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LM234Z
Three Terminal Adjustable Current Source
LM234Z
Three Terminal Adjustable Current Source
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Manufacturer Part # : LM234Z
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Package/Case: TO-92-3
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Brand: STMicroelectronics
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Product Categories : Current Regulation/Management
Quality Assurance
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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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LM234Z DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The LM134/LM234/LM334 are 3-terminal adjustable current sources characterized by:■ an operating current range of 10000: 1 ■ an excellent current regulation ■ a wide dynamic voltage range of 1V t 10VThe 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.Features ■ Operates from 1V to 40V ■ 0.02%/V current regulation ■ Programmable from 1µA to 10mA ■ ±3% initial accuracy
Key Features
- Operates from 1V to 40V
- 0.02%/V current regulation
- Programmable from 1µA to 10mA
- ±3% initial accuracy
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Part Package Code | TO-92 | Pin Count ! | 3 |
| Reach Compliance Code | not_compliant | HTS Code ! | 8542.39.00.01 |
| Analog IC - Other Type | ANALOG CIRCUIT | JESD-30 Code | O-PBCY-T3 |
| JESD-609 Code | e0 | Number of Functions | 1 |
| Number of Terminals | 3 | Operating Temperature-Max | 100 °C |
| Operating Temperature-Min | -25 °C | Package Body Material | PLASTIC/EPOXY |
| Package Code | TO-92 | Package Equivalence Code | SIP3,.1,50 |
| Package Shape | ROUND | Package Style | CYLINDRICAL |
| Qualification Status ! | Not Qualified | Supply Voltage-Max (Vsup) | 40 V |
| Supply Voltage-Min (Vsup) | 1 V | Surface Mount ! | NO |
| Technology | BIPOLAR | Temperature Grade ! | OTHER |
| Terminal Finish | TIN LEAD | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 1.27 mm | Terminal Position | BOTTOM |
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.
FAQs
What is LM234Z?
The LM234Z is a 3-terminal adjustable current source designed by Texas Instruments. It is commonly used as a temperature sensor and precision current regulator in various electronic applications.
How Does LM234Z Work?
The LM234Z operates as a precision current source by utilizing an internal bandgap voltage reference. It generates a constant current determined by an external resistor, making it suitable for applications such as temperature measurement and control, as well as precision current biasing.
How Many Pins does LM234Z have and What are the Functions of the Pinout Configuration?
The LM234Z is housed in a TO-92 (Transistor Outline) package. The pinout configuration includes:
- Anode: Connection for the anode of the internal diode.
- Cathode: Connection for the cathode of the internal diode and the current output.
- Case: The case serves as the electrical connection to the substrate and should be connected to the most negative point in the system.
What are the Pros and Cons of LM234Z?
Pros:
- Simple Design: The LM234Z has a straightforward application with minimal external components required.
- Low Voltage Operation: Can operate at low voltages, making it suitable for low-power applications.
- Temperature Sensor: Functions as a temperature sensor, providing a current output proportional to absolute temperature.
Cons:
- Low Current Range: Limited to lower current ranges due to its design.
- Package Size: The TO-92 package might not be suitable for all applications requiring surface-mount components.
Are There Any Equivalents/Alternatives to LM234Z for Recommendation?
- The LM335Z from Texas Instruments is a temperature sensor with a similar configuration.
- Alternatives to the LM234Z include the AD590 from Analog Devices and the TMP235 from Maxim Integrated.
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