參數(shù)資料
型號: AD549L
廠商: Analog Devices, Inc.
英文描述: Ultralow Input Bias Current Operational Amplifier
中文描述: 超低輸入偏置電流運算放大器
文件頁數(shù): 4/12頁
文件大小: 418K
代理商: AD549L
AD549–Typical Characteristics
SUPPLY VOLTAGE
±
V
I
±
20
15
10
5
00 5 10 15 20
+V
IN
–V
IN
Figure 1. Input Voltage Range
vs. Supply Voltage
SUPPLY VOLTAGE
±
V
800
700
600
500
400
A
0 5 10 15 20
Figure 4. Quiescent Current
vs. Supply Voltage
TEMPERATURE –
°
C
3000
O
–55 –25 5 35 65 95 125
1000
300
100
Figure 7. Open-Loop Gain vs.
Temperature
SUPPLY VOLTAGE
±
V
20
15
10
5
0
O
±
0 5 10 15 20
+V
OUT
–V
OUT
+25
°
C
R
L
= 10k
Figure 2. Output Voltage
Swing vs. Supply Voltage
INPUT COMMON-MODE VOLTAGE – V
Figure 5. CMRR vs. Input
Common-Mode Voltage
120
100
90
80
70
C
–15 –10 0 +10 +15
110
WARM-UP TIME – Minutes
Figure 8. Change in Offset
Voltage vs. Warm-Up Time
30
|
O
|
0 1 2 3 4 5 6 7
25
20
15
10
5
0
LOAD RESISTANCE –
30
25
20
10
0
10 100 1k 10k 100k
5
15
O
V
S
=
±
15 VOLTS
Figure 3. Output Voltage
Swing vs. Load Resistance
SUPPLY VOLTAGE
±
V
3000
O
0 5 10 15 20
1000
300
100
Figure 6. Open-Loop Gain vs.
Supply Voltage
COMMON-MODE VOLTAGE
±
V
Figure 9. Input Bias Current
vs. Common-Mode Voltage
50
I
–10 –5 0 5 10
40
35
20
30
25
45
REV. A
–4–
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