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DAC1222 12-bit Binary Multiplying D/A Convertor

Photograph
DAC1222LCN - DAC1222 12-bit Binary Multiplying D/A Convertor

Features
  • Linearity Specified with Zero and Full-Scale Adjust
  • Non-Linearity Guaranteed Over Temperature
  • 12-bit Resolution
  • Low Power Dissipation 10mW@15V Typical
  • Accepts Variable or Fixed Reference
  • 4-Quadrant Multiplying Capability
  • Logic Inputs are TTL Compatible
  • Fast Settling Time - 500ns typical
  • Low Feedthrough Error - ½ LSB@100kHz typical

Pin Layout
DAC1222 Pin Layout

Pin Description
Pin Number Description
1 Iout1 - Current Output 1
2 Iout2 - Current Output 2
3 GND - Ground
4 A1 - Digital Input Bit 1
5 A2 - Digital Input Bit 2
6 A3 - Digital Input Bit 3
7 A4 - Digital Input Bit 4
8 A5 - Digital Input Bit 5
9 A6 - Digital Input Bit 6
10 A7 - Digital Input Bit 7
11 A8 - Digital Input Bit 8
12 A9 - Digital Input Bit 9
13 A10 - Digital Input Bit 10
14 A11 - Digital Input Bit 11
15 A12 - Digital Input Bit 12
16 V+ - Positive Supply
17 Vref IN - Voltage Reference
18 Rfb - Resistor Feedback

Dimensional Drawing
DAC1222 IC Dimensional Drawing
DAC1222 IC Dimensional Drawing

Technical Data

Data Sheet

National Semiconductor - Datasheet for DAC1222 Datasheet

Application Notes