LM385Z-2.5

Name: LM385Z-2.5
Brand: Onsemi
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

85Z-2.5: Precision Voltage Reference with 2.5V Output at 20mA

6,696 Effective Inventory

LM385Z-2.5

Effective Inventory6,696

85Z-2.5: Precision Voltage Reference with 2.5V Output at 20mA

Manufacturer Part # : LM385Z-2.5
Package/Case: TO226-3
Brand: Onsemi
Product Categories : Voltage Reference
Series : LM385

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LM385Z-2.5 DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
5	$0.129	$0.64
50	$0.103	$5.15
150	$0.092	$13.80
1000	$0.075	$75.00
2000	$0.069	$138.00
5000	$0.065	$325.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM385Z-2.5 Details

The LM385Z-2.5 is a low voltage reference diode from Texas Instruments, designed for precision voltage regulation in various applications. This device features a high accuracy output voltage of 2.5V, making it suitable for use in power supplies, battery-operated equipment, and other systems requiring stable voltage references.

Pinout

1 (AN): Anode
2 (CATHODE): Cathode
3 (VCC): Positive Power Supply
4 (GND): Ground

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Low Voltage Reference: Provides a stable output voltage of 2.5V with high accuracy (±2%) over temperature.
Wide Operating Current Range: Designed for use in applications requiring operating currents from 10uA to 20mA.
Low Dynamic Impedance: Features a low dynamic impedance of 0.2 ohms, ensuring stable operation and minimizing noise effects.
Wide Temperature Range: Operates over a wide temperature range from -40°C to 125°C, making it suitable for use in various environments.

Applications

The LM385Z-2.5 is suitable for use in various applications requiring precision voltage regulation, including:

Power supplies
Battery-operated equipment
Automotive systems
Aerospace and defense applications

Where to Use

The LM385Z-2.5 is ideal for use in applications where a stable 2.5V reference voltage is required, such as:

DC power supplies
Battery-powered devices
Aerospace and defense systems

How to Use

To use the LM385Z-2.5, connect the anode (AN) to a stable voltage source, and the cathode (CATHODE) to ground. Apply power to VCC and ensure proper grounding for optimal performance.

Application Circuit

The application circuit diagram for the LM385Z-2.5 illustrates how to connect the device to a DC power supply, ensuring stable operation and precise voltage regulation.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM385Z-1.2: A similar low voltage reference diode from Texas Instruments offering a different output voltage.
LP2950: An alternative low dropout regulator (LDO) from Texas Instruments providing a stable output voltage with high accuracy.

Complementary

The LM385Z-2.5 can be complemented by the LM385Z-1.8, which offers a different output voltage and is suitable for use in applications requiring precision voltage regulation.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the accuracy of the LM385Z-2.5 output voltage?

A: The LM385Z-2.5 features an output voltage accuracy of ±2% over temperature.

Q: Can the LM385Z-2.5 be used in automotive applications?

A: Yes, the LM385Z-2.5 is suitable for use in automotive systems, offering a wide operating temperature range and high reliability.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Voltage References	RoHS	N
Mounting Style	Through Hole	Package / Case	TO-92
Reference Type !	Shunt Precision References	Output Voltage	2.5 V
Initial Accuracy	3 %	Temperature Coefficient !	150 PPM / C
Shunt Current - Max	20 mA	Minimum Operating Temperature	0 C
Maximum Operating Temperature !	+ 70 C	Accuracy	20 mV
Brand	Texas Instruments	Height	5.2 mm (Max)
Length	5.2 mm (Max)	Load Regulation !	20 mV
Product	Voltage References	Product Type !	Voltage References
Shunt Current - Min	20 uA	Factory Pack Quantity	1800
Subcategory	PMIC - Power Management ICs	Topology	Shunt References
Width	4.19 mm (Max)	Unit Weight	0.016000 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM385Z-2.5 PDF Download

FAQs

What is LM385Z-2.5?

The LM385Z-2.5 is a precision adjustable shunt voltage reference integrated circuit designed by Texas Instruments. It provides a stable voltage output of 2.5V, making it suitable for applications requiring a precise voltage reference, such as analog circuits and voltage regulators.

How Does LM385Z-2.5 Work?

The LM385Z-2.5 works by establishing a stable 2.5V output voltage reference relative to its input voltage. It utilizes a bandgap reference circuit to generate a stable voltage output independent of variations in the supply voltage and temperature. The device can source or sink current to maintain the output voltage at 2.5V.

How Many Pins does LM385Z-2.5 have and What are the Functions of the Pinout Configuration?

The LM385Z-2.5 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

V-: Negative power supply pin.
ADJ: Voltage adjustment pin.
CATHODE: Cathode of the shunt reference.
ANODE: Anode of the shunt reference.
VOUT: Output voltage pin.
V+: Positive power supply pin.
NC: No connection pin.

What are the Pros and Cons of LM385Z-2.5?

Pros:

Precision Output: Provides a highly precise 2.5V output voltage reference.
Stability: Offers stable output voltage over varying conditions.
Low Power Consumption: Operates with low power, suitable for power-conscious applications.
Small Package: The 8-pin SOIC package is compact and space-efficient.

Cons:

Temperature Dependency: Like most voltage references, the LM385Z-2.5 output may vary slightly with temperature changes.
Load Regulation: May require additional components for improved load regulation in certain applications.
Noisy Environments: High noise environments may affect the precise voltage output.

Are There Any Equivalents/Alternatives to LM385Z-2.5 for Recommendation?

The LM4040 from Texas Instruments is a comparable shunt voltage reference with 2.5V output.
Alternatives to the LM385Z-2.5 include the REF02 from Analog Devices and the LM336 from Texas Instruments.