UA9638CP Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

Name: UA9638CP
Brand: Texas Instruments
SKU: UA9638CP
Availability: InStock

UA9638CP is a dual RS-422 line transmitter from Texas Instruments, supporting up to 15Mbit/s data rates with differential outputs and EIA-422-B/TIA-422-B compliance. Available in 8-Pin PDIP package. From $0.35 in stock, worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

UA9638CPDual-In-Line Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Dual-In-Line Packages
Pin Count: 8
Lifecycle: ACTIVE
Datasheet: UA9638CP Datasheet PDF
Category: Integrated Circuit
Price: From $0.3465(MOQ 64)
Temp Range: ?°C to 70.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of UA9638CP?

Dual RS-422/EIA-422-B differential line transmitter supporting up to 15Mbit/s data rate
5V supply operation with standard input characteristics and high-speed performance
Compact 8-Pin PDIP package for easy through-hole PCB integration
RoHS compliant (Pb-free) design suitable for industrial and commercial applications

What is UA9638CP used for?

The UA9638CP is widely used in industrial data communication systems requiring reliable long-distance differential signal transmission. It is ideal for RS-422 serial interfaces, point-to-point and multi-drop bus systems in factory automation, instrumentation, and process control equipment. The device also suits telecommunications line driving and high-speed data acquisition applications where noise immunity and signal integrity are critical.

What are the specifications of UA9638CP?

Pbfree Code	Yes
YTEOL	15
Differential Output	YES
Driver Number of Bits	2
High Level Input Current-Max	0.000025A
Input Characteristics	STANDARD
Interface IC Type	LINE DRIVER
Interface Standard	EIA-422-B; TIA-422-B
JESD-30 Code	R-PDIP-T8
JESD-609 Code	e4
Number of Functions	2
Out Swing-Min	2V
Output Characteristics	TOTEM-POLE
Output Low Current-Max	0.05A
Output Polarity	COMPLEMENTARY
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	DIP8,.3
Package Shape	RECTANGULAR
Package Style	IN-LINE
Qualification Status	Not Qualified
Supply Current-Max	65mA
Supply Voltage-Max	5.25V
Supply Voltage-Min	4.75V
Supply Voltage-Nom	5V
Supply Voltage1-Max	5.25V
Supply Voltage1-Min	4.75V
Supply Voltage1-Nom	5V
Surface Mount	NO
Technology	BIPOLAR
Temperature Grade	COMMERCIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	THROUGH-HOLE
Terminal Pitch	2.54mm
Terminal Position	DUAL
Transmit Delay-Max	20ns
Package	Dual-In-Line Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Mexico

Where can I find the UA9638CP datasheet?

UA9638CP Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for UA9638CP?

Compatible alternatives and drop-in replacements for UA9638CP:

UA9638CPE4Texas Instruments

Line Driver, 2 Func, 2 Driver, BIPolar, PDIP8

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the maximum data rate supported by the UA9638CP?

The UA9638CP supports a maximum data rate of 15Mbit/s. It complies with EIA-422-B and TIA-422-B standards, making it suitable for high-speed differential data transmission over long cable runs in industrial and telecom applications.

What supply voltage does the UA9638CP require?

The UA9638CP operates on a 5V supply voltage. It features standard input characteristics and differential outputs, designed to drive RS-422 balanced lines with reliable performance across commercial and industrial temperature ranges.

What package type is the UA9638CP available in?

The UA9638CP is available in an 8-Pin PDIP (Dual In-Line Package) through-hole package, making it straightforward to use in prototype and production PCB designs. The JESD-30 code is R-PDIP-T8.

What are typical applications for the UA9638CP?

Typical applications include RS-422 serial communication interfaces, industrial automation bus systems, point-to-point data links, instrumentation, process control equipment, and telecommunications line driving where differential signaling and noise immunity are required.

Is the UA9638CP RoHS compliant?

Yes, the UA9638CP is RoHS compliant. It carries a Pb-free code (Yes) and JESD-609 code e4, confirming it meets lead-free and environmental compliance requirements for modern electronics manufacturing.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $0.3465

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
64+	$0.4641	$29.70
217+	$0.3960	$85.93
469+	$0.3465	$162.51

pcs

Unit price: $0.4641 · Total: $29.70

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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UA9638CP Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock

What are the key features of UA9638CP?

What is UA9638CP used for?

What are the specifications of UA9638CP?

Compliance & Regulatory

Where can I find the UA9638CP datasheet?

What are equivalent replacements for UA9638CP?

Frequently Asked Questions

What is the maximum data rate supported by the UA9638CP?

What supply voltage does the UA9638CP require?

What package type is the UA9638CP available in?

What are typical applications for the UA9638CP?

Is the UA9638CP RoHS compliant?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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