參數(shù)資料
型號(hào): AD8251-EVALZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD8251 PGA
標(biāo)準(zhǔn)包裝: 1
系列: iCMOS®
每 IC 通道數(shù): 1 - 單
放大器類型: 儀表
輸出類型: 單端
轉(zhuǎn)換速率: 20 V/µs
-3db帶寬: 10MHz
工作溫度: -40°C ~ 85°C
電流供應(yīng)(主 IC): 4.1mA
電壓 - 電源,單路/雙路(±): 5 V ~ 15 V
板類型: 完全填充
已供物品:
已用 IC / 零件: AD8251
AD8251
Rev. B | Page 4 of 24
Parameter
Conditions
Min
Typ
Max
Unit
Settling Time 0.001%
ΔOUT = 10 V step
G = 1
785
ns
G = 2
700
ns
G = 4
700
ns
G = 8
770
ns
Slew Rate
G = 1
20
V/μs
G = 2
30
V/μs
G = 4
30
V/μs
G = 8
30
V/μs
Total Harmonic Distortion + Noise
f = 1 kHz, RL = 10 kΩ, ±10 V,
G = 1, 10 Hz to 22 kHz band-
pass filter
110
dB
GAIN
Gain Range
G = 1, 2, 4, 8
1
8
V/V
Gain Error
OUT = ±10 V
G = 1
0.03
%
G = 2, 4, 8
0.04
%
Gain Nonlinearity
OUT = 10 V to +10 V
G = 1
RL = 10 kΩ, 2 kΩ, 600 Ω
9
ppm
G = 2
RL = 10 kΩ, 2 kΩ, 600 Ω
12
ppm
G = 4
RL = 10 kΩ, 2 kΩ, 600 Ω
12
ppm
G = 8
RL = 10 kΩ, 2 kΩ, 600 Ω
15
ppm
Gain vs. Temperature
All gains
3
10
ppm/°C
INPUT
Input Impedance
Differential
5.3||0.5
||pF
Common Mode
1.25||2
||pF
Input Operating Voltage Range
VS = ±5 V to ±15 V
VS + 1.5
+VS 1.5
V
Over Temperature
T = 40°C to +85°C
VS + 1.6
+VS 1.7
V
OUTPUT
Output Swing
13.5
+13.5
V
Over Temperature
T = 40°C to +85°C
13.5
+13.5
V
Short-Circuit Current
37
mA
REFERENCE INPUT
RIN
20
IIN
+IN, IN, REF = 0
1
μA
Voltage Range
VS
+VS
V
Gain to Output
1 ± 0.0001
V/V
DIGITAL LOGIC
Digital Ground Voltage, DGND
Referred to GND
VS + 4.25
0
+VS 2.7
V
Digital Input Voltage Low
Referred to GND
DGND
2.1
V
Digital Input Voltage High
Referred to GND
2.8
+VS
V
Digital Input Current
1
μA
Gain Switching Time1
325
ns
tSU
See Figure 3 timing diagram
20
ns
tHD
See Figure 3 timing diagram
10
ns
t WR -LOW
See Figure 3 timing diagram
20
ns
t WR -HIGH
See Figure 3 timing diagram
40
ns
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