PREF4132A33DBVRQ1 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
Texas Instruments PREF4132A33DBVRQ1 is an automotive-grade precision voltage reference delivering a fixed 3.3 V output with 12 ppm/°C temperature coefficient and low noise. The AEC-Q100-qualified device in a 5-pin SOT-23 package provides ±0.05% initial accuracy with up to 10 mA output current. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- PREF4132A33DBVRQ1 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 PREF4132A33DBVRQ1?
- 12 ppm/°C low temperature coefficient ensuring stable 3.3 V reference across the full automotive temperature range
- AEC-Q100 automotive qualification for reliable use in safety-critical vehicle electronics and ADAS systems
- Low-noise precision output with ±0.05% initial accuracy in a compact 5-pin SOT-23 package
What is PREF4132A33DBVRQ1 used for?
The PREF4132A33DBVRQ1 is designed for automotive infotainment, advanced driver-assistance systems (ADAS), and powertrain control units that demand a stable 3.3 V reference for high-resolution ADC biasing, DAC reference inputs, and sensor excitation circuits. Its low 12 ppm/°C drift and automotive qualification make it equally effective in industrial precision measurement instruments and medical monitoring equipment where long-term reference stability over wide temperature swings is critical.
What are the specifications of PREF4132A33DBVRQ1?
| 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 | 3.30165V |
| Output Voltage-Min | 3.29835V |
| 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 |
| Screening Level | AEC-Q100 |
| Supply Current-Max (Isup) | 0.1mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 3.34835V |
| 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 PREF4132A33DBVRQ1 datasheet?
PREF4132A33DBVRQ1 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PREF4132A33DBVRQ1?
Compatible alternatives and drop-in replacements for PREF4132A33DBVRQ1:
Frequently Asked Questions
What temperature coefficient does the PREF4132A33DBVRQ1 achieve and why does it matter for automotive ADC designs?
The PREF4132A33DBVRQ1 has a 12 ppm/°C temperature coefficient, meaning over a 150°C automotive range (-40°C to +125°C) the output shifts by at most 1.8 mV from the nominal 3.3 V. This tight drift is essential for 12-bit or 16-bit ADC accuracy in automotive body control modules and battery management systems where reference error directly reduces effective number of bits.
How much output current can the PREF4132A33DBVRQ1 source, and what limits its use with multiple ADC channels?
The device can source up to 10 mA (0.01 A) from its 3.3 V output. When driving multiple ADC reference inputs in parallel, the total current draw must remain below 10 mA to avoid output voltage droop. For systems with more than 3 or 4 simultaneous ADC channels each drawing 2 to 3 mA, a buffer amplifier should be added between the reference and the load.
Which automotive safety standards does the PREF4132A33DBVRQ1 comply with, and how does that simplify system certification?
The PREF4132A33DBVRQ1 carries AEC-Q100 Grade 1 qualification, confirming reliability across -40°C to +125°C junction temperature. Using a pre-qualified component removes the need for individual component stress testing during IATF 16949 or ISO 26262 functional-safety audits, shortening automotive design validation cycles by weeks and reducing per-part qualification cost.
For a compact ECU board, how much PCB area does the SOT-23 5-pin package of the PREF4132A33DBVRQ1 occupy?
The 5-pin SOT-23 package body measures approximately 2.9 mm × 1.6 mm with a pin pitch of 0.95 mm, occupying under 5 mm² of board area. This compact footprint allows the reference to be placed immediately adjacent to the ADC or DAC it serves, minimizing trace length and reducing noise pickup in high-impedance reference paths.
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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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