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Product details

Parameters

VO (V) 1.235 Reference voltage Fixed Initial accuracy (Max) (%) 0.3 Rating Catalog VO adj (Min) (V) 1.235 VO adj (Max) (V) 1.235 Iz for regulation (Min) (uA) 8 Operating temperature range (C) -40 to 85, 0 to 70 Iout/Iz (Max) (mA) 10 open-in-new Find other Shunt voltage references

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 TSSOP (PW) 8 19 mm² 3 x 6.4 open-in-new Find other Shunt voltage references

Features

  • Initial Accuracy
    • ±4 mV for LT1004-1.2
    • ±20 mV for LT1004-2.5
  • Micropower Operation
  • Operates up to 20 mA
  • Very Low Reference Impedance
  • Applications:
    • Portable Meter Reference
    • Portable Test Instruments
    • Battery-Operated Systems
    • Current-Loop Instrumentation

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Description

The LT1004 micropower voltage reference is a two-terminal band-gap reference diode designed to provide high accuracy and excellent temperature characteristics at very low operating currents. Optimizing the key parameters in the design, processing, and testing of the device results in specifications previously attainable only with selected units.

The LT1004 is a pin-for-pin replacement for the LM285 and LM385 series of references, with improved specifications. It is an excellent device for use in systems in which accuracy was previously attained at the expense of power consumption and trimming.

The LT1004C is characterized for operation from 0°C to 70°C. The LT1004I is characterized for operation from –40°C to 85°C.

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Technical documentation

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Type Title Date
* Data sheet Micropower Integrated Voltage References datasheet (Rev. M) May 02, 2008
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics Jun. 28, 2019

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
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Description
The DAC900 evaluation module (EVM) is designed to evaluate the 10-bit, high-speed,
CMOS-interface DAC900. The EVM provides simple and minimal external components to minimize system cost and power consumption.
Features
  • Supports multiple output configurations
  • Directly compatible with TSW1400EVM
  • Buffered inputs to the digital-to-analog converter (DAC)
  • Selectable internal or external Vref
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Description
The DAC902 evaluation module (EVM) is designed to evaluate the 12-bit, high-speed,
CMOS-interface DAC902. The EVM provides simple and minimal external components to minimize system cost and power consumption.
Features
  • Supports multiple output configurations
  • Directly compatible with TSW1400EVM
  • Buffered inputs to the digital-to-analog converter (DAC)
  • Selectable internal or external Vref
EVALUATION BOARD Download
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Description
The DAC904 evaluation module (EVM) is designed to evaluate the 14-bit, high-speed,
CMOS-interface DAC904. The EVM provides simple and minimal external components to minimize system cost and power consumption.
Features
  • Supports multiple output configurations
  • Directly compatible with TSW1400EVM
  • Buffered inputs to the digital-to-analog converter (DAC)
  • Selectable internal or external Vref
EVALUATION BOARD Download
document-generic User guide
199
Description
The DAC908 evaluation module (EVM) is designed to evaluate the 8-bit, high-speed,
CMOS-interface DAC908. The EVM provides simple and minimal external components to minimize system cost and power consumption.
Features
  • Supports multiple output configurations
  • Directly compatible with TSW1400EVM
  • Buffered inputs to the digital-to-analog converter (DAC)
  • Selectable internal or external Vref

Design tools & simulation

SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options
TSSOP (PW) 8 View options

Ordering & quality

Information included:
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  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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