LTK001AMJ8 datasheet, PDF - EEWORLD Datasheet

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LTK001AMJ8: DescriptionSPECIALTY ANALOG CIRCUIT, CDIP8; CategoryAnalog mixed-signal IC The signal circuit; File Size99KB，8 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTK001AMJ8 Overview

SPECIALTY ANALOG CIRCUIT, CDIP8

LTK001AMJ8 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	DIP
package instruction	DIP,
Contacts	8
Reach Compliance Code	unknow
ECCN code	EAR99
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	R-GDIP-T8
JESD-609 code	e0
Number of functions	1
Number of terminals	8
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Package body material	CERAMIC, GLASS-SEALED
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Certification status	Not Qualified
Maximum seat height	5.08 mm
Maximum supply voltage (Vsup)	36 V
Minimum supply voltage (Vsup)	4 V
Nominal supply voltage (Vsup)	5 V
surface mount	NO
Temperature level	MILITARY
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	7.62 mm

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LTK001

Thermocouple Cold Junction

Compensator and

Matched Amplifier

FEATURES

■

0.75°C Initial Accuracy (A Version)

Extremely Low Warmup Drift

Preset Outputs for Type E, J, K, R, S, T

Single 5V to

20V Operation

480µA Typical Supply Current

Available in 8-Pin DIP Package

thermocouple applications. It has low supply current to

minimize warmup drift, very low offset voltage (<35µV),

high gain, and extremely low input bias currents (<600pA)

to allow high impedance input filters to be used without

degrading offset voltage or drift.

Matching of the kits is accomplished by separating the

compensators and amplifiers according to the polarity of

their initial (room temperature) errors. This eliminates the

need to sum the errors of the two components to find the

worst-case error.

The LTK001 has direct thermocouple outputs of

60.9µV/°C (E), 51.7µV/°C (J), 40.6µV/°C (K, T), and

5.95µV/°C (R, S). It also has a 10mV/°C output which can

be scaled to match any arbitrary thermocouple.

For multiple thermocouple applications using one com-

pensator, amplifiers may be ordered separately (LTKA0x),

still matched to the compensator.

, LTC and LT are registered trademarks of Linear Technology Corporation. All other

trademarks are the property of their respective owners. For typical performance curves and

applications circuits consult the LT1025 data sheet.

APPLICATIO S

■

Thermocouple Cold Junction Compensation

DESCRIPTIO

The LTK001 is a thermocouple amplifier supplied with a

matched cold junction compensator. By separating the

amplifier and compensator functions, the problem of

compensator temperature rise is virtually eliminated. The

compensator is a selected version of the LT

1025 cold

junction compensator. The amplifier, which is also avail-

able separately as LTKA0x has been specially selected for

TYPICAL APPLICATIO

V+

LT1025

GND

100Ω

FULL-SCALE TRIM

Type K 10mV/°C Thermometer

R3**

255k

0.1µF

V+

–

LTKA0x

–

0.1µF

V–

OUT

10mV/°C

R–

TYPE K

R4*

–

*R4

≤

V , R4 IS NOT REQUIRED (OPEN) FOR

30µA

LT1025 TEMPERATURES

≥

0°C.

**SELECTED FOR 0°C–100°C RANGE

LTK001 TA01

V–

001fa

LTK001AMJ8 Related Products

	LTK001AMJ8	LTKA00MH	LTKA01MH
Description	SPECIALTY ANALOG CIRCUIT, CDIP8	SPECIALTY ANALOG CIRCUIT, CDIP8	SPECIALTY ANALOG CIRCUIT, MBCY8
Is it Rohs certified?	incompatible	incompatible	incompatible
Maker	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	DIP	TO-5	TO-5
package instruction	DIP,	TO-5,	TO-5,
Contacts	8	8	8
Reach Compliance Code	unknow	unknow	unknow
ECCN code	EAR99	EAR99	EAR99
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	R-GDIP-T8	O-MBCY-W8	O-MBCY-W8
JESD-609 code	e0	e0	e0
Number of functions	1	1	1
Number of terminals	8	8	8
Maximum operating temperature	125 °C	125 °C	125 °C
Minimum operating temperature	-55 °C	-55 °C	-55 °C
Package body material	CERAMIC, GLASS-SEALED	METAL	METAL
encapsulated code	DIP	TO-5	TO-5
Package shape	RECTANGULAR	ROUND	ROUND
Package form	IN-LINE	CYLINDRICAL	CYLINDRICAL
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum supply voltage (Vsup)	36 V	20 V	20 V
Minimum supply voltage (Vsup)	4 V	2.5 V	2.5 V
Nominal supply voltage (Vsup)	5 V	15 V	15 V
surface mount	NO	NO	NO
Temperature level	MILITARY	MILITARY	MILITARY
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE	WIRE	WIRE
Terminal location	DUAL	BOTTOM	BOTTOM
Other features	-	SINGLE SUPPLY OPERATION OF 5V TO +/-20V ALSO POSSIBLE	SINGLE SUPPLY OPERATION OF 5V TO +/-20V ALSO POSSIBLE
Maximum negative supply voltage (Vsup)	-	-20 V	-20 V
Negative supply voltage minimum (Vsup)	-	-2.5 V	-2.5 V
Nominal Negative Supply Voltage (Vsup)	-	-15 V	-15 V

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