LTC2632

PRODUCTION

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

Data Sheet (Rev. C) Product Selection Table
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Overview

  • Integrated Precision Reference
    • 2.5V Full-Scale 10ppm/°C (LTC2632-L)
    • 4.096V Full-Scale 10ppm/°C (LTC2632-H)
  • Maximum INL Error: ±1.5LSB (LTC2632A-12)
  • Low Noise: 0.75mVP-P 0.1Hz to 200kHz
  • Guaranteed Monotonic –40°C to 125°C Automotive Temperature Range
  • Selectable Internal or External Reference
  • 2.7V to 5.5V Supply Range (LTC2632-L)
  • Low Power Operation 0.4mA at 3V
  • Power-On-Reset to Zero-Scale/Mid-Scale
  • Double-Buffered Data Latches
  • 8-Lead ThinSOT™ Package

The LTC2632 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 LTC2632-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2632-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 simple SPI/MICROWIRE compatible 3-wire serial interface which operates at clock rates up to 50MHz. The LTC2632 incorporates a power-on reset circuit. Options are available for reset to zero-scale or reset to mid-scale in internal reference mode, or reset to mid-scale in external reference mode after power-up.

Applications

  • Mobile Communications
  • Process Control and Industrial Automation
  • Automatic Test Equipment
  • Portable Equipment
  • Automotive
LTC2632
Dual 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference
LTC2632 Application Circuit LTC2632 Pin Configuration LTC2632 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

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Software Resources

Device Drivers 1

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
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Latest Discussions

1 Years Ago
LTC2632 Unexpectedly switching to external reference
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