IC CURRENT SOURCE ADJ 8-SOIC
The LM334D is a 3-terminal adjustable current source.
LM334D Adjustable Current Source: Feature, Specification, and Datasheet
IC CURRENT SOURCE ADJ 8-SOIC The LM334D is a 3-terminal adjustable current source.
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Jun 24, 2021
Ralap Trollpoe
LM334D
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LM334D Description
The LM334D is a 3-terminal adjustable current source characterized by:
■ an operating current range of 10000: 1
■ an excellent current regulation
■ a wide dynamic voltage range of 1V t 10V
The current is determined by an external resistor without requiring other external components.
Reverse voltages of up to 20V will only draw a current of several microamperes. This enables the circuit to operate as a rectifier and as a source of current in a.c. applications.
For the LM334D, the voltage on the control pin is 64mV at +25°C and is directly proportional to the absolute temperature (°K). The simplest external resistor connection generates a current with approximately 0.33%/°C temperature dependence. Zero drift can be obtained by adding an additional resistor and a diode to the external circuit.
LM334D Features
■ Operates from 1V to 40V
■ 0.02%/V current regulation
■ Programmable from 1µA to 10mA
■ ±3% initial accuracy
Specifications
STMicroelectronics LM334D technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics LM334D.
LM334D Tech Specifications
LM334D Tech Specifications
STMicroelectronics LM334D technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics LM334D.
| Product Attribute | Attribute Value | |
|---|---|---|
| Mount | Surface Mount | |
| Mounting Type | Surface Mount | |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) | |
| Number of Pins | 8Pins | |
| Operating Temperature | 0°C~70°C | |
| Packaging | Tube | |
| JESD-609 Code | e4 | |
| Part Status | Obsolete | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Number of Terminations | 8Terminations | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Position | DUAL | |
| Terminal Form | GULL WING |
| Product Attribute | Attribute Value | |
|---|---|---|
| Peak Reflow Temperature (Cel) | 260 | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Base Part Number | LM334 | |
| Function | Current Source | |
| Number of Outputs | 1Output | |
| Output Voltage | 20V | |
| Max Output Current | 10mA | |
| Supply Voltage-Min (Vsup) | 1V | |
| Max Supply Voltage | 40V | |
| Analog IC - Other Type | ANALOG CIRCUIT | |
| Element Configuration | Single | |
| Nominal Supply Current | 10mA | |
| Max Supply Current | 10mA |
| Product Attribute | Attribute Value | |
|---|---|---|
| Accuracy | ±3% | |
| Min Input Voltage | 1V | |
| Max Input Voltage | 30V | |
| Reference Type | Adjustable | |
| Min Output Voltage | 1V | |
| Height | 1.25mm | |
| Length | 4.9mm | |
| Width | 3.9mm | |
| Radiation Hardening | No | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
LM334D Schematic Diagram
LM334D Typical Application
LM334D Package
LM334D Manufacturer
STMicroelectronics is a global independent semiconductor company and is a leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivaled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio, and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology, and its products play a key role in enabling today's convergence trends.
Datasheet PDF
Download datasheets and manufacturer documentation for STMicroelectronics LM334D.
LM334D Documents
LM334D Documents
Download datasheets and manufacturer documentation for LM334D
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