QuickView - MAX138, MAX139, MAX140 3 1/2 Digit ADC with Reference, Charge Pump, and Direct LED Drivers


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Maxim > Products > [Analog-to-Digital Converters] [LED Lighting and LCD Display ICs]

MAX138, MAX139, MAX140 3 1/2 Digit ADC with Reference, Charge Pump, and Direct LED Drivers

Operates with Single +2.5V to +7V Supply, Accepts Bipolar Inputs

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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 7.6MB)
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Key Specifications: Dual-Slope & Display-Oriented ADCs

Part Number

Resolution
(±Counts)

Output Type

I_CC
(mA)

Ref.
(V)

V_SUPPLY
(V)

Package/Pins

Smallest Available Pckg.
(mm²)

Oper. Temp.
(°C)

Price

typ

max w/pins

See Notes

MAX138

2000

LCD

0.2

Int./Ext.

2.5 to 7.0

204

-40 to +85

0 to +70

$6.30 @1k

MAX139

LED

MAX140

LED

See All Dual-Slope & Display-Oriented ADCs (31)

Diagram

MAX138, MAX139, MAX140: Typical Operating Circuit
Typical Operating Circuit

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Document Ref.: 19-0805; Rev 2; 1995-11-01
This page last modified: 2009-11-10