參數(shù)資料
型號: op491
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): 11/20頁
文件大小: 487K
代理商: OP491
OP191/OP291/OP491
REV. 0
–11–
160
100
60
1k
10k
100k
1M
10M
80
100
120
140
–20
0
20
40
CMRR
V
S
=
±
5V
T
A
= +25
°
C
FREQUENCY – Hz
–40
C
Figure 47. CMRR vs. Frequency,
V
S
=
±
5 V
P
V
S
=
±
5V
TEMPERATURE –
°
C
115
90
125
105
95
25
100
–40
110
85
OP491
OP291
Figure 50. OP291/OP491 PSRR vs.
Temperature, V
S
=
±
5 V
TEMPERATURE –
°
C
V
S
=
±
5V
102
92
125
95
93
25
94
–40
98
96
97
99
100
101
85
C
Figure 48. CMRR vs. Temperature,
V
S
=
±
5 V
V
S
=
±
5V
TEMPERATURE –
°
C
0.7
0
125
0.3
0.1
25
0.2
–40
0.6
0.4
0.5
85
+SR
–SR
S
Figure 51. Slew Rate vs.
Temperature, V
S
=
±
5 V
160
100
60
–40
1k
10k
100k
1M
10M
80
100
120
140
–20
0
20
40
+PSRR
–PSRR
±
PSRR
V
S
=
±
5V
T
A
= +25
°
C
P
FREQUENCY – Hz
Figure 49. PSRR vs. Frequency,
V
S
=
±
5 V
1k
500
0
100
1k
10M
1M
100k
10k
600
700
800
900
100
200
300
400
V
S
= +3V
T
A
= +25
°
C
A
VCL
= 100
A
VCL
= 10
A
VCL
= +1
FREQUENCY – Hz
Z
O
Figure 52. Output Impedance vs.
Frequency
10
100
0%
90
100mV
1.00V
2.00μs
2.00V
V
S
=
±
5V
R
L
= 200k
A
V
= +1V/V
INPUT
OUTPUT
Figure 54. Large Signal Transient
Response, V
S
=
±
5 V
10
100
0%
90
100mV
500mV
1.00V
V
S
= +3V
R
L
= 200k
2.00μs
INPUT
OUTPUT
Figure 53. Large Signal Transient
Response, V
S
= +3 V
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