LTC2995 datasheet(43/90 Pages) AD

Part #	LTC2995

Description	Isolated High Accuracy Digital Temperature Measurement System with EEPROM

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LTM2985

Rev. 0

For more information www.analog.com

Table 43. Channel Assignment Data for 3-Wire RTD (PT-200, RSENSE on CH7, 3-Wire, 50µA Excitation Current,

α = 0.003911 Curve)

CONFIGURATION

FIELD

DESCRIPTION # BITS

BINARY DATA

MEMORY

ADDRESS 0x220

MEMORY

ADDRESS 0x221

MEMORY

ADDRESS 0x222

MEMORY

ADDRESS 0x223

(1) RTD TYPE

PT-200

01101 0 1 1 0 1

(2) Sense

Resistor Channel

Pointer

CH7

00111

0 0 1 1 1

(3) Sensor

Configuration

3-Wire

0100

0 1 0 0

(4) Excitation

Current

50µA

0100

0 1 0 0

(5) Curve

American,

α = 0.003911

0 1

(6) Custom RTD

Data Pointer

Not Custom

000000000000

0 0 0 0 0 0 0 0 0 0 0 0

Table 44. Channel Assignment Data for Sense Resistor (Value = 12150.39Ω)

CONFIGURATION

FIELD

DESCRIPTION # BITS

BINARY DATA

MEMORY

ADDRESS 0x218

MEMORY

ADDRESS 0x219

MEMORY

ADDRESS 0x21A

MEMORY

ADDRESS 0x21B

(1) Sensor Type Sense Resistor

11101 1 1 1 0 1

(2) Sense Resistor

Value

12150.39Ω

27 000101111011101100110001111

0 0 0 1 0 1 1 1 1 0 1 1 1 0 1 1 0 0 1 1 0 0 0 1 1 1 0

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