LT1009CLPR
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Texas Instruments LT1009CLPR

Manufacturer No:
LT1009CLPR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC VREF SHUNT 0.2% TO92-3
Delivery:
Payment:
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Product Introduction

Overview

The LT1009CLPR is a precision-trimmed 2.5-V shunt regulator produced by Texas Instruments. This integrated circuit features low dynamic impedance and a wide operating current range, making it suitable for various precision voltage reference applications. The device is characterized by its high accuracy and stability, with a maximum initial tolerance of ±5 mV in the LP package and ±10 mV in the D and PW packages. The LT1009CLPR can be used as a terminal-for-terminal replacement for the LM136-2.5, eliminating the need for an external trim network.

Key Specifications

Parameter Min Max Unit
Reference Voltage (VZ) 2.495 2.5 2.505 V
Initial Accuracy 0.2% %
Dynamic Impedance (rZ) 0.2 0.4 0.6 Ω
Temperature Coefficient 25 ppm/°C
Shunt Current - Min 400 10,000 μA
Operating Temperature Range -40 85 °C
Package/Case TO-92-3

Key Features

  • Excellent Temperature Stability: The LT1009CLPR has a low temperature coefficient of 25 ppm/°C, ensuring stable operation over a wide temperature range.
  • High Initial Accuracy: With an initial accuracy of ±0.2%, this device provides precise voltage reference.
  • Low Dynamic Impedance: The dynamic impedance is as low as 0.6 Ω, which is beneficial for maintaining stability in varying current conditions.
  • Wide Operating Current Range: The device can operate with shunt currents ranging from 400 μA to 10 mA.
  • Directly Interchangeable with LM136-2.5: It can replace the LM136-2.5 without the need for an external trim network.
  • No Adjustment Required: Although it has an adjustment terminal (ADJ) for fine-tuning, the LT1009CLPR typically needs no adjustments for minimum temperature coefficient.

Applications

  • 5-V System References: Used as a precise voltage reference in 5-V systems.
  • Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) References: Suitable for use in ADC and DAC applications requiring stable voltage references.
  • Power-Supply Monitors: Can be used to monitor and regulate power supplies.
  • Digital Voltmeters and Current-Loop Measurement and Control Systems: Applicable in digital voltmeters and current-loop measurement and control systems due to its precision and stability.

Q & A

  1. What is the nominal output voltage of the LT1009CLPR?

    The nominal output voltage is 2.5 V.

  2. What is the initial accuracy of the LT1009CLPR?

    The initial accuracy is ±0.2%.

  3. What is the dynamic impedance of the LT1009CLPR?

    The dynamic impedance is as low as 0.6 Ω.

  4. What is the operating temperature range of the LT1009CLPR?

    The operating temperature range is from -40°C to 85°C.

  5. Can the LT1009CLPR be used as a replacement for the LM136-2.5?
  6. Does the LT1009CLPR require any adjustments for minimum temperature coefficient?

    No, it typically needs no adjustments for minimum temperature coefficient.

  7. What are some common applications of the LT1009CLPR?

    Common applications include 5-V system references, ADC and DAC references, power-supply monitors, digital voltmeters, and current-loop measurement and control systems.

  8. What is the package type of the LT1009CLPR?

    The package type is TO-92-3.

  9. What is the minimum shunt current for the LT1009CLPR?

    The minimum shunt current is 400 μA.

  10. What is the maximum shunt current for the LT1009CLPR?

    The maximum shunt current is 10 mA.

Product Attributes

Reference Type:Shunt
Output Type:Fixed
Voltage - Output (Min/Fixed):2.5V
Voltage - Output (Max):- 
Current - Output:10 mA
Tolerance:±0.2%
Temperature Coefficient:25ppm/°C
Noise - 0.1Hz to 10Hz:- 
Noise - 10Hz to 10kHz:- 
Voltage - Input:- 
Current - Supply:- 
Current - Cathode:400 µA
Operating Temperature:0°C ~ 70°C (TA)
Mounting Type:Through Hole
Package / Case:TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package:TO-92-3
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Similar Products

Part Number LT1009CLPR LT1009ILPR LT1009CLP LT1009CLPM
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Reference Type Shunt Shunt Shunt Shunt
Output Type Fixed Fixed Fixed Fixed
Voltage - Output (Min/Fixed) 2.5V 2.5V 2.5V 2.5V
Voltage - Output (Max) - - - -
Current - Output 10 mA 10 mA 10 mA 10 mA
Tolerance ±0.2% ±0.2% ±0.2% ±0.2%
Temperature Coefficient 25ppm/°C 35ppm/°C 25ppm/°C 25ppm/°C
Noise - 0.1Hz to 10Hz - - - -
Noise - 10Hz to 10kHz - - - -
Voltage - Input - - - -
Current - Supply - - - -
Current - Cathode 400 µA 400 µA 400 µA 400 µA
Operating Temperature 0°C ~ 70°C (TA) -40°C ~ 85°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Through Hole Through Hole Through Hole Through Hole
Package / Case TO-226-3, TO-92-3 (TO-226AA) Formed Leads TO-226-3, TO-92-3 (TO-226AA) Formed Leads TO-226-3, TO-92-3 (TO-226AA) TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package TO-92-3 TO-92-3 TO-92-3 TO-92-3

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