AD628ARZ Просмотр технического описания (PDF) - Analog Devices
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AD628ARZ Datasheet PDF : 20 Pages
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AD628
TA = 25°C, VS = 5 V, RL = 2 kΩ, REXT1 = 10 kΩ, REXT2 = ∞, VREF = 2.5, unless otherwise noted.
Table 2.
Parameter
DIFFERENTIAL AND OUTPUT AMPLIFIER
Gain Equation
Gain Range
Offset Voltage
vs. Temperature
CMRR3
Minimum CMRR Over Temperature
vs. Temperature
PSRR (RTI)
Input Voltage Range
Common Mode4
Differential
Dynamic Response
Small Signal Bandwidth – 3 dB
Full Power Bandwidth
Settling Time
Slew Rate
Noise (RTI)
Spectral Density
DIFFERENTIAL AMPLIFIER
Gain
Error
Nonlinearity
vs. Temperature
Offset Voltage
vs. Temperature
Input Impedance
Differential
Common Mode
CMRR5
Minimum CMRR Over Temperature
vs. Temperature
Output Resistance
Error
OUTPUT AMPLIFIER
Gain Equation
Nonlinearity
Output Offset Voltage
vs. Temperature
Output Voltage Swing
Bias Current
Offset Current
CMRR
Open-Loop Gain
Conditions
G = +0.1(1+ REXT1/REXT2)
See Figure 29
VCM = 2.25 V; RTI of input pins2;
output amplifier G = +1
RTI of input pins; G = +0.1 to +100
500 Hz
−40°C to +85°C
VS = 4.5 V to 10 V
G = +0.1
G = +0.1; to 0.01%, 30 V step
1 kHz
0.1 Hz to 10 Hz
RTI of input pins
RTI of input pins; G = +0.1 to +100
500 Hz
−40°C to +85°C
G = (1 + REXT1/REXT2)
G = +1, VOUT = 1 V to 4 V
RTI of output amplifier
RL = 10 kΩ
RL = 2 kΩ
VCM = 1 V to 4 V
VOUT = 1 V to 4 V
AD628AR
Min Typ Max
0.11
100
−3.0
+3.0
6
15
75
75
70
1
4
77 94
−12
+17
−15
+15
440
30
15
0.3
350
15
0.1
–0.1 +0.01 +0.1
3
3
10
−2.5
+2.5
10
220
55
75
75
70
1
4
10
−0.1
+0.1
0.5
−0.15
0.15
0.6
0.9
4.1
1
4
1.5 3
0.2 0.5
130
130
AD628ARM
Min Typ Max
0.11
100
−3.0
+3.0
6
15
75
75
70
1
4
77 94
−12
+17
−15
+15
440
30
15
0.3
350
15
0.1
–0.1 +0.01 +0.1
3
3
10
−2.5
+2.5
10
220
55
75
75
70
1
4
10
−0.1
+0.1
0.5
−0.15
0.15
0.6
0.9
4.1
1
4
1.5 3
0.2 0.5
130
130
Unit
V/V
V/V
mV
μV/°C
dB
dB
dB
(μV/V)/°C
dB
V
V
kHz
kHz
μs
V/μs
nV/√Hz
μV p-p
V/V
%
ppm
ppm
mV
μV/°C
kΩ
kΩ
dB
dB
dB
(μV/V)/°C
kΩ
%
V/V
ppm
mV
μV/°C
V
V
nA
nA
dB
dB
Rev. F | Page 5 of 20
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