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AKD4524 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems

Part # AKD4524
Description  24Bit 96kHz Audio CODEC
Download  31 Pages
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AKD4524 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems

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ASAHI KASEI
[AK4524]
M0050-E-03
2004/01
- 6 -
ANALOG CHARACTERISTICS
(Ta=25
°C; VA, VD, VT=5.0V; AGND=DGND=0V; VREF=VA; fs=44.1kHz; Signal Frequency=1kHz; 24bit Data;
Measurement frequency = 10Hz
∼ 20kHz at fs=44.1kHz, 10Hz ∼ 40kHz at fs=96kHz; unless otherwise specified)
Parameter
min
typ
max
Units
Input PGA Characteristics:
Input Voltage
(Note 3)
2.7
2.9
3.1
Vpp
Input Resistance
5
10
15
k
Step Size
0.2
0.5
0.8
dB
Gain Control Range
0
18
dB
ADC Analog Input Characteristics:
IPGA=0dB
Resolution
24
Bits
S/(N+D)
(
−0.5dBFS)
fs=44.1kHz
fs=96kHz
84
80
90
88
dB
dB
DR
(
−60dBFS)
fs=44.1kHz, A-weighted
fs=96kHz
94
88
100
96
dB
dB
S/N
fs=44.1kHz, A-weighted
fs=96kHz
94
88
100
96
dB
dB
Interchannel Isolation
90
105
dB
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
20
-
ppm/
°C
Power Supply Rejection
(Note 4)
50
-
dB
DAC Analog Output Characteristics:
Resolution
24
Bits
S/(N+D)
(0dBFS)
fs=44.1kHz
fs=96kHz
88
85
94
93
dB
dB
DR
(
−60dBFS)
fs=44.1kHz, A-weighted
fs=96kHz
104
96
110
104
dB
dB
S/N
fs=44.1kHz, A-weighted
fs=96kHz
104
96
110
104
dB
dB
Interchannel Isolation
100
110
dB
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
20
-
ppm/
°C
Output Voltage
(Note 5)
5.0
5.4
5.8
Vpp
Load Resistance
(In case of AC load)
1
k
Output Current
(In case of AC load)
1.5
mA
Load Capacitance
25
pF
Note: 3. Full scale (0dB) of the input voltage at PGA=0dB.
This voltage is proportional to VREF. Vin=0.58 x VREF.
4. PSR is applied to VA, VD, VT with 1kHz, 50mVpp. VREF pin is held a constant voltage.
5. Full scale (0dB) of the output voltage when summing the differential outputs, AOUT+/
− by unity gain.
This voltage is proportional to VREF. Vout=1.08 x VREF x Gain.


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