參數(shù)資料
型號(hào)： OP191
廠商： Analog Devices, Inc.
英文描述： Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
中文描述： 微功耗單電源軌到軌輸入/輸出運(yùn)算放大器
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 479K
代理商： OP191
OP191/OP291/OP491–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Conditions
Min
T yp
Max
Units
INPUT CHARACT ERIST ICS
Offset Voltage
OP191G
V
OS
80
500
1
700
1.25
50
70
8
16
3
μ
V
mV
μ
V
mV
nA
nA
nA
nA
V
dB
dB
V/mV
V/mV
μ
V/
°
C
pA/
°
C
pA/
°
C
–40
≤
T
A
≤
+125
°
C
OP291/OP491G
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 Ratio
0
70
65
25
CMRR
V
CM
= 0 V to 2.9 V
–40
≤
T
A
≤
+125
°
C
R
L
= 10 k
, V
O
= 0.3 V to 2.7 V
–40
≤
T
A
≤
+125
°
C
90
87
70
50
1.1
100
20
Large Signal Voltage Gain
A
VO
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 High
V
OH
R
L
= 100 k
to GND
–40
°
C to +125
°
C
R
L
= 2 k
to GND
–40
°
C to +125
°
C
R
L
= 100 k
to V+
–40
°
C to +125
°
C
R
L
= 2 k
to V+
–40
°
C to +125
°
C
Sink/Source
–40
°
C to +125
°
C
f = 1 MHz, A
V
= 1
2.95
2.90
2.8
2.70
2.99
2.98
2.9
2.8
4.5
V
V
V
V
mV
mV
mV
mV
mA
mA
Output Voltage Low
V
OL
10
35
75
130
40
Short Circuit Limit
I
SC
±
8.75
±
6.0
±
13.5
±
10.5
200
Open Loop Impedance
Z
OUT
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
V
S
= 2.7 V to 12 V
–40
°
C
≤
T
A
≤
+125
°
C
V
O
= 0 V
–40
°
C
≤
T
A
≤
+125
°
C
80
75
110
110
200
330
dB
dB
μ
A
μ
A
Supply Current/Amplifier
I
SY
350
480
DYNAMIC PERFORMANCE
Slew Rate
Slew Rate
Full-Power Bandwidth
Settling T ime
Gain Bandwidth Product
Phase Margin
Channel Separation
+SR
–SR
BW
P
t
S
GBP
θ
O
CS
R
L
= 10 k
R
L
= 10 k
1% Distortion
T o 0.01%
0.4
0.4
1.2
22
3
45
145
V/
μ
s
V/
μ
s
kHz
μ
s
MHz
Degrees
dB
f = 1 kHz, R
L
= 10 k
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.
(@ V
S
= +3.0 V, V
CM
= 0.1 V, V
O
= 1.4 V, T
A
= +25
°
C unless otherwse noted)
REV. 0
–2–
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