VDD = 5 V ± 5%, AGND = DGND = 0 V, V" />
參數(shù)資料
型號(hào): AD7864ASZ-3
廠商: Analog Devices Inc
文件頁(yè)數(shù): 22/28頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT PAR 520K 4CH 44MQFP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 520k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 120mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 44-QFP
供應(yīng)商設(shè)備封裝: 44-MQFP(10x10)
包裝: 托盤(pán)
輸入數(shù)目和類(lèi)型: 4 個(gè)差分,雙極
AD7864
Rev. D | Page 3 of 28
SPECIFICATIONS
VDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = internal, clock = internal; all specifications TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
A Version1
B Version
Unit
Test Conditions/Comments
SAMPLE AND HOLD
3 dB Full Power Bandwidth
3
MHz typ
Aperture Delay
20
ns max
Aperture Jitter
50
ps max
Aperture Delay Matching
4
ns max
DYNAMIC PERFORMANCE2
fIN = 100.0 kHz, fS = 500 kSPS
Signal-to-(Noise + Distortion) Ratio3
@ 25°C
70
72
dB min
TMIN to TMAX
70
dB min
Total Harmonic Distortion3
80
dB max
Peak Harmonic or Spurious Noise3
80
dB max
Intermodulation Distortion3
fa = 49 kHz, fb = 50 kHz
Second-Order Terms
80
dB typ
Third-Order Terms
80
dB typ
Channel-to-Channel Isolation3
80
dB max
fIN = 50 kHz sine wave
DC ACCURACY
Any channel
Resolution
12
Bits
Relative Accuracy3
±1
±1/2
LSB max
Differential Nonlinearity3
±0.9
LSB max
No missing codes
AD7864-1
Positive Gain Error3
±3
LSB max
Positive Gain Error Match3
+3
±3
LSB max
Negative Gain Error3
±3
LSB max
Negative Gain Error Match3
+3
±3
LSB max
Bipolar Zero Error
±4
±3
LSB max
Bipolar Zero Error Match
+2
±2
LSB max
AD7864-3
Positive Gain Error3
±3
LSB max
Positive Gain Error Match3
2
LSB max
Negative Gain Error3
±3
LSB max
Negative Gain Error Match3
2
LSB max
Bipolar Zero Error
±3
LSB max
Bipolar Zero Error Match
2
LSB max
AD7864-2
Positive Gain Error3
±3
LSB max
Positive Gain Error Match3
3
LSB max
Unipolar Offset Error
±3
LSB max
Unipolar Offset Error Match
2
LSB max
ANALOG INPUTS
AD7864-1
Input Voltage Range
±5, ±10
V
Input Resistance
9, 18
kΩ min
AD7864-3
Input Voltage Range
±2.5
V
Input Resistance
4.5
kΩ min
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