參數(shù)資料
型號： LT1021DCS8-5
廠商： LINEAR TECHNOLOGY CORP
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Precision Reference
中文描述： 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO8
封裝： 0.150 INCH, PLASTIC, SOP-8
文件頁數(shù)： 13/16頁
文件大?。?/td> 227K
代理商： LT1021DCS8-5
13
LT1021
TYPICAL APPLICATIO
N
S
Precision DAC Reference with System TC Trim
Strain Gauge Conditioner for 350
Bridge
Negative Shunt Reference Driven
by Current Source
LT1021-10
OUT
IN
GND
1021 TA17
15V
8.87k
1%
1.24k
1%
10k
1%
D1
1N457
50k
TC TRIM*
10k
1%
D2
1N457
50k
200k
1%
50k
ROOM TEMP
TRIM
10.36k
1%
8.45k
1mA
TRIMS 1mA REFERENCE CURRENT
TC BY
±
40ppm/
°
C. THIS TRIM SCHEME HAS
VERY LITTLE EFFECT ON ROOM TEMPERATURE
CURRENT TO MINIMIZE ITERATIVE TRIMMING
*
DAC
Handling Higher Load Currents
LT1021-10
OUT
GND
IN
1021 TA08
R
L
30mA
15V
R1*
169
V
10V
TYPICAL LOAD
CURRENT = 30mA
SELECT R1 TO DELIVER TYPICAL LOAD CURRENT.
LT1021 WILL THEN SOURCE OR SINK AS NECESSARY
TO MAINTAIN PROPER OUTPUT. DO NOT REMOVE LOAD
AS OUTPUT WILL BE DRIVEN UNREGULATED HIGH. LINE
REGULATION IS DEGRADED IN THIS APPLICATION
*
LT1021-10
OUT
IN
GND
1021 TA09
–
+
–
+
LM301A
100pF
8
1
6
6
3
2
–5V
357
1/2W
–15V
R5
2M
R6*
2M
LT1012C
2
3
R4
20k
R2
20k
5V
R3
2M
V
OUT
×
100
350
STRAIN
GAUGE BRIDGE**
28mA
28.5mA
R1
357
1/2W
15V
THIS RESISTOR PROVIDES POSITIVE FEEDBACK TO
THE BRIDGE TO ELIMINATE LOADING EFFECT OF
THE AMPLIFIER. EFFECTIVE Z
OF AMPLIFIER
STAGE IS
≥
1M
. IF R2 TO R5 ARE CHANGED,
SET R6 = R3
*
BRIDGE IS ULTRALINEAR WHEN ALL LEGS ARE
ACTIVE, TWO IN COMPRESSION AND TWO IN TENSION,
OR WHEN ONE SIDE IS ACTIVE WITH ONE COMPRESSED
AND ONE TENSIONED LEG
OFFSET AND DRIFT OF LM301A ARE VIRTUALLY
ELIMINATED BY DIFFERENTIAL CONNECTION OF LT1012C
**
LT1021-10
OUT
GND
1021 TA14
2.5mA
–10V (I
LOAD
≤
1mA)
–11V TO –40V
27
LM334
相關(guān)PDF資料
PDF描述
LT1021DCS8-7 Precision Reference
LT1021-5 Precision Reference
LT1021-7 Precision Reference
LT1021CMH-5 Precision Reference
LT1021DIN8-5 Precision Reference
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1021DCS8-5#PBF 功能描述:IC VREF SERIES BURIED ZNR 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 基準(zhǔn)類型:旁路，精度 輸出電壓:3V 容差:±0.5% 溫度系數(shù):100ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:82µA 電流 - 靜態(tài):- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-TSSOP（5 引線），SC-88A，SOT-353 供應(yīng)商設(shè)備封裝:SC-70-5 包裝:帶卷 (TR) 其它名稱:296-20888-2
LT1021DCS8-5#TR 功能描述:IC VREF SERIES BURIED ZNR 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 基準(zhǔn)類型:旁路，可調(diào)節(jié)，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數(shù):- 輸入電壓:1.24 V ~ 16 V 通道數(shù):1 電流 - 陰極:100µA 電流 - 靜態(tài):- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應(yīng)商設(shè)備封裝:TO-92-3 包裝:帶卷 (TR)
LT1021DCS8-5#TRPBF 功能描述:IC VREF SERIES BURIED ZNR 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 基準(zhǔn)類型:旁路，可調(diào)節(jié)，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數(shù):- 輸入電壓:1.24 V ~ 16 V 通道數(shù):1 電流 - 陰極:100µA 電流 - 靜態(tài):- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應(yīng)商設(shè)備封裝:TO-92-3 包裝:帶卷 (TR)
LT1021DCS8-5PBF 制造商:Linear Technology 功能描述:Voltage Reference Prec. 5V 10mA SOIC8
LT1021DCS8-5TR 制造商:Linear Technology 功能描述:Voltage Reference, Fixed, 5V, 8 Pin, Plastic, SOP
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