My Inquiry
My Account
Texas Instruments LM4132DQ1MFT3.0
- Part No.:
- LM4132DQ1MFT3.0
- Manufacturer:
- Texas Instruments
- Category:
- Voltage Reference
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LM4132DQ1MFT3.0.pdf
- Description:
- IC VREF SERIES 0.4% SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:871
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LM4132DQ1MFT3.0 from Texas Instruments is a precision low-dropout (LDO) voltage reference IC delivering a stable 3.0 V output with ±0.4% initial accuracy, 20 ppm/°C temperature coefficient over –40°C to +125°C, and 60 µA quiescent current. It features an enable pin for 3 µA shutdown mode, supports up to 20 mA load current, and operates with input voltages as low as VREF + 400 mV - making it suitable for automotive sensor signal conditioning and battery-powered data acquisition systems.
For engineers reviewing the LM4132DQ1MFT3.0 datasheet, LM4132DQ1MFT3.0 pinout, LM4132DQ1MFT3.0 application, or LM4132DQ1MFT3.0 equivalent, this device offers AEC-Q100 Grade 1 qualification, SOT-23-5 packaging, no required output capacitor, and verified performance in precision ADC biasing, closed-loop servo feedback, and automotive-grade instrumentation where long-term stability (50 ppm over 1000 hrs) and thermal hysteresis (75 ppm) are critical selection criteria.
Technical Context
The LM4132DQ1MFT3.0 implements a CMOS band-gap architecture with EEPROM-based curvature and tempco correction, enabling laser-trimmed-level accuracy without laser trimming. Its internal LDO regulator delivers regulated 3.0 V output independent of input ripple, with line regulation of 70 ppm/V and load regulation of 25 ppm/mA under 0–20 mA loads.
It integrates an active enable circuit with VIH = 65% VIN and VIL = 35% VIN thresholds, supporting seamless power sequencing in multi-rail automotive ECUs. The device achieves 400 mV dropout at full load and 175 mV at 10 mA, while maintaining 240 µVPP (0.1–10 Hz) output noise - critical for high-resolution SAR ADC references.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 3.0 V ±0.4% (D-grade, 25°C), enabling direct interface with 3.0 V ADC reference inputs without scaling resistors |
| Initial Accuracy | ±0.4% (D grade), reducing calibration overhead in factory-trimmed industrial sensors |
| Tempco | 20 ppm/°C (–40°C to +125°C), ensuring ≤±0.6 mV drift across full automotive ambient range |
| Quiescent Current | 60 µA (active), allowing >1-year battery life in 10 µA sleep-cycle portable test equipment |
| Shutdown Current | 3 µA (EN = low), supporting ultra-low-power wake-on-event architectures |
| Dropout Voltage | 175 mV @ 10 mA, permitting operation from single-cell Li-ion (3.0–4.2 V) or 3.3 V rails with margin |
| Load Current | 20 mA max, sufficient to drive ADC reference inputs, op-amp bias networks, and DAC buffers simultaneously |
Pinout & Package
SOT-23-5 (DBV) package, 2.90 mm × 1.60 mm body size, with exposed pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - N/C | No-connect terminal | Must remain floating; no PCB trace or solder connection permitted |
| 2 - GND | Analog ground reference | Primary return path for reference output and internal band-gap core; requires low-impedance star grounding |
| 3 - EN | Digital enable input | Active-high logic control; transitions at 35–65% VIN; enables fast (<10 µs) wake-up from shutdown |
| 4 - VIN | Input supply rail | Accepts 3.4 V to 5.5 V; minimum headroom = VREF + 400 mV for regulation |
| 5 - VREF | Precision output terminal | 3.0 V reference source; stable with ceramic capacitors ≥100 nF on VIN; no COUT required |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation in automotive ECUs and ADAS modules |
| EEPROM-trimmed curvature compensation | Eliminates need for external tempco correction circuits in wide-temperature industrial transmitters |
| No output capacitor required | Reduces BOM count and PCB area in space-constrained modules like OBD-II dongles and tire pressure sensors |
