參數(shù)資料
型號: LT1498IS8
元件分類: 運(yùn)算放大器
英文描述: Operational Amplifier
中文描述: 運(yùn)算放大器
文件頁數(shù): 7/12頁
文件大?。?/td> 251K
代理商: LT1498IS8
7
LT1490/LT1491
Open-Loop Gain
Large-Signal Response
Small-Signal Response
OUTPUT VOLTAGE (5V/DIV)
–10V
0V
10V
1490/91 G25
C
(
μ
V
V
S
=
±
15V
1490/91 G26
1490/91 G27
R
L
= 2k
R
L
= 50k
Undistorted Output Swing
vs Frequency
Settling Time to 0.1%
vs Output Step
Capacitive Load Handling,
Overshoot vs Capacitive Load
Total Harmonic Distortion + Noise
vs Frequency
Total Harmonic Distortion + Noise
vs Load Resistance
FREQUENCY (kHz)
0.1
20
O
P
)
25
30
35
1
10
100
1490/91 G19
15
10
5
0
DISTORTION
1%
V
S
=
±
15V
V
S
=
±
2.5V
SETTLING TIME (
μ
s)
0
–10
O
–8
–4
–2
0
10
4
40
80
100
1490/91 F20
–6
6
8
2
20
60
120 140
160
V
S
=
±
15V
A
V
= –1
A
V
= –1
A
V
= 1
A
V
= 1
FREQUENCY (kHz)
0.01
T
0.1
1
10
0.01
1
10
1490/91 G22
0.001
0.1
V
S
= 3V, 0V
V
OUT
= 2V
P-P
V
CM
= 1.2V
R
L
= 50k
A
V
= –1
A
V
= 1
LOAD RESISTANCE TO GROUND (k
)
0.01
T
0.1
1
10
0.1
10
100
1490/91 G23
0.001
1
V
S
= 3V TOTAL
A
V
= 1
V
IN
= 2V
P-P
AT 1kHz
V
S
=
±
1.5V
V
IN
=
±
1V
V
S
= 3V, 0V
V
IN
= 0.5V TO 2.5V
V
S
= 3V, 0V
V
IN
= 0.2V TO 2.2V
OUTPUT VOLTAGE (V
P-P
)
0.01
T
1
10
0
2
3
1490/91 G24
0.001
1
0.1
R
L
= 10k
V
= HALF SUPPLY
f = 1kHz
A
V
= 1
V
S
= 3V, 0V
A
= –1
V
S
= 3V, 0V
A
V
= –1
V
S
=
±
1.5V
A
V
= 1
V
S
=
±
1.5V
Total Harmonic Distortion + Noise
vs Output Voltage
R
L
= 10k
V
S
=
±
15V
A
V
= –1
V
S
=
±
15V
A
V
= 1
CAPACITIVE LOAD (pF)
20
O
40
60
50
80
100
10
30
70
90
10
100
1000
10000
1490/91 G21
0
V
S
= 5V, 0V
I
SOURCE
= 170
μ
A
A
V
= 1
A
V
= 2
A
V
= 5
A
V
= 10
TYPICAL PERFOR U
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