CA3162 Dual Slope & Rate Analog/Digital Conv – Datasheet

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The CA3162 is an I2L monolithic A/D converter that provides a 3 digit multiplexed BCD output. This is used with the CA3161E BCD-to-Seven-Segment Decoder/Driver and a minimum of external parts to implement a complete 3-digit display. The CA3162 is identical to the CA3162AE except for an extended operating temperature range.

CA3162 Pinout

CA3162 Pin Configuration

Pin NoPin NameDescription
12^1BCD Output Pin
22^0 BCD Output Pin
3NSDDigital Select Output Pin
4MSD Digital Select Output Pin
5LSD Digital Select Output Pin
6HOLD/BYPASSHold/Bypass Pin
7GNDGround Pin
8ZERO ADJZero Adjust Pin
9 ZERO ADJ Zero Adjust Pin
10LOW INLow Input Pin
11HIGH IN High Input Pin
12INTEGRATING CAPIntegrating Capacitor
13GAIN ADJGain Adjust Pin
14V+Positive Supply Voltage Pin
152^2BCD Output Pin
162^3 BCD Output Pin

CA3162 Features

  • Dual Slope A/D Conversion
  • Multiplexed BCD Display
  • Ultra Stable Internal Band Gap Voltage Reference
  • Capable of Reading 99mV Below Ground with Single Supply
  • Differential Input
  • Internal Timing – No External Clock Required
  • Choice of Low Speed (4Hz) or High Speed (96Hz) Conversion Rate
  • “Hold” Inhibits Conversion but Maintains Delay
  • Over range Indication

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