參數(shù)資料
型號: AK4528VF
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: HIGH PERFORMANCE 24BIT 96KHZ AUDIO CODEC
中文描述: 高性能24位96kHz的音頻編解碼器
文件頁數(shù): 6/29頁
文件大?。?/td> 284K
代理商: AK4528VF
ASAHI KASEI
[AK4528]
MS0011-E-00
2000/1
- 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 = 20Hz
~
20kHz at fs=44.1kHz, 40Hz
~
40kHz at fs=96kHz; unless otherwise specified)
Parameter
Input PGA Characteristics:
ADC Analog Input Characteristics: Analog Source impedance = 330
W
Resolution
Input Voltage (Note 3)
fs=44.1kHz
fs=96kHz
S/(N+D) (-0.5dBFS)
fs=44.1kHz
fs=96kHz
min
typ
max
Units
24
±3.0
Bits
Vpp
k
W
k
W
dB
dB
±2.6
16
7
88
84
±2.8
27
12
94
92
Input Resistance
DR (-60dBFS)
fs=44.1kHz, A-weighted
fs=96kHz
fs=44.1kHz, A-weighted
fs=96kHz
100
95
100
95
90
108
103
108
103
110
0.2
20
±2.8
27
12
-
50
dB
dB
dB
dB
dB
dB
S/N
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
Input Voltage (Note 3)
0.5
-
±3.0
ppm/
°
C
Vpp
k
W
k
W
V
dB
±2.6
16
7
0.56VA
-
Input Resistance
fs=44.1kHz
fs=96kHz
Input DC Bias Voltage (Note 4)
Power Supply Rejection (Note 5)
DAC Analog Output Characteristics:
Resolution
S/(N+D) (0dBFS)
0.60VA
-
24
Bits
dB
dB
dB
dB
dB
dB
dB
dB
ppm/
°
C
Vpp
k
W
mA
pF
dB
fs=44.1kHz
fs=96kHz
fs=44.1kHz, A-weighted
fs=96kHz
fs=44.1kHz, A-weighted
fs=96kHz
88
85
104
96
104
96
90
94
93
110
104
110
104
110
0.2
20
5.4
DR (-60dBFS)
S/N
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
Output Voltage (Note 6)
Load Resistance (In case of AC load)
Output Current
Load Capacitance
Power Supply Rejection (Note 5)
0.5
-
5.8
5.0
1
1.5
25
-
50
Note: 3. This voltage is input to AIN+ and AIN- pin, and is proportional to VREF. Vin = 0.56 x VREF.
4. Measured by Figure 12. DC Bias Voltage, Vb = 4.7k / (3.3k + 4.7k) x VA = 0.5875VA.
5. PSR is applied to VA, VD, VT with 1kHz, 50mVpp. VREF pin is held a constant voltage.
6. 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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