LM385Z-1.2

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LM385Z-1.2

IC VREF SHNT -2.4%/+2.01% TO92-3

  • Manufacturer
  • Mfr. Part #LM385Z-1.2
  • Package
  • Datasheet
  • In Stock6469

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Specifications

Part Status Obsolete
Reference Type Shunt
Output Type Fixed
Voltage - Output (Min/Fixed) 1.235V
Current - Output 20 mA
Tolerance -2.4%, +2.01%
Temperature Coefficient 80ppm/°C Typical
Noise - 10Hz to 10kHz 60µVrms
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Through Hole
Package / Case TO-226-3, TO-92-3 Long Body
Supplier Device Package TO-92 (TO-226)
Base Product Number LM385
Current - Cathode 20 µA

Overview

Description

The LM385Z-1.2 is a precision voltage reference IC designed to provide a stable reference voltage of 1.2 volts. It features a wide operating voltage range, typically from 3V to 40V, making it suitable for various applications, including power supplies, instrumentation, and sensor interfacing.
Key features include low output impedance, low temperature coefficient, and excellent stability over time and temperature. The device is available in a TO-92 package, making it easy to integrate into electronic circuits. It can be used in both series and shunt configurations, offering versatility in design.
Due to its precision and reliability, the LM385Z-1.2 is ideal for applications requiring accurate voltage reference, such as digital voltmeters and analog-to-digital converters. Overall, it serves as a crucial component in ensuring accurate voltage regulation and reference across a range of electronic systems.

Features

The LM385Z-1.2 is a precision voltage reference designed for a variety of applications. Key features include:
1. Reference Voltage: It provides a stable output voltage of 1.2V.
2. Temperature Coefficient: The device has a low temperature coefficient of typically 30 ppm/°C, ensuring minimal drift over temperature variations.
3. Output Impedance: It offers low output impedance, enhancing performance in varying load conditions.
4. Wide Operating Range: The device operates over a wide voltage range (up to 20V) and can handle up to 20 mA of output current.
5. Package Options: Available in TO-92 and surface mount packages, facilitating easy integration into various designs.
6. Noise Performance: The LM385Z-1.2 features low noise characteristics, making it suitable for precision applications.
7. Reverse Polarity Protection: It is designed to withstand reverse voltage without damage.
These features make the LM385Z-1.2 ideal for use in voltage regulation, reference circuits, and various analog applications.

Package

The LM385Z-1.2 is typically available in a TO-92 package type. This is a cylindrical plastic package commonly used for low-power semiconductor devices.

Pinout

The LM385Z-1.2 is a voltage reference diode with a pin count of 3. Its primary function is to provide a stable reference voltage of 1.2 volts, which is used in various electronic applications for voltage regulation and precision reference needs.
### Pin Functions:
1. Pin 1 (Anode): This is the positive terminal connected to the power supply or circuit requiring the reference voltage.
2. Pin 2 (Cathode): This is the negative terminal, where the reference voltage is provided.
3. Pin 3 (Case/Tab): Often connected to the ground or common reference point in the circuit to ensure stability and proper functioning.
This component is commonly used in analog applications, precision voltage sources, and as a part of voltage regulation circuits.

Manufacturer

The LM385Z-1.2 is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is renowned for designing and producing semiconductors and various integrated circuits. It serves a wide range of industries, including automotive, industrial, communications, and consumer electronics.
The LM385Z-1.2 is a low-dropout (LDO) voltage reference IC, providing a stable output voltage, making it suitable for applications requiring precision voltage references in analog circuits. Texas Instruments is recognized for its innovation and extensive portfolio of products, including analog chips, microcontrollers, and digital signal processors, contributing significantly to advancements in electronics and technology.

Application

The LM385Z-1.2 is a precision voltage reference commonly used in applications such as voltage regulation, analog-to-digital converters, instrumentation, and sensor calibration. It serves as a stable reference voltage for power supply circuits, measurement systems, and data acquisition systems, ensuring accuracy and reliability in electronic designs.

Equivalent

Equivalent products to the LM385Z-1.2 include the LM385Z-1.2B, LM1117-1.2, and TL431. Additionally, the LM317 in a fixed configuration can serve similar purposes. Ensure to check specifications such as voltage reference accuracy, temperature coefficients, and package types when substituting.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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