LTC2636

PRODUCTION

Octal 12-/10-/8-Bit SPI 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 (LTC2636-L)
    • 4.096V Full-Scale 10ppm/°C (LTC2636-H)
  • Maximum INL Error: 2.5LSB (LTC2636-12)
  • 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 (LTC2636-L)
  • Ultralow Crosstalk Between DACs (<2.4nV•s)
  • Low Power: 0.9mA at 3V (LTC2636-L)
  • Power-On-Reset to Zero-Scale/Mid-Scale
  • Double-Buffered Data Latches
  • Tiny 14-Lead 4mm × 3mm DFN and 16-Lead MSOP Packages

The LTC2636 is a family of octal 12-, 10-, and 8-bit voltage-output DACs with an integrated, high-accuracy, low-drift 10ppm/°C reference in 14-lead DFN and 16-lead MSOP packages. It has a rail-to-rail output buffer and is guaranteed monotonic. The LTC2636-L has a full-scale output of 2.5V, and operates from a single 2.7V to 5.5V supply. The LTC2636-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 DAC full-scale output to the external reference voltage.

These DACs communicate via an SPI/MICROWIRE-compatible 3-wire serial interface which operates at clock rates up to 50MHz. Hardware clear (CLR) and asynchronous DAC update (LDAC) pins are available in the MSOP package. The LTC2636 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
  • Optical Networking
LTC2636
Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference
LTC2636 Application Circuit LTC2636 Pin Configuration LTC2636 Pin Configuration LTC2636 Performance Graph
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 1
LTC2668
PRODUCTION 16-Channel 16-/12-Bit ±10V VOUT SoftSpan DACs with 10ppm/°C Max 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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Tools & Simulations

Linduino 3

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
DC1466B

LTC2636 Demo Board | 12-Bit, Octal SPI DAC With Internal Reference, req DC590B

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Product Details

Demonstration circuit 1466B features the LTC2636, 12-Bit, Octal SPI DAC With Internal Reference. This device is a compact 8-channel solution with internal reference that simplifies system design. The DC1466B may be connected directly to the target application’s analog signals while using the DC590 USB serial controller board and supplied software to measure performance.

eval board
schematic 6
DC1466A-C

OBSOLETE: LTC2636-HZ12 |12-Bit Octal SPI DAC (4.096V Internal Reference Mode, Reset to Zero-Scale), Requires DC590

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Product Details

This evaluation board is obsolete and no longer recommended. The replacement board is the DC1466B.

DC1466A-C: Demo Board for the LTC2636-12 Octal 12-Bit SPI VOUT DACs with 10ppm/°C Reference.

eval board
schematic 7
DC1466A-D

OBSOLETE: LTC2636-HMI12 | 12-Bit Octal SPI DAC (4.096V Internal Reference Mode, Reset to Mid-Scale), Requires DC590

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Product Details

This evaluation board is obsolete and no longer recommended. The replacement board is the DC1466B.

DC1466A-D: Demo Board for the LTC2636-12 Octal 12-Bit SPI VOUT DACs with 10ppm/°C Reference.

eval board
schematic 8
DC1466A-B

OBSOLETE: LTC2636-LMI1 | 12-Bit Octal SPI DAC (2.5V Internal Reference Mode, Reset to Mid-Scale), Requires DC590

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Product Details

This evaluation board is obsolete and no longer recommended. The replacement board is the DC1466B.

DC1466A-B: Demo Board for the LTC2636-12 Octal 12-Bit SPI VOUT DACs with 10ppm/°C Reference.
DC1466B
LTC2636 Demo Board | 12-Bit, Octal SPI DAC With Internal Reference, req DC590B
DC1466B-A Demo Board DC1466B-A Demo Board DC1466B-A Demo Board DC1466B-A Demo Board DC1466B-A - Schematic
DC1466A-C
OBSOLETE: LTC2636-HZ12 |12-Bit Octal SPI DAC (4.096V Internal Reference Mode, Reset to Zero-Scale), Requires DC590
DC1466A-A - Schematic
DC1466A-D
OBSOLETE: LTC2636-HMI12 | 12-Bit Octal SPI DAC (4.096V Internal Reference Mode, Reset to Mid-Scale), Requires DC590
DC1466A-A - Schematic
DC1466A-B
OBSOLETE: LTC2636-LMI1 | 12-Bit Octal SPI DAC (2.5V Internal Reference Mode, Reset to Mid-Scale), Requires DC590
DC1466A-A - Schematic

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