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參數(shù)資料
| 型號(hào)： | AK4387ET |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 106dB 192kHz 24-Bit 2ch ツヒ DAC |
| 中文描述： | 一零六分貝192kHz的24位2通道ツヒ數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 257K |
| 代理商： | AK4387ET |
ASAHI KASEI
[AK4387]
MS0429-E-00
2005/09
- 4 -
ANALOG CHARACTERISTICS
(Ta=25
°
C; AVDD=DVDD=5.0V; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data;
Measurement frequency=20Hz
～
20kHz; R
L
≥
5k
; External circuit: Figure 9 (Example 2); unless otherwise specified)
Parameter
Resolution
Dynamic Characteristics
(Note 3)
fs=44.1kHz
BW=20kHz
-60dBFS
fs=96kHz
BW=40kHz
-60dBFS
fs=192kHz
BW=40kHz
-60dBFS
Dynamic Range (-60dBFS with A-weighted) (Note 4)
S/N (A-weighted) (Note 5)
Interchannel Isolation (1kHz)
Interchannel Gain Mismatch
DC Accuracy
Gain Drift
Output Voltage (Note 6)
Load Resistance (Note 7)
Load Capacitance
Power Supplies
Power Supply Current (AVDD+DVDD)
Normal Operation (RSTN pin = “H”, fs
≤
96kHz)
Normal Operation (RSTN pin = “H”, fs=192kHz)
Power-Down Mode (RSTN pin = “L”) (Note 8)
Note 3. Measured by Audio Precision (System Two). Refer to the evaluation board manual.
Note 4. 100dB at 16bit data.
Note 5. S/N does not depend on input bit length.
Note 6. Full-scale voltage (0dB). Output voltage scales with the voltage of AVDD,
AOUT (typ.@0dB) = 2.95Vpp × AVDD/5.
Note 7. For AC-load.
Note 8. All digital inputs including clock pins (MCLK, BICK and LRCK) are held AVDD, DVDD or VSS.
SHARP ROLL-OFF FILTER CHARACTERISTICS
(Ta = 25
°
C; AVDD=DVDD = 4.5
～
5.5V; fs = 44.1kHz; DEM = OFF)
Parameter
Symbol
Digital filter
Passband
±
0.05dB (Note 9)
-6.0dB
Stopband (Note 9)
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay (Note 10)
GD
Digital Filter + LPF
Frequency Response
80.0kHz
fs=192kHz
FR
Note 9. The passband and stopband frequencies scale with fs(system sampling rate).
For example, PB=0.4535×fs (@
±
0.05dB), SB=0.546×fs.
Note 10. The calculating delay time which occurred by digital filtering. This time is from setting the 16/24bit data
of both channels to input register to the output of analog signal.
min
Typ
max
24
Units
Bits
0dBFS
-90
-42
-90
-39
-85
-39
106
106
100
0.2
-80
-
-
-
-
-
0.5
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
0dBFS
THD+N
0dBFS
98
98
90
100
2.95
-
ppm/
°
C
Vpp
k
pF
2.75
5
3.15
25
17
20
60
27
32
150
mA
mA
μA
min
typ
max
Units
PB
0
-
22.05
19.3
20.0
-
±
0.02
-
kHz
kHz
kHz
dB
dB
1/fs
24.1
54
-
20.0kHz
40.0kHz
fs=44.1kHz
fs=96kHz
FR
FR
-
-
-
±
0.03
±
0.03
±
0.03
-
-
-
dB
dB
dB
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| AK4388AETP-E2 | 功能描述:IC DAC 24BIT PARALLEL 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
| AK4388ET | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz 24-Bit 2ch ツヒ DAC |
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