LM4128BQ1MF2.0/NOPB
IC VREF SERIES 0.2% SOT23-5
Quick Answer: The LM4128BQ1MF2.0/NOPB from Texas Instruments is a fixed series voltage reference in a SOT-23-5 surface-mount package.
- Manufacturer
- Texas Instruments
- Product Category
- Voltage Regulators & Voltage Controllers
- Package
- SC-74A, SOT-753
- Stock
- 9,940 pcs
- Availability
- Current quantity subject to confirmation.
Product Attributes
| Manufacturer | Texas Instruments |
|---|---|
| Product Category | Voltage Regulators & Voltage Controllers |
| Current - Output | 20 mA |
| Current - Supply | 100µA |
| Grade | Automotive |
| Min Qty | 1 |
| Mounting Type | Surface Mount |
| Noise - 0.1Hz to 10Hz | 190µVp-p |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Output Type | Fixed |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Product status | Active |
| Qualification | AEC-Q100 |
| Reference Type | Series |
| Supplier Device Package | SOT-23-5 |
| Temperature Coefficient | 75ppm/°C |
| Tolerance | ±0.2% |
| Voltage - Input | 2.448V ~ 5.5V |
| Voltage - Output (Min/Fixed) | 2.048V |
| Datasheet | View Datasheet PDF |
Procurement Snapshot
Key supply and purchasing information for LM4128BQ1MF2.0/NOPB.
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Detailed Description for LM4128BQ1MF2.0/NOPB
Product Overview
The LM4128BQ1MF2.0/NOPB from Texas Instruments is a fixed series voltage reference in a SOT-23-5 surface-mount package. It provides a 2.048V output with ±0.2% tolerance and a 75ppm/°C temperature coefficient. The device operates from a 2.448V to 5.5V input, has a 20 mA output current, and draws 100µA supply current. Its noise is 190µVp-p from 0.1Hz to 10Hz. It is an automotive-grade device qualified to AEC-Q100.
Key Features
- Fixed 2.048V series voltage reference output
- ±0.2% output tolerance and 75ppm/°C temperature coefficient
- 20 mA output current and 100µA supply current
- 190µVp-p noise from 0.1Hz to 10Hz
- 2.448V to 5.5V input voltage range
- -40°C to 125°C junction temperature range
- AEC-Q100 qualified automotive grade
- SOT-23-5 surface-mount package
Applications
- Reference voltage for analog-to-digital converters requiring a fixed 2.048V input reference
- Biasing or thresholding in sensor signal chains where low supply current is relevant
- Feedback reference in automotive power management circuits qualified to AEC-Q100
- Compact measurement modules using a surface-mount SOT-23-5 reference
Design & Procurement Notes
Designers should verify that the fixed 2.048V output, ±0.2% tolerance, and 75ppm/°C coefficient fit the system accuracy budget. The 2.448V to 5.5V input range and 100µA supply current are useful for low-power rail-derived reference circuits, while the 20 mA output current should be checked against the reference load. The 190µVp-p 0.1Hz to 10Hz noise and -40°C to 125°C junction temperature range are relevant for measurement stability and thermal design. The SOT-23-5 surface-mount package requires SMT assembly and footprint planning, and AEC-Q100 automotive qualification should be considered for automotive use.
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