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NTE2055

NTE
Part Number NTE2055
Manufacturer NTE
Description Integrated Circuit CMOS / 3 1/2 Digit A/D Converter
Published May 9, 2005
Detailed Description NTE2055 Integrated Circuit CMOS, 3 1/2 Digit A/D Converter Description: The NTE2055 is a high performance, low power, 3 ...
Datasheet PDF File NTE2055 PDF File

NTE2055
NTE2055


Overview
NTE2055 Integrated Circuit CMOS, 3 1/2 Digit A/D Converter Description: The NTE2055 is a high performance, low power, 3 1/2 digit A/D converter combining both linear CMOS and digital CMOS circuits on a single monolithic IC.
Available in a 24–Lead DIP type package, this device is designed to minimize use of external components.
With two external resistors and two external capacitors, the system forms a dual slope A/D converter with automatic zero correction and automatic polarity.
The NTE2055 is ratiometric and may be used over a full–scale range from 1.
999V to 199.
9mV.
Systems using this device may operate over a wide range of power supply voltages for ease of use with batteries, or with standard 5V supplies.
The output drive conforms with standard B–Series CMOS specifications and can drive a low–power Schottky TTL load.
The high impedance MOS inputs allow applications in current and resistance meters as well as voltmeters.
In addition to DVM/DPM applications, the NTE2055 finds use in digital thermometers, digital scales, remote A/D, A/D control systems, and in MPU systems.
Features: D Accuracy: ±0.
05% of Reading ±1 Count D Two Voltage Ranges: 1.
999V and 199.
9mV D Up to 25 Conversions /s D Zin > 100MΩ D Auto–Polarity and Auto–Zero D Single Positive Voltage Reference D Standard B–Series CMOS Outputs: Drives One Low Power Schottky Load D Uses On–Chip System Clock, or External Clock D Wide Supply Range: e.
g.
, ±4.
5V to ±8.
0V D Overrange and Underrange Signals Available D Operates in Auto Ranging Circuits D Operates with LED and LCD Displays D Low External Component Count D Chip Complexity: 1326 FETs Absolute Maximum Ratings: DC Supply Voltage, VDD to VEE .
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–0.
5V to +18V Voltage, Ant Pin, Referenced to VEE, V .
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–0.
5V to VDD+0.
5V DC Input Current, Per Pin, Iin .
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