LTC2633

PRODUCTION

Dual 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference

Data Sheet (Rev. D) Product Selection Table
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Overview

  • Integrated Precision Reference
    • 2.5V Full-Scale 10ppm/°C (LTC2633-L)
    • 4.096V Full-Scale 10ppm/°C (LTC2633-H)
  • Maximum INL Error: ±1.5LSB (LTC2633A-12)
  • Low Noise: 0.75mVP-P 0.1Hz to 200kHz
  • Guaranteed Monotonic Over –40°C to 125°C Temperature Range
  • Selectable Internal or External Reference
  • 2.7V to 5.5V Supply Range (LTC2633-L)
  • Low Power: 0.4mA at 3V
  • Power-on-Reset to Zero-Scale/Mid-Scale/Hi-Z
  • Double-Buffered Data Latches
  • 8-Lead ThinSOT™ Package

The LTC2633 is a family of dual 12-, 10-, and 8-bit voltage-output DACs with an integrated, high accuracy, low drift reference in an 8-lead TSOT-23 package. It has rail-to-rail output buffers and is guaranteed monotonic. The LTC2633-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2633-H has a full-scale output of 4.096V, and operates from a 4.5V to 5.5V supply. Each DAC can also operate with an external reference, which sets the full-scale output to the external reference voltage.

These DACs communicate via a 2-wire I2C-compatible serial interface. The LTC2633 operates in both the standard mode (clock rate of 100kHz) and the fast mode (clock rate of 400kHz). The LTC2633 incorporates a power-on reset circuit. Options are available for reset to zero-scale, reset to mid-scale in internal reference mode, reset to mid-scale in external reference mode, or reset with all DAC outputs in a high impedance state after power-up.

Applications

  • Mobile Communications
  • Process Control and Industrial Automation
  • Power Supply Margining
  • Portable Equipment
  • Automotive
LTC2633
Dual 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference
LTC2633 Application Circuit LTC2633 Pin Configuration LTC2633- Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 1
LTC2644
PRODUCTION Dual 12-/10-/8-Bit PWM to VOUT DACs with 10ppm/°C Reference
Interface Transceivers & Isolators 1
LTM2883
PRODUCTION SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
Level Translators & Buffers 1
LTC4317
PRODUCTION Dual I2C/SMBus Address Translator
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