Overview
Description
The Intersil ICL7136 is a high performance, low power 31/2 digit, A/D converter. Included are seven segment decoders, display drivers, a reference, and a clock. The ICL7136 is designed to interface with a liquid crystal display (LCD) and includes a multiplexed backplane drive. The ICL7136 brings together a combination of high accuracy, versatility, and true economy. It features auto-zero to less than 10µV, zero drift of less than 1µV/oC, input bias current of 10pA (Max), and rollover error of less than one count. True differential inputs and reference are useful in all systems, but give the designer an uncommon advantage when measuring load cells, strain gauges and other bridge type transducers. Finally, the true economy of single power supply operation, enables a high performance panel meter to be built with the addition of only 10 passive components and a display. The ICL7136 is an improved version of the ICL7126, eliminating the overrange hangover and hysteresis effects, and should be used in its place in all applications. It can also be used as a plug-in replacement for the ICL7106 in a wide variety of applications, changing only the passive components.
Features
- First Reading Overrange Recovery in One Conversion Period
- Guaranteed Zero Reading for 0V Input on All Scales
- True Polarity at Zero for Precise Null Detection
- 1pA Typical Input Current
- True Differential Input and Reference, Direct Display Drive
- LCD ICL7136
- Low Noise - Less Than 15µVP-P
- On Chip Clock and Reference
- No Additional Active Circuits Required
- Low Power - Less Than 1mW
- Surface Mount Package Available
- Drop-In Replacement for ICL7126, No Changes Needed
- Pb-Free Plus Anneal Available (RoHS Compliant)
Comparison
Applications
Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
ICL7136CM44Z Active Samples Available
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|
MQFP | Tray | 3 | 3.35 | Get Samples, |
| MQFP | Reel | 3 | 4.377 | ||
ICL7136CPLZ Active Samples Available
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|
PDIP | Tube | Not Applicable | 5.225 | Get Samples, |
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