LM4120AIM5-3.3/NOPBIn StockTexas Instruments
LM4120AIM5-3.3/NOPB is a precision series voltage reference with 0.2% initial accuracy and 50ppm/°C max temperature drift. Features shutdown enable, 12V max input, 3.3V output, and 5mA output current in a compact SOT-23-5 package. From $28.68, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- LM4120AIM5-3.3/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $28.6765(MOQ 7)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 0.2% initial accuracy with 50ppm/°C maximum temperature drift for high-precision applications
- Shutdown enable pin for power-saving control in battery-operated systems
- Wide input voltage range of 2V to 12V with stable 3.3V output
- Ultra-compact SOT-23-5 package ideal for space-constrained PCB designs
- Low output current capability of 5mA suitable for precision analog circuits
Applications
The LM4120AIM5-3.3/NOPB is widely used as a precision voltage reference in data acquisition systems, ADC/DAC reference circuits, and portable instrumentation where tight voltage accuracy and low temperature drift are critical. It is also well-suited for battery-powered devices leveraging its shutdown enable feature to minimize quiescent current, as well as in precision analog signal conditioning circuits and industrial measurement equipment requiring stable 3.3V references.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 2V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.005A |
| Output Voltage-Max | 3.3066V |
| Output Voltage-Min | 3.293V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.275mA |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 50ppm/°C |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.2% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM4120AIM5-3.3/NOPB:
Frequently Asked Questions
What is the output voltage accuracy of the LM4120AIM5-3.3/NOPB?
The LM4120AIM5-3.3/NOPB provides a 3.3V output with 0.2% initial accuracy, meaning the output voltage is within ±6.6mV of the nominal 3.3V value. The temperature coefficient is 50ppm/°C maximum, ensuring stable output across the operating temperature range.
What is the input voltage range and what package does the LM4120AIM5-3.3/NOPB come in?
The LM4120AIM5-3.3/NOPB operates with an input voltage range of 2V to 12V minimum to maximum. It is housed in a SOT-23-5 pin package, making it suitable for compact, space-constrained PCB designs in portable and handheld electronics.
What applications is the LM4120AIM5-3.3/NOPB best suited for?
This precision voltage reference is ideal for ADC and DAC reference circuits, data acquisition systems, portable instrumentation, and industrial measurement equipment. The shutdown enable pin makes it especially useful in battery-powered devices where power management is critical, supporting low quiescent current operation.
What are common alternatives to the LM4120AIM5-3.3/NOPB?
Common alternatives include the LM4041 adjustable precision shunt voltage reference and the REF3033 from Texas Instruments, both offering similar precision in compact packages. The LM4120 series itself offers multiple fixed output voltages (1.8V, 2.048V, 2.5V, 3.3V, 5V) for design flexibility.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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| 7+ | $33.0883 | $231.62 |
| 8+ | $31.9853 | $255.88 |
| 11+ | $28.6765 | $315.44 |
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