| 20 ppm/°C tempco over full range | Enables <1 LSB error in 16-bit ADC systems (e.g., 3.0 V / 65536 ≈ 46 µV LSB) across –40°C to +125°C |
| 400 mV max dropout at 20 mA | Supports operation from degraded 3.3 V supplies (e.g., 3.3 V – 0.4 V = 2.9 V > 3.0 V output) |
Applications
| Automotive Sensor Signal Conditioning | Portable Data Acquisition |
|---|---|
|
Use Scenario: Biasing bridge sensors (e.g., strain gauges, pressure transducers) in engine control units and brake-by-wire systems. IC Role / Device Role / Timing Role: Provides stable 3.0 V excitation and ADC reference voltage with matched tempco to minimize ratiometric error. Use Value: Maintains <±0.1% total error over temperature due to 20 ppm/°C matching between excitation and reference paths. |
Use Scenario: Powering 16-bit SAR ADCs and microcontroller analog peripherals in handheld multimeters and field calibrators. IC Role / Device Role / Timing Role: Precision reference source for ADC conversion and internal VREF generator. Use Value: Enables 16-bit effective resolution (≤46 µV LSB) without external trimming, supported by 50 ppm long-term stability over 1000 hrs. |
| Industrial Closed-Loop Servo Control | Battery-Powered Medical Monitoring |
|
Use Scenario: Generating feedback reference for motor current sensing and position loop comparators in servo drives. IC Role / Device Role / Timing Role: Stable 3.0 V reference for current-sense amplifier gain-setting and comparator threshold generation. Use Value: 25 ppm/mA load regulation ensures <±0.075 mV shift across 0–20 mA sensor output range, preserving loop accuracy. |
Use Scenario: Supplying reference voltage to ECG front-end ADCs and pulse oximeter analog signal chains in wearable monitors. IC Role / Device Role / Timing Role: Low-noise (240 µVPP, 0.1–10 Hz), low-power reference for biopotential measurement. Use Value: 240 µVPP noise contributes <0.005% of full-scale 3.0 V range, meeting IEC 60601-2-27 ECG baseline noise requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM4132DMF-3.0 | Same electrical specs but non-automotive grade (no AEC-Q100 qualification); 0°C to +70°C operating range | Not qualified for under-hood automotive use; suitable for commercial test equipment and industrial PLCs | Select when AEC-Q100 compliance is unnecessary and cost sensitivity is higher |
| REF3330AIDBVR | 3.0 V, ±0.1% initial accuracy, 10 ppm/°C tempco, 3.8 µA IQ, SOT-23-5 - tighter accuracy but lower drive (5 mA) | Limited to low-current reference roles (e.g., MCU VREF, low-power ADCs); cannot drive 20 mA loads | Select when ultra-low power dominates over load capability, and higher accuracy justifies reduced drive strength |
Compared with LM4132DQ1MFT3.0, LM4132DMF-3.0 sacrifices automotive qualification for lower cost in benign environments, while REF3330AIDBVR trades 20 mA drive capability for sub-µA quiescent current and superior accuracy - making LM4132DQ1MFT3.0 the optimal choice for AEC-Q100-compliant systems requiring both robustness and moderate load drive.
Availability
LM4132DQ1MFT3.0 is available at Aetrix Electronics and suitable for automotive sensor modules, portable instrumentation, and industrial servo controllers requiring stable component supply with guaranteed long-term availability and AEC-Q100 compliance.
Supply support for LM4132DQ1MFT3.0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision analog ICs and automotive-grade components.
The LM4132 family was designed to deliver laser-trimmed reference performance using cost-effective CMOS+EEPROM architecture, targeting automotive, industrial, and portable instrumentation applications demanding high accuracy, low power, and extended temperature operation.
FAQ
What is the maximum input voltage for LM4132DQ1MFT3.0?
The absolute maximum input voltage for LM4132DQ1MFT3.0 is 6 V, but the recommended maximum operating input voltage is 5.5 V. Exceeding 5.5 V may compromise long-term reliability or violate safe operating area limits, especially at elevated temperatures. Operation within the 3.4 V to 5.5 V range ensures full specification compliance across –40°C to +125°C.
