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Texas Instruments TLV316QDBVTQ1
- Part No.:
- TLV316QDBVTQ1
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
TLV316QDBVTQ1.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:773
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Product details
Overview
TLV316QDBVTQ1 from Texas Instruments is a single-channel, AEC-Q100 Grade 1 qualified rail-to-rail input/output CMOS operational amplifier designed for automotive signal conditioning. It delivers 10 MHz unity-gain bandwidth, 400 µA/ch quiescent current, and 12 nV/√Hz input voltage noise at 1 kHz - enabling high-precision, low-power sensing in battery management systems and ADAS front-end circuits.
For engineers reviewing the TLV316QDBVTQ1 datasheet, TLV316QDBVTQ1 pinout, TLV316QDBVTQ1 application, or TLV316QDBVTQ1 equivalent, this page provides verified technical context, validated pin functions, confirmed automotive-grade specifications (–40°C to +125°C), and real-world application mappings - all grounded in TI's SBOS845B production data sheet.
Technical Context
The TLV316QDBVTQ1 employs a complementary input stage (N- and P-channel differential pairs) to achieve rail-to-rail common-mode input range extending 200 mV beyond supply rails - critical for single-supply operation down to 1.8 V. Its class AB output stage drives 10-kΩ loads to within 35 mV of either rail, supporting direct interfacing with SAR ADCs.
It integrates an internal RFI/EMI filter on input pins and features no phase reversal under overdrive, with 60° phase margin and 6 V/µs slew rate ensuring stable unity-gain buffer operation even with moderate capacitive loads - validated per TI's Figure 7 and Figure 9 small/large-signal step response data.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Unity-Gain Bandwidth | 10 MHz - enables accurate amplification of signals up to ~1 MHz in closed-loop G = 1 configuration without excessive phase lag. |
| Quiescent Current | 400 µA/ch - supports always-on automotive modules (e.g., battery monitors) with minimal impact on system standby power. |
| Input Voltage Noise | 12 nV/√Hz at 1 kHz - preserves SNR in high-gain sensor interfaces (e.g., thermopile, strain gauge) where source impedance exceeds 100 kΩ. |
| Input Bias Current | ±10 pA - ensures <1 µV error in 100-MΩ feedback networks, essential for precision integrators and photodiode transimpedance amps. |
| Offset Voltage | ±0.75 mV (max at 25°C) - allows direct DC-coupled amplification of sub-10 mV signals (e.g., shunt-based current sensing) without trimming. |
| Supply Range | 1.8 V to 5.5 V - operates across automotive cold-crank (1.8 V) and nominal 5 V rail conditions without external regulation. |
| CMRR | 72 dB (min, –40°C to +125°C) - maintains accuracy in noisy vehicle environments where common-mode transients exceed ±1 V. |
Pinout & Package
SOT-23 (DBV) package, 1.60 mm × 2.90 mm body size, 5-pin surface-mount outline optimized for space-constrained automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT (Pin 1) | Amplifier output | Class AB rail-to-rail driver capable of sourcing/sinking ±50 mA; swings to within 35 mV of V+ or V– with 10-kΩ load. |
| V– (Pin 2) | Negative supply / ground reference | Low-impedance return path; supports single-supply operation when tied to system ground (0 V). |
| +IN (Pin 3) | Noninverting input | High-impedance node (10¹⁶ Ω || 2 pF); accepts signals from 200 mV below V– to 200 mV above V+ across full temperature range. |
| –IN (Pin 4) | Inverting input | Differential partner to +IN; enables standard op-amp configurations (inverting amp, transimpedance, active filter). |
| V+ (Pin 5) | Positive supply | Accepts 1.8–5.5 V; internal biasing remains stable across voltage and temperature - IQ varies only from 400 to 575 µA over full range. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for –40°C to +125°C ambient operation with HBM ESD ≥ ±4 kV and CDM ≥ ±750 V - meets automotive electronics reliability requirements. |
| Rail-to-rail input & output | Enables full dynamic range utilization in 1.8-V systems; eliminates level-shifting circuitry when driving 12-bit+ SAR ADCs. |
| Integrated RFI/EMI filter | Rejects >40 dB of 100-MHz–1-GHz interference at noninverting input - reduces offset drift in infotainment and radar subsystems. |
| No phase reversal | Prevents latch-up or uncontrolled output swing during input overdrive (e.g., load dump, ESD event), simplifying fault-tolerant design. |
| Stable IQ over temp/supply | Quiescent current remains ≤575 µA from –40°C to +125°C and 1.8 V to 5.5 V - ensures predictable power budget in thermal cycling environments. |
Applications
| ADAS Sensor Signal Conditioning | Automotive Battery Monitoring |
|---|---|
Use Scenario: Amplifying low-level analog outputs from radar MMICs or camera ISP analog front-ends in 12 V vehicle architectures. IC Role / Device Role / Timing Role: Precision gain stage with rail-to-rail I/O and EMI filtering before ADC sampling. Use Value: 10 MHz bandwidth supports fast transient capture; 12 nV/√Hz noise preserves SNR in 100-dB dynamic range radar receivers. |
Use Scenario: High-side current sensing in 12 V/48 V hybrid battery management systems with cold-crank resilience. IC Role / Device Role / Timing Role: Low-drift transimpedance amplifier converting shunt voltage to conditioned analog signal. Use Value: ±10 pA input bias current prevents error in megaohm-range sense resistors; 1.8 V operation sustains function during cranking dips. |
| Body Electronics Voltage Monitoring | LED Driver Feedback Control |
Use Scenario: Monitoring regulated 5 V or 3.3 V rails for lighting control modules and door ECU power integrity. IC Role / Device Role / Timing Role: Unity-gain buffer isolating monitoring circuitry from load variations on supply lines. Use Value: 400 µA IQ minimizes self-heating in sealed enclosures; rail-to-rail input captures undervoltage events down to 0.2 V above ground. |
Use Scenario: Closed-loop current regulation feedback for automotive exterior LED headlamps with PWM dimming. IC Role / Device Role / Timing Role: Fast-settling error amplifier comparing LED current sense voltage against reference. Use Value: 1 µs settling time to 0.1% ensures accurate current tracking during 100–200 Hz PWM cycles; 6 V/µs slew rate avoids distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV313QDBVRQ1 | Lower bandwidth (1 MHz), lower IQ (25 µA), higher offset (±3 mV) | Better suited for ultra-low-power always-on monitoring (e.g., intrusion detection), not high-speed signal chains | Select when power budget is <50 µA/channel and bandwidth ≤200 kHz suffices. |
| LM7321QMG/NOPB | Higher IQ (1.3 mA), higher bandwidth (20 MHz), no AEC-Q100 Grade 1 rating | Requires external EMI filtering; not qualified for under-hood deployment above 105°C ambient | Select only for cabin-mounted modules where extended temperature range is not required. |
Compared with TLV316QDBVTQ1, TLV313QDBVRQ1 trades bandwidth and precision for extreme low-power operation, while LM7321QMG/NOPB offers higher speed but lacks automotive qualification and integrated EMI rejection - making TLV316QDBVTQ1 the optimal balance for AEC-Q100-compliant, noise-sensitive, medium-bandwidth automotive analog front-ends.
Availability
TLV316QDBVTQ1 is available at Aetrix Electronics and suitable for automotive ADAS, battery management systems, and body electronics requiring stable component supply across extended temperature and lifecycle demands.
Supply support for TLV316QDBVTQ1 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 deep expertise in automotive-grade IC design and manufacturing.
The TLVx316-Q1 family was engineered specifically for automotive signal conditioning - delivering rail-to-rail performance, EMI robustness, and AEC-Q100 compliance in low-voltage, low-power architectures.
FAQ
What is the operating temperature range for TLV316QDBVTQ1?
The TLV316QDBVTQ1 is qualified per AEC-Q100 Grade 1 with a specified ambient operating temperature range of –40°C to +125°C. This rating is validated across all electrical parameters in TI's SBOS845B datasheet, including offset voltage drift, CMRR, and quiescent current stability - ensuring reliable operation in engine bay and under-hood automotive environments.
Does TLV316QDBVTQ1 support single-supply operation?
Yes, TLV316QDBVTQ1 fully supports single-supply operation from 1.8 V to 5.5 V. Its rail-to-rail input extends 200 mV beyond both supply rails, and its rail-to-rail output swings to within 35 mV of V– (ground) and V+ - enabling direct interface with microcontrollers and ADCs in 3.3 V or 5 V automotive subsystems without level-shifting circuitry.
What is the maximum capacitive load TLV316QDBVTQ1 can drive stably?
TLV316QDBVTQ1 is unity-gain stable with capacitive loads up to 100 pF, as confirmed by TI's Figure 7 (small-signal overshoot vs. load capacitance). For loads >100 pF, a 10–20 Ω series resistor at the output (Figure 14) restores stability - though this introduces gain error and must be compensated in feedback network design.
Is TLV316QDBVTQ1 pin-compatible with other devices in the TLVx316-Q1 family?
No - TLV316QDBVTQ1 (SOT-23, 5-pin) is not pin-compatible with TLV2316-Q1 (VSSOP, 8-pin) or TLV4316-Q1 (TSSOP, 14-pin). Each variant has distinct pin counts, layouts, and channel counts; PCB redesign is required when scaling channel count. Only the functional architecture and core specs (bandwidth, IQ, noise) are shared across the family.
How does the internal RFI/EMI filter in TLV316QDBVTQ1 improve system performance?
The integrated RFI/EMI filter in TLV316QDBVTQ1 attenuates high-frequency interference (up to 1 GHz) at the input pins, reducing rectified offset shifts caused by RF ingress - a critical feature in automotive environments with strong AM/FM, cellular, and radar emissions. TI's Figure 12 shows >40 dB rejection at 100 MHz, directly improving DC accuracy in sensitive sensor interfaces without external RC filters.
TLV316QDBVTQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 6V/µs
- Gain Bandwidth Product:
- 10 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 pA
- Voltage - Input Offset:
- 750 µV
- Current - Supply:
- 400µA
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
TLV316QDBVTQ1 FAQ
1.How can I place an order for TLV316QDBVTQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV316QDBVTQ1 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 TLV316QDBVTQ1 reliable?
The price and inventory of TLV316QDBVTQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV316QDBVTQ1 is usually 5 days.
3.What payment methods are accepted for TLV316QDBVTQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV316QDBVTQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV316QDBVTQ1?
TLV316QDBVTQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV316QDBVTQ1 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 TLV316QDBVTQ1?
For technical support, including TLV316QDBVTQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV316QDBVTQ1 requirements.
6.How does Aetrix verify that TLV316QDBVTQ1 is sourced from the original manufacturer or authorized distributors?
All TLV316QDBVTQ1 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 TLV316QDBVTQ1 meets industry standards.
7.What is the process for return or replacement of TLV316QDBVTQ1?
All TLV316QDBVTQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLV316QDBVTQ1, 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 TLV316QDBVTQ1 part is unused and in its original packaging.
Return procedure for TLV316QDBVTQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLV316QDBVTQ1 Tags
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