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參數(shù)資料
| 型號： | op191 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Micropower Single-Supply Rail-to-Rail Input/Output Op Amps(微功耗單電源滿幅度運算放大器) |
| 中文描述： | 微功耗單電源軌到軌輸入/輸出運算放大器（微功耗單電源滿幅度運算放大器） |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 487K |
| 代理商： | OP191 |
OP191/OP291/OP491
–4–
ELECTRICAL SPECIFICATIONS
(@ V
O
=
±
5.0 V, –4.9 V
≤
V
CM
≤
+4.9 V, T
A
= +25
°
C unless otherwse noted)
Parameter
Symbol
Conditions
Min
T yp
Max
Units
INPUT CHARACT ERIST ICS
Offset Voltage
OP191
V
OS
80
500
1
700
1.25
50
70
8
16
+5
μ
V
mV
μ
V
mV
nA
nA
nA
nA
V
dB
dB
–40
≤
T
A
≤
+125
°
C
OP291/OP491
V
OS
80
–40
≤
T
A
≤
+125
°
C
Input Bias Current
I
B
30
–40
≤
T
A
≤
+125
°
C
Input Offset Current
I
OS
0.1
–40
≤
T
A
≤
+125
°
C
Input Voltage Range
Common-Mode Rejection
–5
75
67
25
CMR
V
CM
=
±
5 V
–40
≤
T
A
≤
+125
°
C
R
L
= 10 k
, V
O
=
±
4.7 V,
–40
≤
T
A
≤
+125
°
C
100
97
70
50
1.1
100
20
Large Signal Voltage Gain
A
VO
V/mV
μ
V/
°
C
pA/
°
C
pA/
°
C
Offset Voltage Drift
Bias Current Drift
Offset Current Drift
V
OS
/
T
I
B
/
T
I
OS
/
T
OUT PUT CHARACT ERIST ICS
Output Voltage Swing
V
O
R
L
= 100 k
to GND
–40
°
C to +125
°
C
R
L
= 2 k
to GND
–40
≤
T
A
≤
+125
°
C
Sink/Source
–40
°
C to +125
°
C
f = 1 MHz, A
V
= 1
±
4.93
±
4.90
±
4.80
±
4.65
±
8.75
±
6
±
4.99
±
4.98
±
4.95
±
4.75
±
16
±
13
200
V
V
V
V
mA
mA
Short Circuit Limit
I
SC
Open Loop Impedance
Z
OUT
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
V
S
=
±
5 V
–40
≤
T
A
≤
+125
°
C
V
O
= 0 V
–40
≤
T
A
≤
+125
°
C
80
70
110
100
260
390
dB
dB
μ
A
μ
A
Supply Current/Amplifier
I
SY
420
550
DYNAMIC PERFORMANCE
Slew Rate
Full-Power Bandwidth
Settling T ime
Gain Bandwidth Product
Phase Margin
Channel Separation
±
SR
BW
P
t
S
GBP
θ
O
CS
R
L
=10 k
1% Distortion
T o 0.01%
0.5
1.2
22
3
45
145
V/
μ
s
kHz
μ
s
MHz
Degrees
dB
f = 1 kHz
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
Current Noise Density
e
n
p-p
e
n
i
n
0.1 Hz to 10 Hz
f = 1 kHz
2
35
0.8
μ
V p-p
nV/
√
Hz
pA/
√
Hz
Specifications subject to change without notice.
REV. 0
10
100
0%
90
5V
V
S
=
±
5V
R
L
= 2k
A
V
= +1
VI
N
= 20Vp-p
200μs
5V
INPUT
OUTPUT
Figure 1. Input and Output with Inputs Overdriven by 5 V
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