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TC7129CKW, TC7129CPL, TC7135

Table of contents:
Info of TC7129CKW
Info of TC7129CPL
Info of TC7135

TC7129CKW, TC7129CPL, TC7135 Selling Leads, Datasheet

MFG:Microchip Technology Category:Integrated Circuits (ICs) Package Cooled:MQFP-44 D/C:94

TC7129CKW, TC7129CPL, TC7135 Datasheet download

Five Points

Part Number: TC7129CKW

Category: Integrated Circuits (ICs)

MFG: Microchip Technology

Package Cooled: MQFP-44

D/C: 94

Description: IC ADC 4 1/2DGT LCD DVR 40-DIP

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TC7129CKW Parameters

Technical/Catalog Information	TC7129CKW
Vendor	Microchip Technology
Category	Integrated Circuits (ICs)
Package / Case	44-MQFP
Digits or Characters	A/D 4.5 Digits
Configuration	-
Display Type	LCD
Interface	-
Packaging	Tray
Current - Supply	800A
Voltage - Supply	6 V ~ 12 V
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TC7129CKW TC7129CKW

TC7129CPL Parameters

Technical/Catalog Information	TC7129CPL
Vendor	Microchip Technology
Category	Integrated Circuits (ICs)
Package / Case	40-DIP (600 mil)
Digits or Characters	A/D 4.5 Digits
Configuration	-
Display Type	LCD
Interface	-
Packaging	Tube
Current - Supply	-
Voltage - Supply	6 V ~ 12 V
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TC7129CPL TC7129CPL

TC7135 General Description

The TC7135 4-1/2 digit A/D converter (ADC) offers 50ppm (1 part in 20,000) resolution with a maximum nonlinearity error of 1 count. An auto zero cycle reduces zero error to below 10µV and zero drift to 0.5µV/°C. Source impedance errors are minimized by a 10pA maximum input current. Rollover error is limited to ±1 count.

Microprocessor based measurement systems are supported by BUSY, STROBE and RUN/HOLD control signals. Remote data acquisition systems with data transfer via UARTs are also possible. The additional control pins and multiplexed BCD outputs make the TC7135 the ideal converter for display or microprocessor based measurement systems.

TC7135 Maximum Ratings

Positive Supply Voltage.................................................+6V
Negative Supply Voltage ........................................... - 9V
Analog Input Voltage (Pin 9 or 10) .........V+ to V- (Note 2)
Reference Input Voltage (Pin 2) ...................... V+ to VClock
Input Voltage ....................................................... 0V to V+
Operating Temperature Range ..................0°C to +70°C
Storage Temperature Range.............. 65°C to +150°C
Package Power Dissipation; (TA  70°C)
28-Pin PDIP .............................................................. 1.14Ω
28-Pin PLCC ............................................................ 1.00Ω
64-Pin PQFP..............................................................1.14Ω

TC7135 Features

• Low Rollover Error: ±1 Count Max
• Nonlinearity Error: ±1 Count Max
• Reading for 0V Input
• True Polarity Indication at Zero for Null Detection
• Multiplexed BCD Data Output
• TTL-Compatible Outputs
• Differential Input
• Control Signals Permit Interface to UARTs and Microprocessors
• Blinking Display Visually Indicates Overrange Condition
• Low Input Current: 1pA
• Low Zero Reading Drift: 2µV/°C
• Auto-Ranging Supported with Overrange and Underrange Signals
• Available in PDIP and Surface-Mount Packages

TC7135 Typical Application

• Precision Analog Signal Processor
• Precision Sensor Interface
• High Accuracy DC Measurements

TC7135 Connection Diagram

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