PREF4132A30DBVRQ1 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The PREF4132A30DBVRQ1 is an AEC-Q100 automotive-grade 3.0V precision voltage reference from Texas Instruments with 12ppm/°C temperature coefficient and low noise in a 5-pin SOT-23 package. It delivers 10mA maximum output current with 0.05% initial accuracy. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- PREF4132A30DBVRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PREF4132A30DBVRQ1?
- 12ppm/°C temperature coefficient maintains 3.0V output within ±3.6mV across -40°C to 125°C, critical for ADC reference accuracy in automotive sensor modules
- AEC-Q100 Grade 1 qualification ensures reliable operation in automotive powertrain and ADAS applications over the full -40°C to 125°C temperature range
- Low-noise design minimizes voltage reference noise below ADC LSB level, enabling 14-bit or 16-bit ADC systems to achieve full datasheet accuracy
- 3.0V nominal output with 0.05% initial accuracy (±1.5mV) eliminates factory calibration steps in production ADC and DAC reference circuits
- Compact 5-pin SOT-23 package with 10mA output current capability supports multiple ADC reference inputs from a single IC in space-constrained ECU designs
What is PREF4132A30DBVRQ1 used for?
The PREF4132A30DBVRQ1 serves as the precision ADC reference in automotive body control modules, battery management systems, and radar sensor front-ends that require stable 3.0V over a -40°C to 125°C temperature range. It is also used in industrial data acquisition cards and precision measurement instruments where a low-drift 3V reference anchors 12-bit to 16-bit ADC full-scale accuracy. Its AEC-Q100 Grade 1 rating and SOT-23 footprint make it a drop-in reference for ADAS camera modules and LiDAR signal conditioning chains.
What are the specifications of PREF4132A30DBVRQ1?
| Date Of Intro | 2020-02-22 |
| YTEOL | 0 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G5 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.01A |
| Output Voltage-Max | 3.0015V |
| Output Voltage-Min | 2.9985V |
| Output Voltage-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Screening Level | AEC-Q100 |
| Supply Current-Max (Isup) | 0.1mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 3.0485V |
| Surface Mount | YES |
| Technology | CMOS |
| Temp Coef of Voltage-Max | 12ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.05% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PREF4132A30DBVRQ1 datasheet?
PREF4132A30DBVRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PREF4132A30DBVRQ1?
Compatible alternatives and drop-in replacements for PREF4132A30DBVRQ1:
Frequently Asked Questions
How does the 12ppm/°C temperature coefficient of PREF4132A30DBVRQ1 affect a 12-bit ADC accuracy over the automotive temperature range?
Over -40°C to 125°C, a 165°C span, the 12ppm/°C coefficient produces a maximum voltage drift of 12 × 165 = 1980ppm or about 5.94mV on the 3.0V reference. For a 12-bit ADC with a 4096-count full scale, this drift represents fewer than 8 LSBs of total error, which is acceptable for most automotive sensor measurement applications without factory calibration.
What automotive qualification does PREF4132A30DBVRQ1 carry, and which vehicle subsystems does it support?
The device is qualified to AEC-Q100 Grade 1, covering a -40°C to 125°C junction temperature range. This makes it suitable for underhood electronics such as engine control units, transmission controllers, and battery management systems in hybrid and electric vehicles, where the ambient temperature routinely exceeds 85°C during normal operation.
How does PREF4132A30DBVRQ1 compare to a 50ppm/°C general-purpose reference in a precision 16-bit ADC application?
A 50ppm/°C reference drifts up to 8250ppm over a 165°C automotive range, introducing more than 0.5LSB error on a 16-bit ADC at half scale. The 12ppm/°C PREF4132A30DBVRQ1 limits the same drift to under 2000ppm, keeping ADC reference error below 0.13 LSB and preserving the accuracy advantage of the higher-resolution converter without requiring system-level temperature compensation.
Can PREF4132A30DBVRQ1 simultaneously supply the reference inputs of two ADCs from a single device?
The IC provides up to 10mA of output current, which is sufficient to drive two or three typical SAR ADC reference inputs simultaneously, since most 16-bit ADC reference pins draw under 1mA during conversion. The 5-pin SOT-23 package simplifies PCB routing with short, low-impedance traces to each ADC reference pin, minimizing noise coupling between the shared reference line and the ADC inputs.
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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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