(408) 432-1900
參數(shù)資料
型號: LT1012AIS8#PBF
廠商: Linear Technology
文件頁數(shù): 13/20頁
文件大?。?/td> 0K
描述: IC OP AMP PREC UNIVERSAL 8-SOIC
標準包裝: 100
放大器類型: 通用
電路數(shù): 1
轉(zhuǎn)換速率: 0.2 V/µs
電流 - 輸入偏壓: 25pA
電壓 - 輸入偏移: 8µV
電流 - 電源: 380µA
電壓 - 電源,單路/雙路(±): 2.4 V ~ 40 V,±1.2 V ~ 20 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應商設備封裝: 8-SO
包裝: 管件
20
LT1012A/LT1012
sn1012 1012afbs
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
LW/TP 1202 1K REV B PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 1991
Kelvin-Sensed Platinum Temperature Sensor Amplifier
U
TYPICAL APPLICATIO
5k*
–15V
20V
2
3
4
–15V
6
7
+
LT1012
* = WIRE WOUND RESISTORS
ALL OTHER RESISTORS ARE 1% METAL FILM
TRIM R2 AT 0
°C FOR V0 = 0V
TRIM R3 AT 100
°C FOR V0 = 10V
TRIM R4 AT 50
°C FOR V0 = 5V
IN THE ORDER INDICATED
POSITIVE FEEDBACK (R1) LINEARIZES THE
INHERENT PARABOLIC NONLINEARITY OF
THE PLATINUM SENSOR AND REDUCES
ERRORS FROM 1.2
°C TO 0.004°C OVER
THE – 50
°C TO 150°C RANGE
LT1012A TA04
R2
100k
10M
10V
REFERENCE
LT1021-10
235k*
392k*
ROSEMOUNT
78S
OR
EQUIVALENT
RS
5k
R1
182k
RF*
654k
6.65M
R3
1k
R4
5k
10k
24.3k
4.75k
200k
619k
100
AT
0
°C
VOUT = 100mV/°C
–50
°C TO 150°C
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