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參數(shù)資料
| 型號(hào)： | LT1025CS8#TRPBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPENSATR THERM MCRPWR 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 熱電偶調(diào)節(jié)器 |
| 輸入類型： | 電壓 |
| 輸出類型： | 電壓 |
| 電流 - 電源： | 150µA |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
1
LT1025
1025fb
DESCRIPTIO
U
APPLICATIO S
U
s
80
A Supply Current
s
4V to 36V Operation
s
0.5
°C Initial Accuracy (A Version)
s
Compatible with Standard Thermocouples
(E, J, K, R, S, T)
s
Auxiliary 10mV/
°C Output
s
Available in 8-Lead PDIP and SO Packages
s
Thermocouple Cold Junction Compensator
s
Centigrade Thermometer
s
Temperature Compensation Network
Micropower Thermocouple
Cold Junction Compensator
Type K 10mV/
°C Thermometer
The LT
1025 is a micropower thermocouple cold junction
compensator for use with type E, J, K, R, S, and T
thermocouples. It utilizes wafer level and post-package
trimming to achieve 0.5
°C initial accuracy. Special curvature
correction circuitry is used to match the “bow” found in all
thermocouples so that accurate cold junction compensation
is maintained over a wider temperature range.
TheLT1025willoperatewithasupplyvoltagefrom4Vto36V.
Typical supply current is 80
A, resulting in less than 0.1°C
internal temperature rise for supply voltages under 10V.
A 10mV/
°C output is available at low impedance, in addition
to the direct thermocouple voltages of 60.9
V/°C (E),
51.7
V/°C (J), 40.3V/°C (K, T) and 5.95V/°C (R, S). All
outputs are essentially independent of power supply voltage.
A special kit is available (LTK001) which contains an LT1025
and a custom tailored thermocouple amplifier. The amplifier
and compensator are matched to allow a much tighter specifi-
cation of temperature error than would be obtained by adding
the compensator and amplifier errors on a worst-case basis.
The amplifier from this kit is available separately as LTKA0x.
The LT1025 is available in either an 8-pin PDIP or 8-pin SO
package for temperatures between 0
°C and 70°C.
–
+
BOW*
CORRECTION
VOLTAGE
BUFFER
VIN
GND
E 60.9
V/°C
V0 10mV/°C
R– COMMON
J 51.7
V/°C
K,T 40.6
V/°C
R, S 6
V/°C
10mV/
°C
TEMPERATURE
SENSOR
*CORRECTS FOR BOW
IN
COLD JUNCTION, NOT
IN PROBE (HOT JUNCTION)
LT1025 BD01
+
–
LTKA0x
TYPE K
R4*
V+
R1
1k
1%
C2
0.1
F
C1
0.1
F
–+
R2
100
FULL-SCALE TRIM
VOUT
10mV/
°C
R3**
255k
1%
V–
30
A
V–
GND R–
VO
K
LT1025
*R4
≤
, R4 IS NOT REQUIRED
(OPEN) FOR LT1025 TEMPERATURES
≥ 0°C
**SELECTED FOR 0
°C TO 100°C RANGE
OR EQUIVALENT. SEE
“AMPLIFIER CONSIDERATIONS”
VIN
LT1025 TA01
FEATURES
, LTC and LT are registered trademarks of Linear Technology Corporation.
BLOCK DIAGRA
W
TYPICAL APPLICATIO
U
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| LT1025MJ8 | 制造商:Linear Technology 功能描述:Micropower Thermocouple Cold Junction Compensator 8-Pin CDIP |
| LT1026CN8 | 功能描述:IC REG SWITCHED CAP DBL INV 8DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 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） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
| LT1026CN8#PBF | 功能描述:IC REG SWITCHED CAP DBL INV 8DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁(yè)面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LT1026CN8#PBF | 制造商:Linear Technology 功能描述:DC/DC Charge Pump Converter IC |
| LT1026CS8 | 功能描述:IC REG SWITCHD CAP DBL INV 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 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） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
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