LM385Z-2.5

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LM385Z-2.5

IC VREF SHUNT 3% TO92-3

  • 제조업체
  • Mfr.부분 #LM385Z-2.5
  • 패키지 TO226-3
  • 데이터시트
  • 재고 있음2176

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사양

Package Bulk,Bulk
ProductStatus Obsolete
ReferenceType Shunt
OutputType Fixed
Voltage-Output(Min/Fixed) 2.5V
Current-Output 20 mA
Tolerance ±3%
TemperatureCoefficient 80ppm/°C Typical
Noise-10Hzto10kHz 120µVrms
Current-Cathode 30 µA
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case TO-226-3, TO-92-3 Long Body

개요

Description

The LM385Z-2.5 is a precision voltage reference designed to provide a stable 2.5V output. It is commonly used in applications requiring accurate voltage regulation and reference, such as analog-to-digital converters and data acquisition systems. The device is known for its low temperature coefficient and low power consumption, which make it suitable for battery-operated devices. It operates with a wide range of load currents, typically from 20µA to 20mA, and maintains excellent stability across varying conditions.
The LM385Z-2.5 comes in a TO-92 package, which is popular for its ease of use in both prototype and production circuits. Its design allows it to function in a two-terminal "zener" mode, and it can work effectively in either series or shunt configurations. The low dynamic impedance and wide operating current range add to its versatility. Additionally, this voltage reference features a temperature stability of typically ±150 ppm/°C, giving it reliable performance across a range of temperatures. Overall, the LM385Z-2.5 is a robust and efficient solution for precision voltage reference needs.

Features

The LM385Z-2.5 is a precision voltage reference diode with a nominal output voltage of 2.5V. Key features include:
1. Low Power Consumption: It is designed for low power applications, operating with a minimal quiescent current.
2. Wide Operating Voltage Range: It functions effectively over a wide range of input voltages.
3. Temperature Stability: Offers excellent temperature coefficient performance, ensuring stable output across varying temperatures.
4. Precision Output: Provides a precise and stable 2.5V reference voltage suitable for high accuracy applications.
5. Low Dynamic Impedance: Ensures consistent performance with changes in load current or input voltage.
6. Compact Packaging: Comes in a TO-92 package, making it easy to integrate into various designs.
7. Versatile Applications: Suitable for use in battery-operated devices, A/D and D/A converters, and other precision measurement systems.
Overall, the LM385Z-2.5 is an efficient and reliable choice for applications requiring a stable voltage reference.

Package

The LM385Z-2.5 is a precision voltage reference available in a TO-92 package type. It's typically used in applications requiring a stable voltage reference, offering low power consumption and reliable performance in a compact form factor.

Pinout

The LM385Z-2.5 is a precision voltage reference. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, although other package types like TO-92 and SOT-23 might also be available, depending on the manufacturer.
For the LM385Z-2.5:
- Pin Count: The TO-92 package has 3 pins, while the SOIC package has 8 pins. However, the functionality primarily utilizes 3 pins.
- Pin Function:
1. Cathode (C): Connected to ground or a negative voltage supply.
2. Anode (A): Provides the voltage reference output, typically 2.5 volts.
3. Adjust (optional): Used to fine-tune the output voltage, but this pin might not be present or needed depending on the package and specific application.
The LM385Z-2.5 is designed for low power consumption and provides a stable voltage reference across varying conditions, making it suitable for precision applications. Ensure to check the specific datasheet for your package type to confirm pin configuration and count.

Manufacturer

The LM385Z-2.5 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. The company is known for producing a wide range of analog and embedded processing chips, which are integral components in various electronic devices. Texas Instruments serves numerous industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in technology and its significant contributions to the semiconductor industry.

Application

The LM385Z-2.5 is a precision voltage reference diode. Its application areas include providing a stable reference voltage for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs), serving as a reference in power supply regulation, and stabilizing voltage in sensor circuits. It is used in battery-operated devices due to its low power consumption and is suitable for use in portable instrumentation, data acquisition systems, and precision measurement equipment.

Equivalent

The LM385Z-2.5 is a voltage reference diode. Equivalent products include:
1. TL431 (Texas Instruments) – though adjustable, it can be configured for 2.5V.
2. LM285-2.5 and LM385-2.5 from different manufacturers.
3. REF1004-2.5 (Texas Instruments).
4. LM336-2.5 (Texas Instruments).
Ensure compatibility by checking datasheets for parameter matching, as there might be variations in package, temperature range, and electrical characteristics.

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