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BU9728AKV-E2, BU9729K, BU9735

Table of contents:
Info of BU9728AKV-E2
Info of BU9729K
Info of BU9735

BU9728AKV-E2, BU9729K, BU9735 Selling Leads, Datasheet

MFG:Rohm Category:Integrated Circuits (ICs) Package Cooled:TQFP48 D/C:0226+

BU9728AKV-E2, BU9729K, BU9735 Datasheet download

Five Points

Part Number: BU9728AKV-E2

Category: Integrated Circuits (ICs)

MFG: Rohm

Package Cooled: TQFP48

D/C: 0226+

Description: IC LCD SEGMENT DRIVER VQFP48 TR

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BU9728AKV-E2 Parameters

Technical/Catalog Information	BU9728AKV-E2
Vendor	Rohm
Category	Integrated Circuits (ICs)
Package / Case	48-VQFP
Digits or Characters	-
Configuration	-
Display Type	LCD
Interface	Serial
Packaging	Tape & Reel (TR)
Current - Supply	-
Voltage - Supply	2.5 V ~ 5.5 V
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BU9728AKV E2 BU9728AKVE2

BU9729K General Description

The BU9729K is a driver for segmented liquid crystal displays, which enables connection with a microcomputer
through a serial interface. 4-bit common output and an internal power supply circuit for LCD drive make it possible to
configure a low-cost display system.

BU9729K Maximum Ratings

Parameter	Symbol	Limits	Unit
Power supply voltage 1	V_DD	0.3 ~ + 7.0	V
Power supply voltage 2	V_LCD	0.3 ~ + 7.0^*1	V
Power dissipation	Pd	400^*2	mW
Operating temperature	Topr	25 ~ + 75
Storage temperature	Tstg	50 ~ + 125
Input voltage	V_IN	0.3 ~ V_DD + 0.3	V
Output voltage	V_OUT	0.3 ~ V_DD+ 0.3	V

*1 The condition V_LCD ^ V_C ^ V_SS must be satisfied.
*2 Reduced by 4.0mW for each increase in Ta of 1 over 25.

BU9729K Features

· Serial interface (8-bit length).
· Display RAM: 72bits, internal (up to 72 segments can be displayed).
· Internal power supply circuit for liquid crystal drive.
· Display duty: 1 / 4.
· Low-voltage and low-current operation supported.

BU9729K Typical Application

·Movie projectors, car audio equipment, telephones

BU9729K Connection Diagram

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