參數(shù)資料
型號: LT1490IN8
元件分類: 運(yùn)算放大器
英文描述: Voltage-Feedback Operational Amplifier
中文描述: 電壓反饋運(yùn)算放大器
文件頁數(shù): 3/12頁
文件大?。?/td> 251K
代理商: LT1490IN8
3
LT1490/LT1491
SYMBOL
e
n
i
n
R
IN
PARAMETER
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
CONDITIONS
f = 1kHz
f = 1kHz
Differential
Common Mode, V
CM
= 0V to 44V
MIN
TYP
50
0.03
17
11
4.6
MAX
UNITS
nV/
Hz
pA/
Hz
M
M
6
4
C
IN
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
(Note 4)
Large-Signal Voltage Gain
pF
V
dB
dB
G
0
44
CMRR
V
CM
= 0V to V
CC
– 1V
V
CM
= 0V to 44V
V
S
= 3V, V
O
= 500mV to 2.5V, R
L
= 10k
0
°
C
T
A
70
°
C
–40
°
C
T
A
85
°
C
V
S
= 5V, V
O
= 500mV to 4.5V, R
L
= 10k
0
°
C
T
A
70
°
C
–40
°
C
T
A
85
°
C
V
S
= 3V, No Load
V
S
= 3V, I
SINK
= 5mA
V
S
= 5V, No Load
V
S
= 5V, I
SINK
= 5mA
V
S
= 5V, I
SINK
= 10mA
V
S
= 3V, No Load
V
S
= 3V, I
SOURCE
= 5mA
V
S
= 5V, No Load
V
S
= 5V, I
SOURCE
= 10mA
V
S
= 3V, Short to GND
V
S
= 3V, Short to V
CC
V
S
= 5V, Short to GND
V
S
= 5V, Short to V
CC
V
S
= 2.5V to 12.5V, V
CM
= V
O
= 1V
G
G
84
80
200
133
100
400
250
200
98
98
1500
A
VOL
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
mV
mV
mV
mV
mV
G
G
1500
G
G
V
OL
Output Voltage Swing Low
G
G
22
250
22
250
330
50
450
50
500
500
G
G
V
OH
Output Voltage Swing High
G
G
2.95
2.55
4.95
4.30
10
10
15
15
84
2.978
2.6
4.978
4.6
15
30
25
30
98
2
27
40
V
V
V
V
G
G
I
SC
Short-Circuit Current (Note 2)
mA
mA
mA
mA
dB
PSRR
Power Supply Rejection Ratio
Minimum Operating Supply Voltage
Reverse Supply Voltage
Supply Current per Amplifier
(Note 5)
Gain Bandwidth Product
(Note 4)
G
G
2.5
V
V
I
S
= –100
μ
A per Amplifier
G
18
I
S
50
55
μ
A
μ
A
kHz
kHz
kHz
V/
μ
s
V/
μ
s
V/
μ
s
G
GBW
f = 1kHz
0
°
C
T
A
70
°
C
–40
°
C
T
A
85
°
C
A
V
= –1, R
L
=
0
°
C
T
A
70
°
C
–40
°
C
T
A
85
°
C
110
100
90
0.035
0.031
0.030
180
G
G
SR
Slew Rate
(Note 6)
0.06
G
G
ELECTRICAL CHARACTERISTICS
range, otherwise specifications are at T
A
= 25
°
C. V
S
= 3V, 0V; V
S
= 5V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted. (Note 3)
The
G
denotes specifications which apply over the full operating temperature
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