參數(shù)資料
型號: AD974BRS-RL7
廠商: Analog Devices Inc
文件頁數(shù): 12/20頁
文件大?。?/td> 0K
描述: IC DAS 16BIT 4CH 200KSPS 28SSOP
標準包裝: 500
類型: 數(shù)據(jù)采集系統(tǒng)(DAS)
分辨率(位): 16 b
采樣率(每秒): 200k
數(shù)據(jù)接口: 串行
電壓電源: 模擬和數(shù)字
電源電壓: 4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應商設(shè)備封裝: 28-SSOP
包裝: 帶卷 (TR)
配用: EVAL-AD974CB-ND - BOARD EVAL FOR AD974
REV. A
–2–
AD974–SPECIFICATIONS
A Grade
B Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Units
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
±10 V, 0 V to +4 V, 0 V to +5 V (See Table I)
Impedance
Channel On or Off
(See Table I)
Sampling Capacitance
40
pF
THROUGHPUT SPEED
Complete Cycle
(Acquire and Convert)
5
s
Throughput Rate
200
kHz
DC ACCURACY
Integral Linearity Error
±3
±2.0
LSB1
Differential Linearity Error
–2
+3
–1
+1.75
LSB
No Missing Codes
15
16
Bits
Transition Noise2
1.0
LSB
Full-Scale Error3
Internal Reference
±0.5
±0.25
%
Full-Scale Error Drift
Internal Reference
±7
ppm/
°C
Full-Scale Error
Ext. REF = +2.5 V
±0.5
±0.25
%
Full-Scale Error Drift
Ext. REF = +2.5 V
±2
ppm/
°C
Bipolar Zero Error
Bipolar Range
±10
mV
Bipolar Zero Error Drift
Bipolar Range
±2
ppm/
°C
Unipolar Zero Error
Unipolar Ranges
±10
mV
Unipolar Zero Error Drift
Unipolar Ranges
±2
ppm/
°C
Channel-to-Channel Matching
±0.1
±0.05
% FSR
Recovery to Rated Accuracy
After Power-Down4
2.2
F to CAP
1
ms
Power Supply Sensitivity
VANA = VDIG = VD
VD = 5 V
± 5%
±8
LSB
AC ACCURACY
Spurious Free Dynamic Range
fIN = 20 kHz
90
96
dB5
Total Harmonic Distortion
fIN = 20 kHz
–90
–96
dB
Signal-to-(Noise+Distortion)
fIN = 20 kHz
83
85
dB
–60 dB Input
27
28
dB
Signal-to-Noise
fIN = 20 kHz
83
85
dB
Channel-to-Channel Isolation
fIN = 20 kHz
–110
–100
–110
–100
dB
Full Power Bandwidth6
1
MHz
–3 dB Input Bandwidth
2.7
MHz
SAMPLING DYNAMICS
Aperture Delay
40
ns
Transient Response
Full-Scale Step
1
s
Overvoltage Recovery7
150
ns
REFERENCE
Internal Reference Voltage
2.48
2.5
2.52
2.48
2.5
2.52
V
Internal Reference Source Current
1
A
External Reference Voltage Range
for Specified Linearity
2.3
2.5
2.7
2.3
2.5
2.7
V
External Reference Current Drain
Ext. REF = +2.5 V
100
A
DIGITAL INPUTS
Logic Levels
VIL
–0.3
+0.8
–0.3
+0.8
V
VIH
+2.0
VDIG + 0.3
+2.0
VDIG + 0.3
V
IIL
±10
A
IIH
±10
A
(–40 C to +85 C, fS = 200 kHz, VDIG = VANA = +5 V, unless otherwise noted)
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