TC7129 View Datasheet(PDF) - TelCom Semiconductor Inc => Microchip

Part Name

Description

Manufacturer

TC7129

4-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTER WITH ON-CHIP LCD DRIVERS

TelCom Semiconductor Inc => Microchip 

TC7129

4-1/2 DIGIT ANALOG-TO-DIGITAL

CONVERTER WITH ON-CHIP LCD DRIVERS

LOW BATTERY

CONTINUITY

V+

5 pF

CO1

20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

DISPLAY DRIVE OUTPUTS

120

TC7129

kHz

CRYSTAL

21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

330 kΩ

+

9V

CINT

0.1

µF

CREF

1 µf

150 kΩ

RINT

10 kΩ

RBIAS

+

0.1

µF

CIF

RREF DREF

20

kΩ

TC04

RIF

100 kΩ

–

+

VIN

RO

10 pF

CO2

CRF

V+

0.1 µF

Figure 1. Standard Circuit

3-236

TELCOM SEMICONDUCTOR, INC.

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