Product Details
Key Features
Applications/Uses
Resolution (±Counts) | 20000 |
# Input Channels | 1 |
Data Bus | 7-Segment |
Diff/S.E. Input | Diff. Only |
External VREF (V) (min) | 0 |
External VREF (V) (max) | 7 |
Bipolar VIN (±V) (max) | 7 |
Package/Pins | MQFP/44 PDIP/40 PLCC/44 |
Budgetary Price (See Notes) | 14.15 |
Simplified Block Diagram
Technical Docs
Data Sheet | 3 1/2 Digit ADC with Reference, Charge Pump, and Direct LED Drivers | Nov 01, 1995 |
Support & Training
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Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Parameters
Resolution (±Counts) | 20000 |
# Input Channels | 1 |
Data Bus | 7-Segment |
Diff/S.E. Input | Diff. Only |
External VREF (V) (min) | 0 |
External VREF (V) (max) | 7 |
Bipolar VIN (±V) (max) | 7 |
Package/Pins | MQFP/44 PDIP/40 PLCC/44 |
Budgetary Price (See Notes) | 14.15 |
Key Features
- Single Supply +2.5V to +7.0V Operation
- Measures Both Positive and Negative Input Voltages
- Charge-Pump Voltage Inverter Generates a Negative Supply Voltage
- Internal Bandgap Reference
- On-Board Display Driver
- Low Segment Current (MAX140)
Applications/Uses
- +3V Powered DMMs
- +5V Powered Panel Meters
- Digital Thermometers
- Instruments
- Portable Monitors
- Weigh Scales
Description
MAX140 is a low segment-current version of the MAX139 intended for use with low-current LED displays.
Technical Docs
Data Sheet | 3 1/2 Digit ADC with Reference, Charge Pump, and Direct LED Drivers | Nov 01, 1995 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .