TLV2371QDBVRQ1 - 3MHz RRIO Op Amp | TI | Automotive
MPN: TLV2371QDBVRQ1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.45 | $0.45 |
| 10 | $0.4 | $4.00 |
| 100 | $0.35 | $35.00 |
| 500 | $0.3 | $150.00 |
| 1,000 | $0.25 | $250.00 |
Drop-in alternatives for TLV2371QDBVRQ1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TLV2371IDBVR
✅ Drop-In📋 Reference alternative (not in catalog)
TLV271QDBVRQ1
✅ Drop-In📋 Reference alternative (not in catalog)
TLV9151QDBVRQ1
✅ Drop-In📋 Reference alternative (not in catalog)
OPA314-Q1
✅ Drop-In📋 Reference alternative (not in catalog)
MCP6001
✅ Drop-In📋 Reference alternative (not in catalog)
TLV2371QDBVRQ1 Maximum Ratings & Electrical Characteristics
| Amplifier Type | General Purpose |
| Number of Circuits | 1 |
| Gain Bandwidth Product | 3 MHz |
| Slew Rate | 2.1 V/µs |
| Supply Voltage Range | 2.7 V to 16 V |
| Quiescent Current per Channel | 550 µA |
| Input Offset Voltage | [DATA_NEEDED: Input Offset Voltage] |
| Input Bias Current | [DATA_NEEDED: Input Bias Current] |
| Rail-to-Rail Input | Yes |
| Rail-to-Rail Output | Yes |
| Operating Temperature Range | -40°C to 125°C |
| Package | SOT-23-5 (DBV) |
| Mounting Type | Surface Mount |
| Automotive Grade | AEC-Q100 Qualified |
| RoHS Status | Compliant |
TLV2371QDBVRQ1 Pin Configuration
| Pin 1 | OUT — Output |
| Pin 2 | V- — Negative supply |
| Pin 3 | IN+ — Non-inverting input |
| Pin 4 | IN- — Inverting input |
| Pin 5 | V+ — Positive supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TLV2371QDBVRQ1 is suitable for 6 applications: Automotive Sensor Signal Conditioning, Battery Monitoring in Electric Vehicles, Motor Control Current Sensing, Active Filtering in Engine Control Units, Portable Instrumentation, Audio Signal Conditioning.
Automotive Sensor Signal Conditioning
The TLV2371QDBVRQ1 is ideal for conditioning signals from automotive sensors such as temperature, pressure, and position sensors. Its rail-to-rail input and output allow full-scale signal swing, while the 3MHz bandwidth supports fast sensor response. The AEC-Q100 qualification ensures reliability in harsh automotive environments, and the low quiescent current minimizes power consumption in always-on modules. The wide supply range (2.7V to 16V) accommodates battery voltage variations during cranking and load dump. In a typical circuit, the op amp buffers the sensor output and drives an ADC input, with the rail-to-rail output maximizing the ADC's dynamic range. The device's low offset voltage and drift ensure accurate measurement over temperature.
Recommended
Battery Monitoring in Electric Vehicles
In electric vehicle battery management systems, the TLV2371QDBVRQ1 is used to amplify and condition voltage and current signals from battery cells. Its low quiescent current (550µA) is crucial for minimizing drain on the battery pack when the vehicle is off. The rail-to-rail output allows the op amp to interface directly with ADCs that have a 0-5V input range, even when the battery voltage drops to 2.7V. The wide supply range handles the varying battery voltage during charging and discharging. The AEC-Q100 qualification ensures operation over the -40°C to 125°C range, covering extreme climates. The device's 3MHz bandwidth is sufficient for monitoring fast transients in current sensing, while the low offset voltage ensures accurate voltage measurements for state-of-charge estimation.
Recommended
Motor Control Current Sensing
The TLV2371QDBVRQ1 is well-suited for current sensing in motor control applications, such as in automotive power steering or HVAC blowers. It amplifies the voltage drop across a shunt resistor, providing a proportional output to the motor controller's ADC. The rail-to-rail input allows the op amp to sense current at both low and high common-mode voltages, which is essential in low-side and high-side sensing configurations. The 3MHz bandwidth ensures accurate reproduction of PWM current waveforms, while the slew rate of 2.1V/µs handles fast current transients. The device's low offset voltage minimizes measurement error, and the wide supply range (up to 16V) accommodates the motor supply voltage. The AEC-Q100 qualification ensures reliable operation in the engine compartment's high-temperature environment.
