AK4532_04 Datasheet, PDF (5/17 Pages) Asahi Kasei Microsystems – Internet/Network/General Purpose Multimedia Audio CODEC

ASAHI KASEI
[AK4532]
ANALOG CHARACTERISTICS
(Ta=25 °C; VA, VD = 5.0V; fs = 44.1kHz; Signal Frequency = 1 kHz; MCLK=256fs; BCLK = 64 fs;
LRCK = fs, Gain, ATT and Mixer switches are defualt setting. Measurement frequency bandwidth is
10Hz to 20kHz, unless otherwise noted.)
Parameter
min
typ
max units
A/D
measured via LineL and LineR
Resolution
16 Bits
S/(N+D)
-0.5 dB Input
74
80
dB
S/N
A-weighted
84
90
dB
Dynamic Range
-60 dB Input,
84
90
dB
A-weighted
Interchannel Isolation
(Note 1)
68
76
dB
Interchannel Gain Mismatch
0.2
0.5 dB
Gain Drift
100
ppm/°
C
Offset Error
(Note 2)
+/- 1
LSB
Input Voltage
(Note 4)
2.50
2.70
2.90 Vpp
Mixer Input Resistance
30
60
100 kΩ
D/A
measured via LOUT and ROUT
Resolution
16 Bits
S/(N+D)
75
83
dB
S/N
A-weighted
83
87
dB
Dynamic Range
-60 dB Input,
83
87
dB
A-weighted
Interchannel Isolation
(Note 1)
80
100
dB
Interchannel Gain Mismatch
0.2
0.7 dB
Gain Drift
100
ppm/°C
Output Voltage
(Note 4)
2.85
3.05
3.35 Vpp
Load Resistance
10
kΩ
Out-of-Band Noise
BW < 100 kHz
-81
dB
MIC Amp
Gain
24
26
28 dB
Input Resistance
For 26dB setting
15
25
40 kΩ
Mixer Gain Control
32 Steps
Step Size
(Note 3)
0
2
dB
Gain Control Range
-50
12 dB
Master Volume
32 Steps
Step Size
(Note 3)
0
2
dB
Attenuation Control Range
-62
0
dB
Power Supplies
Normal Operation
VA
27
40 mA
VD
3
5
mA
Power Dissipation
150
225 mW
Power-Down Mode
VA
10
uA
VD
10
uA
Power Dissipation
100
200 uW
Note: 1. Crosstalk between channels on the same A/D or D/A.
2. Internal HPF removes offset
3. Minimum spec applies to ≥ -40dB setting.
4. Input and Output voltage scale with VA.
0178-E-02
5
2004/12