MAX3325 View Datasheet(PDF) - Maxim Integrated

Part Name

Description

Manufacturer

MAX3325

3V Dual RS-232 Transceiver with LCD Supply and Contrast Controller

Maxim Integrated 

3V Dual RS-232 Transceiver with

LCD Supply and Contrast Controller

Typical Operating Circuit

0.22µF

0.22µF

0.22µF

3V INPUT

TTL/CMOS

INPUTS

TTL/CMOS

OUTPUTS

V-

C1+

C1-

V+

VDD

UP

DOWN

SDLCD

SD232

T1IN

T2IN

VL

R1OUT

R2OUT

MAX3325

C2+

C2-

POS REG

REG

NEG LCD

REG

GND

FB

6-BIT

DAC

DAC

0.22µF

5V AT 15mA

OUTPUT

4.7µF

LCD BIAS

(0 TO -5V)

10k

REF+

REF-

-1

0.33µF

0.33µF

TEMP

T

0.22µF

T1OUT

T2OUT

RS-232

OUTPUTS

LCD DISPLAY

MODULE

VCC

VEE

0.47µF

VSS

R1IN

RS-232

INPUTS

R2IN

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