TC7136 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC7136

Low Power 3-1/2 Digit Analog-to-Digital Converter

Microchip Technology 

TC7136/TC7136A

FIGURE 8-2:

LOW PARTS COUNT

RATIOMETRIC

RESISTANCE

MEASUREMENT

RSTANDARD

VREF+ V+

VREF-

RUNKNOWN

VIN+

LCD

TC7136

TC7136A

VIN-

ANALOG

COMMON

FIGURE 8-3:

TEMPERATURE SENSOR

+ 9V

160kΩ

1N4148

Sensor

R2

50kΩ

300kΩ

R1

50kΩ

300kΩ

V+

V-

VIN-

VIN+

TC7136

TC7136A

VREF+

VREF-

COMMON

FIGURE 8-4:

POSITIVE TEMPERATURE

COEFFICIENT RESISTOR

TEMPERATURE SENSOR

+ 9V

5.6kΩ

160kΩ

1N4148 R1

20kΩ

0.7%/°C

PTC

R3

R2

20kΩ

V+

V-

VIN-

VIN+

TC7136

TC7136A

VREF+

VREF-

COMMON

DS21461C-page 16

© 2005 Microchip Technology Inc.

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