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Features
- Guaranteed ±4mV Initial Accuracy LT1004-1.2
- Guaranteed ±20mV Accuracy LT1004-2.5
- Guaranteed 10µA Operating Current
- Guaranteed Temperature Performance
- Operates up to 20mA
- Very Low Dynamic Impedance
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The LT1004 Micropower Voltage Reference is a 2-terminal bandgap reference diode designed to provide high accuracy and excellent temperature characteristics at very low operating currents. Optimization of the key parameters in the design, processing and testing of the device results in accuracy specifications previously attainable only with selected units. Below is a distribution plot of reference voltage for a typical lot of LT1004-1.2. Virtually all of the units fall well within the prescribed limits of ±4mV.
The LT1004 is a pin-for-pin replacement for the LM185/LM385 series of references with improved accuracy specifications. More important, the LT1004 is an attractive device for use in systems where accuracy was previously obtained at the expense of power consumption and trimming.
For a low drift micropower reference with guaranteed temperature coefficient, see the LT1034 data sheet.
Applications
- Portable Meter References
- Portable Test Instruments
- Battery-Operated Systems
- Current Loop Instrumentation
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LT1004
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Application Note 28
AN23 - Micropower Circuits for Signal Conditioning
AN32 - High Efficiency Linear Regulators
AN14 - Designs for High Performance Voltage-to-Frequency Converters
AN59 - Applications of the LT1300 and LT1301 Micropower DC/DC Converters
AN22 - A Monolithic IC for 100MHz RMS-DC Conversion
AN61 - Practical Circuitry for Measurement and Control Problems
AN35 - Step Down Switching Regulators
AN7 - Some Techniques for Direct Digitization of Transducer Outputs
AN15 - Circuitry for Single Cell Operation
AN45 - Measurement and Control Circuit Collection
AN8 - Power Conditioning Techniques for Batteries
AN5 - Thermal Techniques in Measurement and Control Circuitry
AN11 - Designing Linear Circuits for 5V Single Supply Operation
AN28 - Thermocouple Measurement
AN13 - High Speed Comparator Techniques
AN31 - Linear Circuits for Digital Systems
AN9 - Application Considerations and Circuits for a New Chopper-Stabilized Op Amp
AN43 - Bridge Circuits
AN29 - Some Thoughts on DC-DC Converters
AN25 - Switching Regulators for Poets: A Gentle Guide for the Trepidatious
AN72 - A Seven-Nanosecond Comparator for Single Supply Operation
AN30 - Switching Regulator Circuit Collection
AN75 - Circuitry for Signal Conditioning and Power Conversion
AN-28: Thermocouple Measurement
AN-43: Bridge Circuits
AN-42: Voltage Reference Circuit Collection
AN-105: Current Sense Circuit Collection Making Sense of Current
AN-82: Understanding and Applying Voltage References
Design Note 3
Technical Articles 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
- LT1004C-1.2DICE
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8-Lead SOIC (Narrow 0.15 Inch)
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PCN
Nov 14, 2022
- 22_0254
Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)
LT1004CS8-1.2#PBF
PRODUCTION
LT1004CS8-1.2#TRPBF
PRODUCTION
Jun 11, 2021
- 21_0060
Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
LT1004CS8-1.2#PBF
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Dec 14, 2023
- 22_0255
Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
LT1004CS8-2.5#PBF
PRODUCTION
LT1004CS8-2.5#TRPBF
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PRODUCTION
Feb 20, 2022
- 22_0014
Final Packaging Changes for TO-92, TO-5 and TO-46
LT1004CZ-1.2#PBF
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LT1004CZ-2.5#PBF
PRODUCTION
LT1004IZ-1.2#PBF
PRODUCTION
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PRODUCTION
Mar 6, 2022
- 22_0014
Final Packaging Changes for TO-92, TO-5 and TO-46
LT1004CZ-1.2#TRPBF
PRODUCTION
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PRODUCTION
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Nov 14, 2022
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Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 1 of 2)
LT1004CS8-1.2#PBF
PRODUCTION
LT1004CS8-1.2#TRPBF
PRODUCTION
Jun 11, 2021
- 21_0060
Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM
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Dec 14, 2023
- 22_0255
Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2)
LT1004CS8-2.5#PBF
PRODUCTION
LT1004CS8-2.5#TRPBF
PRODUCTION
LT1004IS8-1.2#PBF
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LT1004IS8-2.5#TRPBF
PRODUCTION
Feb 20, 2022
- 22_0014
Final Packaging Changes for TO-92, TO-5 and TO-46
LT1004CZ-1.2#PBF
PRODUCTION
LT1004CZ-2.5#PBF
PRODUCTION
LT1004IZ-1.2#PBF
PRODUCTION
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Mar 6, 2022
- 22_0014
Final Packaging Changes for TO-92, TO-5 and TO-46
LT1004CZ-1.2#TRPBF
PRODUCTION
LT1004CZ-2.5#TRPBF
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LT1004IZ-1.2#TRPBF
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Software & Part Ecosystem
Tools & Simulations 1
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
To launch ready-to-run LTspice demonstration circuits for this part:
Step 1: Download and install LTspice on your computer.
Step 2: Click on the link in the section below to download a demonstration circuit.
Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.
Lt Spice