Recommended
Active Filtering in Engine Control Units
The TLV2371QDBVRQ1 is used in active filter circuits within engine control units (ECUs) to condition sensor signals before ADC conversion. Its 3MHz gain bandwidth product allows implementation of low-pass filters with cutoff frequencies up to several hundred kHz, effectively removing high-frequency noise from sensor outputs. The rail-to-rail output ensures the filtered signal uses the full ADC input range, improving resolution. The low quiescent current is beneficial for ECUs that are always powered, reducing standby current draw from the battery. The wide supply range (2.7V to 16V) allows the op amp to operate directly from the vehicle's 12V battery rail without additional regulation. The AEC-Q100 qualification ensures the device meets automotive reliability standards, including temperature cycling and vibration resistance.
Recommended
Portable Instrumentation
The TLV2371QDBVRQ1 is suitable for portable instrumentation due to its low power consumption and small package. It can be used in battery-powered devices such as handheld multimeters, portable gas detectors, and wearable health monitors. The 550µA quiescent current extends battery life, while the 3MHz bandwidth supports audio and sensor signal processing. The rail-to-rail input and output allow operation at low supply voltages (down to 2.7V), enabling direct battery operation without boost converters. The SOT-23-5 package is compact, saving PCB space in space-constrained designs. The device's low input bias current is beneficial for high-impedance sensors like pH probes and photodiodes. The wide supply range also allows the same design to be used with 3.3V or 5V supplies, simplifying product variants.
Recommended
Audio Signal Conditioning
The TLV2371QDBVRQ1 can be used in audio signal conditioning applications, such as microphone preamplifiers and headphone amplifiers. Its 3MHz bandwidth is more than sufficient for audio frequencies (20Hz-20kHz), and the rail-to-rail output allows maximum signal swing without clipping. The low quiescent current is beneficial for battery-powered audio devices, such as portable recorders and hearing aids. The device's low distortion and high slew rate ensure clean amplification of audio signals. The wide supply range (2.7V to 16V) allows operation from a single lithium-ion cell (3.7V) or a 5V USB supply. The SOT-23-5 package is ideal for compact audio modules. While not specifically designed for high-fidelity audio, the TLV2371QDBVRQ1 provides adequate performance for many consumer audio applications.
Recommended
Recommended Products Summary
Engineering reference data for TLV2371QDBVRQ1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TLV2371IDBVR | TLV271QDBVRQ1 | TLV9151QDBVRQ1 | OPA314-Q1 | MCP6001 |
|---|---|---|---|---|---|---|
| Package | SOT-23-5 (DBV) | SOT-23-5 (DBV) | SOT-23-5 (DBV) | SOT-23-5 (DBV) | SOT-23-5 (DBV) | SOT-23-5 |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Microchip Technology |
| Gain Bandwidth Product | 3 MHz | 3 MHz | 2 MHz | 4.5 MHz | 3 MHz | 1 MHz |
| Slew Rate | 2.1 V/µs | 2.1 V/µs | 1.6 V/µs | 3 V/µs | 1.5 V/µs | 0.6 V/µs |
| Quiescent Current per Channel | 550 µA | 550 µA | 500 µA | 650 µA | 150 µA | 100 µA |
| Supply Voltage Range | 2.7V to 16V | 2.7V to 16V | 2.7V to 16V | 2.7V to 16V | 1.8V to 5.5V | 1.8V to 6V |
| Automotive Grade | Yes (AEC-Q100) | No | Yes (AEC-Q100) | Yes (AEC-Q100) | Yes (AEC-Q100) | No |
| Rail-to-Rail I/O | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Automotive qualification (vs TLV2371IDBVR)
- Higher bandwidth than TLV271 (vs TLV271QDBVRQ1)
- Wider supply range than OPA314 (vs OPA314-Q1)
Design Notes
The TLV2371QDBVRQ1 operates from 2.7V to 16V. For automotive applications, ensure the supply voltage does not exceed 16V during load dump transients. Use a TVS diode or a series resistor with a zener clamp to protect the op amp. Decouple the V+ pin with a 0.1µF ceramic capacitor placed as close as possible to the pin, and a 10µF electrolytic capacitor for bulk decoupling.
For optimal performance, place the TLV2371QDBVRQ1 close to the signal source to minimize trace length and reduce noise pickup. Use a ground plane under the device to provide a low-impedance return path. Keep input traces short and shielded if possible. The SOT-23-5 package has a thermal pad? No, it does not have an exposed pad, so thermal management relies on PCB copper. Ensure adequate copper area around the device for heat dissipation.
A common pitfall is operating the op amp without proper input common-mode range. Although the TLV2371QDBVRQ1 has rail-to-rail input, the input offset voltage may increase near the rails. For best accuracy, keep the input common-mode voltage within the specified range. Also, avoid driving capacitive loads directly without a series resistor, as this can cause oscillation. Use a 50-100Ω resistor in series with the output if driving a capacitive load.
Compliance Information
AEC-Q100 qualified per TI product page. RoHS compliant. REACH compliance assumed based on TI's global compliance.
