參數資料
型號: OPA445AU
元件分類: 運算放大器
英文描述: High Voltage FET-Input OPERATIONAL AMPLIFIER
中文描述: 高電壓FET輸入運算放大器
文件頁數: 4/11頁
文件大?。?/td> 131K
代理商: OPA445AU
4
OPA445
TYPICAL PERFORMANCE CURVES
At T
A
= +25
°
C, V
S
=
±
40V, unless otherwise noted.
–75
0
Temperature (°C)
–50
–25
25
75
100
125
0.01pA
100nA
10nA
1nA
100pA
10pA
1pA
0.1pA
I
INPUT BIAS CURRENT
vs TEMPERATURE
50
10
1k
100
10k
1M
10M
Frequency (Hz)
0
140
120
100
80
60
40
20
V
OPEN-LOOP GAIN AND PHASE
vs FREQUENCY
100k
Gain
θ
–185
–45
–90
–135
P
GBW
–75
0
–50
–25
25
75
100
125
Ambient Temperature (°C)
1.4
2.6
2.4
2.2
2.0
1.8
1.6
G
GAIN BANDWIDTH AND SLEW RATE
vs TEMPERATURE
SR
10
16
15
14
13
12
11
50
S
GBW
10
20
30
40
50
Supply Voltage (±V
S
)
1.6
2.2
2.0
1.8
G
GAIN BANDWIDTH AND SLEW RATE
vs SUPPLY VOLTAGE
S
SR
13
19
17
15
10
20
30
40
50
Supply Voltage (±V
S
)
125
120
115
110
105
100
95
V
OPEN-LOOP GAIN AND SUPPLY CURRENT
vs SUPPLY VOLTAGE
S
A
VOL
3.0
4.5
4.0
3.5
I
Q
–50
–40
–30
–20
Common-Mode Voltage (V)
–10
–I
B
+I
B
0
10
20
30
40
50
40
35
30
25
20
15
10
5
0
B
INPUT BIAS CURRENT
vs COMMON-MODE VOLTAGE
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