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AD8556ACPZ-R2 数据表(PDF) 5 Page - Analog Devices

部件名 AD8556ACPZ-R2
功能描述  Digitally Programmable Sensor Signal Amplifier with EMI Filters
PDF  28 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8556ACPZ-R2 数据表(HTML) 5 Page - Analog Devices

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AD8556
Data Sheet
SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
VDD = 5.0 V, VSS = 0.0 V, VCM = 2.5 V, VO = 2.5 V, −40°C ≤ TA ≤ +140°C, unless otherwise specified.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT STAGE
Input Offset Voltage
VOS
−40°C ≤ TA ≤ +125°C
2
10
µV
−40°C ≤ TA ≤ +140°C
3
12
µV
Input Offset Voltage Drift
TCVOS
25
65
nV/°C
Input Bias Current
IB
TA = 25°C
38
49
54
nA
−40°C ≤ TA ≤ +125°C
58
nA
−40°C ≤ TA ≤ +140°C
60
nA
Input Offset Current
IOS
TA = 25°C
0.2
2.5
nA
−40°C ≤ TA ≤ +125°C
3.0
nA
−40°C ≤ TA ≤ +140°C
4.0
nA
Input Voltage Range
2.1
2.9
V
Common-Mode Rejection Ratio
CMRR
VCM = 2.1 V to 2.9 V, AV = 70
80
92
dB
VCM = 2.1 V to 2.9 V, AV = 1280
94
112
dB
Linearity
VO = 0.2 V to 3.4 V
20
ppm
VO = 0.2 V to 4.8 V
1000
ppm
Differential Gain Accuracy
Second stage gain = 17.5 to 100
0.35
1.6
%
Second stage gain = 140 to 200
0.5
2.5
%
Differential Gain Temperature Coefficient
Second stage gain = 17.5 to 100
7
20
ppm/°C
Second stage gain = 140 to 200
10
40
ppm/°C
RF
14
18
22
kΩ
RF Temperature Coefficient
600
ppm/°C
DAC
Accuracy
AV = 70, offset codes = 8 to 248
0.2
0.6
%
Ratiometricity
AV = 70, offset codes = 8 to 248
50
ppm
Output Offset
AV = 70, offset codes = 8 to 248
5
35
mV
Temperature Coefficient
−40°C ≤ TA ≤ +125°C
3.3
15
ppm FS/°C
−40°C ≤ TA ≤ +140°C
25
ppm FS/°C
VCLAMP
Input Bias Current
TA = 25°C, VCLAMP = 5 V
200
nA
−40°C ≤ TA ≤ +125°C, VCLAMP = 5 V
500
nA
−40°C ≤ TA ≤ +140°C, VCLAMP = 5 V
550
nA
Input Voltage Range
1.2
4.94
V
OUTPUT BUFFER STAGE
Buffer Offset
3
7
mV
Short-Circuit Current
ISC
5
10
mA
Output Voltage, Low
VOL
RL = 10 kΩ to 5 V
20
mV
Output Voltage, High
VOH
RL = 10 kΩ to 0 V
4.94
V
POWER SUPPLY
Supply Current
ISY
−40°C ≤ TA ≤ +125°C, VO = 2.5 V,
VPOS = VNEG = 2.5 V, VDAC code = 128
2.0
2.7
mA
−40°C ≤ TA ≤ +140°C, VO = 2.5 V,
VPOS = VNEG = 2.5 V, VDAC Code = 128
2.78
mA
Power Supply Rejection Ratio
PSRR
AV = 70
109
125
dB
Supply Voltage Required During Programming
10°C < TPROG < 40°C, supply capable of
driving 250 mA
5.0
5.25
5.5
V
Rev. B | Page 4 of 27



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