006/04
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