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AD22055N Folha de dados(PDF) 2 Page - Analog Devices

Nome de Peças AD22055N
Descrição Electrónicos  Single Supply Bridge Transducer Amplifier
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
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AD22055–SPECIFICATIONS
REV. 0
–2–
(@ TA = + 25 C, VS = +5 V, VCM = 0, unless otherwise noted)
Parameter
Comments
Test Conditions
Min
Typ
Max
Units
INPUTS (PINS 1 AND 8)
VCM
Common-Mode Range
0
5
V
CMRRLF
Common-Mode Rejection Ratio
f
≤ 10 Hz
–80
–90
dB
CMRRHF
Common-Mode Rejection Ratio
f = 10 kHz
–60
–75
dB
RINCM
Common-Mode Input Resistance Pin 1 or Pin 8 to Pin 2
180
230
k
RMATCH
Matching of Input Resistances
±0.5
%
RINDIFF
Differential Input Resistance
Pin 1 to Pin 8
180
230
300
k
PREAMPLIFIER
GCL
Closed-Loop Gain
1
40
V/V
VO
Output Voltage Range (Pin 3)
+0.02
+4.75
V
RO
Output Resistance
2
77.6
80
82.4
k
OUTPUT BUFFER
GCL
Closed-Loop Gain
1
RLOAD
≥ 10 kΩ
9.95
10
10.05
V/V
VO
Output Voltage Range
+0.02
+4.75
V
RO
Output Resistance (Pin 5)
VO ≥ 0.1 V dc
2.0
OVERALL SYSTEM
GCL
Gain1
VO ≥ 0.1 V dc
398
400
402
V/V
Gain Drift
–40
°C to +125°C
–60
ppm/
°C
Gain Drift
–125
°C to +150°C
–500
ppm/
°C
VOS
Initial Offset Voltage3
–1
0.05
1
mV
Offset Drift
–40
°C to +125°C1
µV/°C
Offset Drift
–125
°C to +150°C
–10
µV/°C
Input Resistance
Pin 7 to Pin 2
2.5
3.0
k
IOSC
Short-Circuit Output Current
7
11
25
mA
BW–3 dB
–3 dB Bandwidth
VO = + 1 V dc
20
30
kHz
SR
Slew Rate
0.2
V/
µs
NSD
Noise Spectral Density
3
f = 100 Hz to 10 kHz
0.2
µV/√Hz
POWER SUPPLY
VS
Operating Range
TA = TMIN to TMAX
3
5
36
V
IS
Quiescent Supply Current
4
200
500
µA
TEMPERATURE RANGE
TOP
Operating Temperature Range
–40
+125
°C
NOTES
1A2 gain is trimmed to
±0.5% with a 0.01% 1 kΩ resistor to ground from Pin 4. The overall gain is trimmed to a gain of 400 ±0.5% with the same 1 kΩ resistor. The
gain of A1 (the ratio of overall gain to A2 gain) is used to adjust the overall gain and, therefore, is not trimmed explicitly to 40. Note that the actual gain to a particu-
lar application can be modified by the use of an external resistor at Pin 4.
2The actual output resistance of A1 is only a few ohms, but access to this output, via Pin 3, is always through an 80 k
Ω resistor, which is trimmed to ±3%.
3Referred to the input (Pins 1 and 8).
4With V
DM = 0 V. Differential mode signals are referred to as V DM, while VCM refers to common-mode voltages.
All min and max specifications are guaranteed, although only those marked in boldface are tested on all production units at final test.
Specifications subject to change without notice.


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