參數(shù)資料
型號: LT1991ACDD
廠商: Linear Integrated Systems
英文描述: nullPrecision, 100UA Gain Selectable Amplifier
中文描述: nullPrecision,100uA的可選增益放大器
文件頁數(shù): 7/24頁
文件大小: 303K
代理商: LT1991ACDD
LT1991
7
1991fb
BLOCK DIAGRA
PIU
P1 (Pin 1):
Noninverting Gain-of-1 input. Connects a 450k
internal resistor to the op amp’s noninverting input.
P3 (Pin 2):
Noninverting Gain-of-3 input. Connects a 150k
internal resistor to the op amp’s noninverting input.
P9 (Pin 3):
Noninverting Gain-of-9 input. Connects a 50k
internal resistor to the op amp’s noninverting input.
V
EE
(Pin 4):
Negative Power Supply. Can be either ground
(in single supply applications), or a negative voltage (in
split supply applications).
REF (Pin 5):
Reference Input. Sets the output level when
difference between inputs is zero. Connects a 450k inter-
nal resistor to the op amp’s noninverting input.
OUT (Pin 6):
Output. V
OUT
= V
REF
+ 1 (V
P1
– V
M1
) + 3
(V
P3
– V
M3
) + 9 (V
P9
– V
M9
).
V
CC
(Pin 7):
Positive Power Supply. Can be anything from
2.7V to 36V above the V
EE
voltage.
M9 (Pin 8):
Inverting Gain-of-9 input. Connects a 50k
internal resistor to the op amp’s inverting input.
M3 (Pin 9):
Inverting Gain-of-3 input. Connects a 150k
internal resistor to the op amp’s inverting input.
M1 (Pin 10):
Inverting Gain-of-1 input. Connects a 450k
internal resistor to the op amp’s inverting input.
Exposed Pad:
Must be soldered to PCB.
(Difference Amplifier Configuration)
Small Signal Transient Response
Small Signal Transient Response
Small Signal Transient Response
TYPICAL PERFOR U
50mV/DIV
5
μ
s/DIV
GAIN = 1
1991 G18
50mV/DIV
5
μ
s/DIV
1991 G19
GAIN = 3
50mV/DIV
5
μ
s/DIV
GAIN = 9
1991 G20
LT1991
1991 BD
9
8
2
3
4
5
7
6
10
1
M1
M3
M9
P1
P3
P9
V
CC
V
EE
OUT
REF
50k
50k
150k
150k
450k
450k
450k
450k
INM
INP
OUT
4pF
4pF
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參數(shù)描述
LT1991ACDD#PBF 功能描述:IC AMP PREC GAIN SELECT 10-DFN RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源,單路/雙路(±):1.8 V ~ 5.25 V,±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP,10-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件
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LT1991ACDD-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Precision, 100μA Gain Selectable Amplifi er
LT1991ACDD-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Precision, 100μA Gain Selectable Amplifi er
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