Does LM4132DQ1MFT3.0 require an output capacitor for stability?
No, LM4132DQ1MFT3.0 does not require an output capacitor for stability - a key differentiator from many competing references. It is internally compensated and remains stable driving capacitive loads up to 10 nF. An output capacitor may be added for additional noise filtering, but it is optional and not needed for regulation integrity.
What is the enable pin behavior during power-up for LM4132DQ1MFT3.0?
The enable pin (EN) of LM4132DQ1MFT3.0 has CMOS-compatible thresholds: VIH = 65% VIN and VIL = 35% VIN. During power-up, the device remains in shutdown until VIN reaches ~1.05 V (assuming 3.0 V output), then EN must exceed that threshold to activate. No external pull-up is required, but a weak pull-up to VIN is recommended for deterministic startup in noisy environments.
How does LM4132DQ1MFT3.0 achieve 20 ppm/°C tempco over –40°C to +125°C?
LM4132DQ1MFT3.0 achieves its 20 ppm/°C tempco through EEPROM-programmable curvature correction applied to a CMOS band-gap core. This post-assembly trimming compensates for package-induced stress shifts that degrade tempco in traditional laser-trimmed devices, enabling consistent performance across the full automotive temperature range without external components.
Is LM4132DQ1MFT3.0 pin-compatible with other LM4132 variants?
Yes, all LM4132 variants - including LM4132DQ1MFT3.0, LM4132AMF-2.5, and LM4132BMF-3.3 - share identical SOT-23-5 (DBV) pinout and footprint. Pin 1 is N/C, Pin 2 is GND, Pin 3 is EN, Pin 4 is VIN, and Pin 5 is VREF. This allows drop-in replacement across voltage options and grades when board layout accommodates the same package.
LM4132DQ1MFT3.0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- SC-74A, SOT-753
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Current - Output:
- 20 mA
- Tolerance:
- ±0.4%
- Temperature Coefficient:
- 20ppm/°C
- Noise - 0.1Hz to 10Hz:
- 285µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- 3.4V ~ 5.5V
- Current - Supply:
- 100µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
LM4132DQ1MFT3.0 FAQ
1.How can I place an order for LM4132DQ1MFT3.0 through Aetrix?
Please submit a Request for Quotation (RFQ) for LM4132DQ1MFT3.0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM4132DQ1MFT3.0 reliable?
The price and inventory of LM4132DQ1MFT3.0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM4132DQ1MFT3.0 is usually 5 days.
3.What payment methods are accepted for LM4132DQ1MFT3.0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM4132DQ1MFT3.0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM4132DQ1MFT3.0?
LM4132DQ1MFT3.0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM4132DQ1MFT3.0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM4132DQ1MFT3.0?
For technical support, including LM4132DQ1MFT3.0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM4132DQ1MFT3.0 requirements.
6.How does Aetrix verify that LM4132DQ1MFT3.0 is sourced from the original manufacturer or authorized distributors?
All LM4132DQ1MFT3.0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM4132DQ1MFT3.0 meets industry standards.
7.What is the process for return or replacement of LM4132DQ1MFT3.0?
All LM4132DQ1MFT3.0 units undergo pre-shipment inspection (PSI). If there is an issue with LM4132DQ1MFT3.0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM4132DQ1MFT3.0 part is unused and in its original packaging.
Return procedure for LM4132DQ1MFT3.0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM4132DQ1MFT3.0 Tags
-
TL431AIDBZR
Texas Instruments
-
TL431BQDBZR
Texas Instruments
-
AN431AN-ATRG1
Diodes Incorporated
-
LM4040CYM3-2.5-TR
Microchip Technology
-
LM4040CYM3-4.1-TR
Microchip Technology
-
LM4040EIM3-2.5/NOPB
Texas Instruments
-
AZ431LBNTR-G1
Diodes Incorporated
-
LM4040D20IDBZR
Texas Instruments
-
LM4041DIM3-ADJ/NOPB
Texas Instruments
-
LM4040DIM3X-2.5/NOPB
Texas Instruments
-
LM4040DIM3-2.5/NOPB
Texas Instruments
-
AZ431LANTR-G1
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
