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AD8271ARMZ-R7 数据表(PDF) 4 Page - Analog Devices

部件名 AD8271ARMZ-R7
功能描述  Programmable Gain Precision Difference Amplifier
PDF  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8271ARMZ-R7 数据表(HTML) 4 Page - Analog Devices

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AD8271
Rev. 0 | Page 4 of 20
VS = ±5 to ±15 V, VREF = 0 V, G = ½, RLOAD = 2 kΩ, TA = 25°C, specifications referred to input (RTI), unless otherwise noted.
Table 3.
B Grade
A Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
Bandwidth
20
20
MHz
Slew Rate
30
30
V/μs
Settling Time to 0.01%
VS = ±15, 10 V step on output
700
800
700
800
ns
VS = ±5, 5 V step on output
550
650
550
650
ns
Settling Time to 0.001%
VS = ±15, 10 V step on output
750
900
750
900
ns
VS = ±5, 5 V step on output
600
750
600
750
ns
NOISE/DISTORTION
Harmonic Distortion + Noise
VS = ±15, f = 1 kHz,
VOUT = 10 V p-p, RLOAD = 600 Ω
74
74
dB
VS = ±5, f = 1 kHz,
VOUT = 10 V p-p, RLOAD = 600 Ω
101
101
dB
Voltage Noise1
f = 0.1 Hz to 10 Hz
2
2
μV p-p
f = 1 kHz
52
52
nV/√Hz
GAIN
Gain Error
VOUT = 10 V p-p
0.04
0.08
%
Gain Drift
TA = −40°C to +85°C
0.5
2
1
10
ppm/°C
Gain Nonlinearity
VOUT = 10 V p-p,
RLOAD = 10 kΩ, 2 kΩ, 600 Ω
200
200
ppm
INPUT CHARACTERISTICS
Offset2
450
1000
450
1500
μV
Average Temperature Drift
TA = −40°C to +85°C
3
3
μV/°C
Common-Mode Rejection Ratio
DC to 1 kHz
74
86
70
86
dB
Power Supply Rejection Ratio
2
10
2
10
μV/V
Input Voltage Range3
−VS − 0.4
+VS + 0.4
−VS − 0.4
+VS + 0.4
V
Common-Mode Resistance4
7.5
7.5
kΩ
Bias Current
Inputs grounded
500
500
nA
OUTPUT CHARACTERISTICS
Output Swing
VS = ±15
−13.8
+13.8
−13.8
+13.8
V
VS = ±15, TA = −40°C to +85°C
−13.7
+13.7
−13.7
+13.7
V
VS = ±5
−4
+4
−4
+4
V
VS = ±5, TA = −40°C to +85°C
−3.9
+3.9
−3.9
+3.9
V
Short-Circuit Current Limit
Sourcing
100
100
mA
Sinking
60
60
mA
POWER SUPPLY
Supply Current
2.3
2.6
2.3
2.6
mA
TA = −40°C to +85°C
3.2
3.2
mA
1 Includes amplifier voltage and current noise, as well as noise of internal resistors.
2 Includes input bias and offset errors.
3 At voltages beyond the rails, internal ESD diodes begin to turn on. In some configurations, the input voltage range may be limited by the internal op amp (see the
section for details).
Input Voltage Range
4 Internal resistors, trimmed to be ratio matched, have ±20% absolute accuracy. Common-mode resistance was calculated with both inputs in parallel. The common-
mode impedance at only one input is 2× the resistance listed.



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