ICL7126
PRODUCTIONLow-Power, 3 1/2 Digit A/D Converter
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- Part Models
- 1
- 1ku List Price
- Starting From $10.17
Overview
- Improved 2nd Source!
- Power dissipation guaranteed less than 1mW-9V battery life 3000 hours typical
- Guaranteed first reading recovery from overrange
- Zero Input Gives Zero Reading
- Drives LCD Displays Directly
- Low Noise (15μV p-p) without hysteresis or overrange hangover
- True Differential Reference and Input
- Monolithic, Low Power CMOS
The Maxim ICL7126 is a monolithic analog to digital converter with very high input impedance. On-board active components include segment drivers, segment decoders, voltage reference and a clock circuit. The ICL7126 directly drives a non-multiplexed liquid crystal (LCD) display, requiring no external display drive circuitry. Significantly reduced power consumption makes the ICL7126 a superior device, especially for portable systems.
Versatility and accuracy are inherent features of this converter. The dual-slope conversion technique automatically rejects interference signals common in industrial environments. The true differential input and reference are particularly useful when making ratiometric measurements (ohms or bridge transducers), and the zero-integrator phase in Maxim's ICL7126 eliminates overrange hangover and hysteresis effects. The Zero Integrator phase also allows the use of larger auto zero capacitors reducing noise further. Finally, this device offers high accuracy by lowering rollover error to less than one count and zero reading drift to less than 1μV/°C.
Applications
- Conductance
- Current
- Material Thickness
- Pressure
- Resistance
- Speed
- Temperature
- Voltage
Documentation
Data Sheet 1
Technical Articles 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ICL7126CPL+ | Plastic Dual-In-Line, Wide (0.6in) |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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| Parts | Product Life Cycle | Description |
|---|---|---|
| Analog to Digital Converters (ADCs) 1 | ||
| ICL7136 | PRODUCTION | Low-Power, 3 1/2 Digit A/D Converter |
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