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See Technical Specifications

UA9638CDR

Dual High-Speed Differential Line Driver

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

UA9638CDR
Datasheet:

UA9638CDR Datasheet (PDF)
Number of receivers:

0
Number of transmitters:

2
Supply voltage (nom) (V):

5
Signaling rate (max) (MBits):

15
EDA/CAD Models:

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UA9638CDR General Description

The uA9638C is a dual high-speed differential line driver designed to meet ANSI Standard EIA/TIA-422-B. The inputs are TTL and CMOS compatible and have input clamp diodes. Schottky-diode-clamped transistors are used to minimize propagation delay time. This device operates from a single 5-V power supply and is supplied in an 8-pin package.

The uA9638 provides the current needed to drive low-impedance loads at high speeds. Typically used with twisted-pair cabling and differential receiver(s), base-band data transmission can be accomplished up to and exceeding 15 Mbps in properly designed systems. The uA9637A dual line receiver is commonly used as the receiver. For even faster switching speeds in the same pin configuration, see the SN75ALS191.

The uA9638C is characterized for operation from 0°C to 70°C.

Key Features

Meets or Exceeds ANSI Standard EIA/TIA-422-B
Operates From a Single 5-V Power Supply
Drives Loads as Low as 50 up to 15 Mbps
TTL- and CMOS-Input Compatibility
Output Short-Circuit Protection
Interchangeable With National Semiconductor^TM DS9638
National Semiconductor is a trademark of National Semiconductor Corporation.

Specifications

Number of receivers	0	Number of transmitters	2
Supply voltage (nom) (V)	5	Signaling rate (max) (MBits)	15
IEC 61000-4-2 contact (±V)	None	Fault protection (V)	-15 to 15
Common-mode range (V)	-7 to 7	Number of nodes	32
Isolated	No	Supply current (max) (µA)	65000
Rating	Catalog	Operating temperature range (°C)	0 to 70
feature-function	Line Transmitter	feature-data-rate	15Mbps
feature-transmitter-communication-type	RS-422	feature-receiver-communication-type
feature-number-of-transceivers		feature-number-of-transmitters	2
feature-number-of-receivers		feature-transmitter-signal-type	Differential
feature-receiver-signal-type		feature-number-of-drivers-per-line	1
feature-number-of-receivers-per-line		feature-driving-mode
feature-power-supply-type	Single	feature-minimum-single-supply-voltage-v	4.75
feature-maximum-single-supply-voltage-v	5.25	feature-minimum-dual-supply-voltage-v
feature-maximum-dual-supply-voltage-v		feature-maximum-supply-current-ma	65
feature-packaging	Tape and Reel	feature-rad-hard
feature-pin-count	8	feature-cecc-qualified	No
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No