Key facts
- Brand
- Maxim
- Model
- MAX138
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-06-05
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MAX138/MAX139/MAX140 Datasheet
The document details the features of the MAX138/MAX139/MAX140 family, which are 3% digit analog-to-digital (A/D) converters featuring an internal bandgap reference and a charge-pump voltage inverter. These devices allow measurement of both positive and negative input voltages while operating from a single power supply ranging from +2.5V to +7V.
Read onlineMaxim MAX138 specifications
| Resolution | 3-1/2 Digit |
|---|---|
| Supply Voltage Range | +2.5V to +7.0V |
| Operating Temperature (C) | 0°C to +70°C |
| Operating Temperature (E) | -40°C to +85°C |
| Full Scale Range | ±2.00V |
Source: MAX138/MAX139/MAX140 Datasheet
All Maxim MAX138 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the operating supply voltage range?
The device operates from a single power-supply voltage from +2.5V to +7V.
Can the MAX138 measure negative voltages?
Yes, it measures both positive and negative input voltages using an on-board charge-pump voltage inverter.
What supply voltage range does the MAX138/MAX139/MAX140 support?
They operate from a single supply voltage of +2.5 V to +7.0 V.
What is the typical conversion rate of the devices?
The internal oscillator is trimmed to 40 kHz, giving roughly 2.6 conversions per second.