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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.
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Data Sheet
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Key Specifications:
| Display-Oriented ADCs |
| Part Number |
Resolution
(±Counts) |
Data Bus
(bits) |
Diff/S.E. Input |
External VREF
(V) |
External VREF
(V) |
Bipolar VIN
(±V) |
Package/Pins |
Budgetary Price |
| min |
max |
max |
See Notes |
| MAX138 |
2000 |
7-Segment |
Diff. Only |
0 |
7 |
7 |
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$8.80 @1k |
| MAX139 |
20000 |
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$8.50 @1k |
| MAX140 |
2000 |
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$6.54 @1k |
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See All Display-Oriented ADCs (33)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
Application Notes
Product Guides
Reliability Reports
| Reliability Report: |
MAX140.pdf |
| Show FIT data for: |
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| Request Reliability Report for: |
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Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX140EQH-D
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Active |
PLCC;44 pin;311.5 mm²
Outline Drawing:21-0049 (PDF)
Land Pattern: 90-0236 (PDF)
Use pkgcode/variation: Q44-1*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX140EQH-TD
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Active |
PLCC;44 pin
Land Pattern: Not Available
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-40°C to +85°C
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See data sheet
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Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Information Index
Document Ref.: 19-0805
Rev 2;
1995-11-01
This page last modified: 2009-11-10
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