LTC2640

PRODUCTION

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

Data Sheet Product Selection Table
Part Models
96
1ku List Price
Starting From $1.27
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Part Details

  • Integrated Precision Reference
    • 2.5V Full-Scale 10ppm/°C (LTC2640-L)
    • 4.096V Full-Scale 10ppm/°C (LTC2640-H)
  • Maximum INL Error: 1LSB (LTC2640A-12)
  • Bidirectional Reference: Input or 10ppm/°C Output
  • Low Noise (0.7mVpp, 0.1Hz to 200kHz)
  • Guaranteed Monotonic Over Temperature
  • 2.7V to 5.5V Supply Range (LTC2640-L)
  • Low Power Operation: 180μA at 3V
  • Power Down to 1.8μA Maximum (C and I Grades)
  • Asynchronous DAC Clear Pin (LTC2640-Z)
  • Power-On Reset to Zero or Mid-Scale options
  • Double-Buffered Data Latches
  • Guaranteed Operation from –40°C to 125°C (H-Grade)
  • 8-Lead TSOT-23 (ThinSOT™) Package
LTC2640
Single 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference
Integral Nonlinearity (LTC2640A-LZ12) Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
I²C Isolators 1
LTM2883
PRODUCTION SPI/Digital or I2C μModule Isolator with Adjustable ±12.5V and 5V Regulated Power
Positive Linear Regulators (LDO) 1
LT3040
RECOMMENDED FOR NEW DESIGNS 20V, 200mA, Ultralow Noise, Ultrahigh PSRR Precision DAC/Reference Buffer
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Tools & Simulations

Linduino 3

Evaluation Kits

eval board
schematic 1
DC1333A-B

LTC2640-LZ12 Demo Board | 12-Bit SPI DAC (2.5V ref, Reset to Zero-Scale) (requires DC2026)

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Product Details

Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.

eval board
schematic 2
DC1333A-C

LTC2640-HM12 Demo Board | 12-Bit SPI DAC (4.096V ref, Reset to Mid-Scale) (requires DC2026)

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Product Details

Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.

eval board
schematic 3
DC1333A-A

LTC2640-LM12 Demo Board | 12-Bit SPI DAC (2.5V ref, Reset to Mid-Scale) (requires DC2026)

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Product Details

Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.


 


eval board
schematic 4
DC1333A-D

LTC2640-HZ12 Demo Board | 12-Bit SPI DAC (4.096V ref, Reset to Zero-Scale) (requires DC2026)

Buy Now View Details

Product Details

Demonstration circuit 1333A features the LTC2640, a 12-bit SPI DAC. This device establishes a new benchmark for size and integration of 12-bit DACs and onboard reference.
DC1333A-B
LTC2640-LZ12 Demo Board | 12-Bit SPI DAC (2.5V ref, Reset to Zero-Scale) (requires DC2026)
DC1333A-A - Schematic
DC1333A-C
LTC2640-HM12 Demo Board | 12-Bit SPI DAC (4.096V ref, Reset to Mid-Scale) (requires DC2026)
DC1333A-A - Schematic
DC1333A-A
LTC2640-LM12 Demo Board | 12-Bit SPI DAC (2.5V ref, Reset to Mid-Scale) (requires DC2026)
DC1333A-A - Schematic
DC1333A-D
LTC2640-HZ12 Demo Board | 12-Bit SPI DAC (4.096V ref, Reset to Zero-Scale) (requires DC2026)
DC1333A-A - Schematic

Latest Discussions

6 Years Ago
RE: LTC2640 SPI mode (CPOL and CPHA)
View related discussion on EngineerZone®

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