參數(shù)資料
型號： LT1491IN
元件分類： 運算放大器
英文描述： Voltage-Feedback Operational Amplifier
中文描述： 電壓反饋運算放大器
文件頁數(shù)： 4/12頁
文件大小： 251K
代理商： LT1491IN
LT1490/LT1491
SYMBOL
V
OS
PARAMETER
Input Offset Voltage
CONDITIONS
LT1490 N, S Package
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
LT1491 N Package
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
LT1490CMS8 Package, LT1491 S Package
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
0
°
C
≤
T
A
≤
70
°
C (Note 7)
–40
°
C
≤
T
A
≤
85
°
C (Note 7)
MIN
TYP
250
MAX
1200
1400
1500
1250
1500
1600
1600
1850
1950
6
6
0.8
8
UNITS
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
μ
V
G
G
350
G
G
400
G
G
V
OS
TC
Input Offset Voltage Drift
G
G
3
3
μ
V/
°
C
μ
V/
°
C
I
OS
I
B
Input Offset Current
Input Bias Current
Input Noise Voltage
Input Noise Voltage Density
Input Noise Current Density
Input Resistance
G
0.2
4
1
50
0.03
17
15000
4.6
nA
nA
G
0.1Hz to 10Hz
f = 1kHz
f = 1kHz
Differential
Common Mode, V
CM
= –15V to 14V
μ
V
P-P
nV/
√
Hz
pA/
√
Hz
M
M
e
n
i
n
R
IN
6
C
IN
Input Capacitance
Input Voltage Range
Common Mode Rejection Ratio
Large-Signal Voltage Gain
pF
V
dB
G
–15
80
100
75
50
±
14.9
±
14.5
±
14.5
±
20
±
15
±
10
88
29
CMRR
A
VOL
V
CM
= –15V to 29V
V
O
=
±
14V, R
L
= 10k
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
No Load
I
OUT
=
±
5mA
I
OUT
=
±
10mA
Short to GND
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
V
S
=
±
1.25V to
±
22V
G
98
250
V/mV
V/mV
V/mV
G
G
V
O
Output Voltage Swing
G
G
±
14.978
±
14.750
±
14.670
±
25
V
V
V
I
SC
Short-Circuit Current (Note 2)
mA
mA
mA
dB
μ
A
μ
A
kHz
kHz
kHz
V/
μ
s
G
G
PSRR
I
S
Power Supply Rejection Ratio
Supply Current per Amplifier
G
98
50
70
85
G
GBW
Gain Bandwidth Product
f = 1kHz
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
A
V
= –1, R
L
=
∞,
V
O
=
±
10V,
Measure at V
O
=
±
5V
0
°
C
≤
T
A
≤
70
°
C
–40
°
C
≤
T
A
≤
85
°
C
125
110
100
0.0375
200
G
G
SR
Slew Rate
0.07
G
G
0.0330
0.0300
V/
μ
s
V/
μ
s
Note 1:
Absolute Maximum Ratings are those values beyond which the
life of the device may be impaired.
Note 2:
A heat sink may be required to keep the junction temperature
below absolute maximum. This depends on the power supply voltage
and how many amplifiers are shorted.
Note 3:
The LT1490C/LT1491C are guaranteed to meet specified
performance from 0
°
C to 70
°
C. The LT1490C/LT1491C are designed,
characterized and expected to meet specified performance from –40
°
C
to 85
°
C but are not tested or QA sampled at these temperatures.
The LT1490I/LT1491I are guaranteed to meet specified performance from
–40
°
C to 85
°
C.
Note 4:
V
S
= 5V limits are guaranteed by correlation to V
S
= 3V and
V
S
=
±
15V tests.
Note 5:
V
S
= 3V limits are guaranteed by correlation to V
S
= 5V and
V
S
=
±
15V tests.
Note 6:
Guaranteed by correlation to slew rate at V
S
=
±
15V and GBW
at V
S
= 3V and V
S
=
±
15V tests.
Note 7:
This parameter is not 100% tested.
ELECTRICAL CHARACTERISTICS
range, otherwise specifications are at T
A
= 25
°
C. V
S
=
±
15V, V
CM
= 0V, V
OUT
= 0V, unless otherwise noted. (Note 3)
The
G
denotes specifications which apply over the full operating temperature
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LT1491IS 功能描述:IC OP-AMP R-R IN/OUT QUAD 14SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:Over-The-Top® 標準包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件
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