參數(shù)資料
型號: AK4345
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 100dB 96kHz 24-Bit Stereo 3.3V ツヒ DAC with DIT
中文描述: 100dB的96kHz的24位立體聲3.3ツヒDAC,具有動態(tài)網(wǎng)
文件頁數(shù): 6/26頁
文件大小: 540K
代理商: AK4345
[AK4345]
ANALOG CHARACTERISTICS
(Ta=25
°
C; VDD=3.3V; VSS=0V; fs=44.1kHz, 96kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data;
Measurement frequency=20Hz
20kHz at fs=44.1kHz, 20Hz
40kHz at fs=96kHz; unless otherwise specified)
Parameter
Dynamic Characteristics (GAIN bit= “1”) :
Resolution
THD+N
BW=20kHz
60dBFS
fs=96kHz
BW=40kHz
60dBFS
DR (
60dBFS with A-weighted)
S/N (A-weighted)
Interchannel Isolation
DC Accuracy:
Interchannel Gain Mismatch
Gain Drift
Output Voltage: GAIN bit= “1” (Note 3)
Output Voltage: GAIN bit=“0” (Note 4)
Load Resistance (Note 5)
Load Capacitance
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”, fs=44.1kHz) (Note 6)
Normal Operation (PDN pin = “H”, fs=96kHz) (Note 6)
Full Power-down mode (PDN pin = “L”) (Note 7)
Note 3. Full-scale voltage (0dB). Output voltage scales with the voltage of VDD, Vout = 0.85
×
VDD (typ).
Note 4. Full-scale voltage (0dB). Output voltage scales with the voltage of VDD, Vout = 0.67
×
VDD (typ).
Note 5. For AC-load.
Note 6. RSTN bit= “1”, PW bit= “1”, TX pin: open. When TX pin = 20pF, power supply current (IDD@3.3V) is
9.0mA(typ)@fs= 96kHz.
Note 7. All digital input pins are fixed to VDD or VSS.
min
typ
max
Units
24
-80
-
-
-
Bits
dB
dB
dB
dB
dB
dB
dB
fs=44.1kHz
0dBFS
-90
37
-88
34
100
100
100
0dBFS
92
92
80
0.2
100
2.8
2.2
0.5
-
3.0
2.35
25
dB
ppm/
°
C
Vpp
Vpp
k
Ω
pF
2.60
2.05
10
7.0
8.5
10
12.8
50
mA
mA
μ
A
MS0635-E-00
2007/06
- 6 -
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