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參數(shù)資料
| 型號： | LT1013 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual Precision Op Amp(雙路精密運算放大器) |
| 中文描述： | 精密雙運算放大器（雙路精密運算放大器） |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 448K |
| 代理商： | LT1013 |
7
LT1013/LT1014
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
Voltage Gain vs Frequency
FREQUENCY (Hz)
0.01 0.1
V
1M 10M
1
10
100 1k
10k 100k
140
120
100
80
60
40
20
0
–20
V
S
=
±
15V
V
S
= 5V, 0V
T
A
= 25
°
C
C
L
= 100pF
LOAD RESISTANCE TO GROUND (
)
100
100k
V
1M
10M
1k
10k
V
O
= 20mV TO 3.5V
WITH V
S
= 5V, 0V
T
A
= 25
°
C, V
S
=
±
15V
T
A
= –55
°
C, V
S
=
±
15V
T
A
= 125
°
C, V
S
=
±
15V
T
A
= –55
°
C, V
S
= 5V, 0V
T
A
= 25
°
C, V
S
= 5V, 0V
T
A
= 125
°
C, V
S
= 5V, 0V
V
O
=
±
10V WITH V
S
=
±
15V
Output Short Circuit Current
vs Time
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
0
S
S
1
2
40
30
20
10
0
–10
–20
–30
–40
3
–55
°
C
25
°
C
25
°
C
125
°
C
125
°
C
–55
°
C
V
S
=
±
15V
Voltage Gain vs Load
Resistance
APPLICATIO
S I
N
FOR
ATIO
U
Single Supply Operation
The LT1013/1014 are fully specified for single supply
operation, i.e., when the negative supply is 0V. Input
common-mode range includes ground; the output swings
within a few millivolts of ground. Single supply operation,
however, can create special difficulties, both at the input
and at the output. The LT1013/LT1014 have specific
circuitry which addresses these problems.
W
U
At the input, the driving signal can fall below 0V— inad-
vertently or on a transient basis. If the input is more than
a few hundred millivolts below ground, two distinct prob-
lems can occur on previous single supply designs, such as
the LM124, LM158, OP-20, OP-21, OP-220, OP-221, OP-
420:
a) When the input is more than a diode drop below ground,
unlimited current will flow from the substrate (V
–
termi-
nal) to the input. This can destroy the unit. On the LT1013/
1014, the 400
resistors, in series with the input (see
schematic diagram), protect the devices even when the
input is 5V below ground.
Gain, Phase vs Frequency
FREQUENCY (MHz)
0.1
0.3
V
20
10
0
–10
P
80
100
120
140
160
180
200
1
3
10
T
A
= 25
°
C
V
CM
= 0V
C
L
= 100pF
PHASE
±
15V
5V, 0V
±
15V
5V, 0V
GAIN
Channel Separation vs
Frequency
FREQUENCY (Hz)
10
C
160
140
120
100
80
60
100k
100
1k
10k
1M
LIMITED BY
THERMAL
INTERACTION
R
S
= 1k
R
S
= 100
V
S
=
±
15V
T
A
= 25
°
C
V
IN
= 20Vp-p to 5kHz
R
L
= 2k
LIMITED BY
PIN TO PIN
CAPACITANCE
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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