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參數(shù)資料
| 型號： | AD1879* |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | High Performance 16-/18-Bit ## Stereo ADCs |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 628K |
REV. 0
AD1878/AD1879–SPECIFICATIONS
–2–
T E ST CONDIT IONS UNLE SS OT HE RWISE NOT E D
Supply
Voltages
Ambient T emperature
Input Clock (F
CLOCK
)
Input Signal
±
5
25
12.288
974
–0.5
V
°
C
MHz
Hz
dB Full Scale
All minimums and maximums tested except as noted.
ANALOG PE RFORMANCE
Min
T yp
Max
Units
AD1879 Resolution
AD1878 Resolution
Clock Input Frequency Range
CLOCK Input (F
CLOCK
)
Modulator Sample Rate (F
CLOCK
/4)
Output Word Rate (F
S
= F
CLOCK
/256)
AD1879 Dynamic Range (0 kHz to 20 kHz, –60 dB input)
Stereo Mode (No A-Weight Filter)
Mono Mode
1
(No A-Weight Filter)
Stereo Mode (with A-Weight Filter)
AD1879 T rimmed
2
Signal to (Noise + Distortion)
Full Scale
–20 dB
AD1879 Untrimmed
3
Signal to (Noise + Distortion)
Full Scale
–20 dB
AD1879 T rimmed
2
Signal to T otal Harmonic Distortion
Full Scale
–20 dB
AD1878 Dynamic Range (0 kHz to 20 kHz, –60 dB 1.0936 kHz
Input Dithered with a –10 dB 21.873 kHz Sine Wave)
Stereo Mode (No A-Weight Filter)
AD1878 T rimmed
2
Signal to (Noise + Distortion)
Full Scale
–20 dB
AD1878 Untrimmed
3
Signal to (Noise + Distortion)
Full Scale
–20 dB
AD1878 T rimmed
2
Signal to T otal Harmonic Distortion
Full Scale
–20 dB
Analog Inputs
Differential Input Range
4
Input Impedance at Each Input Pin
DC Accuracy
Gain Error
Interchannel Gain Mismatch
Gain Drift
AD1879 Midscale Offset Error
AD1878 Midscale Offset Error
Midscale Drift
Voltage Reference
Crosstalk (EIAJ Method)
Interchannel Phase Deviation
18
16
Bits
Bits
0.01
0.0025
0.039
12.288
3.072
48
14.286
3.5715
55.8
MHz
MHz
kHz
100
103
106
105
dB
dB
dB
93
98
83
dB
dB
91
96
83
dB
dB
98
100
dB
dB
95
97
dB
93
95
77
dB
dB
91
94
77
dB
dB
98
100
dB
dB
±
5.985
±
6.3
7.0
±
6.615
V
k
±
1
0.05
150
±
200
±
50
13
2.86
105
±
0.001
±
5
0.15
%
dB
ppm/
°
C
18-Bit LSBs
16-Bit LSBs
ppm/
°
C
V
dB
Degrees
±
750
±
200
2.4
100
3.2
NOT ES
1
Both channels connected together for mono operations as described below in “How to Extend SNR.”
2
Differential gain imbalance manually trimmed to eliminate second harmonic. See “Applications Issues” below.
3
T est performed without part-to-part trimming.
4
T he differential input range is twice the range seen at each input pin. T he input range corresponds to the full-scale digital output range.
Specifications subject to change without notice.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD1879JD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| AD1881A | 制造商:AD 制造商全稱:Analog Devices 功能描述:AC’97 SoundMAX Codec |
| AD1881AJST | 制造商:Rochester Electronics LLC 功能描述:AC97 VERSION 2.1 CODEC - Bulk 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:IC CODEC AC'97 VERSION 2.1 |
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