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Texas Instruments TLV2252QDR
- Part No.:
- TLV2252QDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2252QDR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,942
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Product details
Overview
TLV2252QDR from Texas Instruments is a dual rail-to-rail output CMOS operational amplifier optimized for low-voltage, micropower operation. It delivers 34 µA per channel supply current, 19 nV/√Hz input voltage noise at 1 kHz, and 850 µV max input offset voltage (TA = 25°C), enabling precision signal conditioning in battery-powered sensor interfaces and analog front-ends for ADCs.
For engineers reviewing the TLV2252QDR datasheet, TLV2252QDR pinout, TLV2252QDR application, or TLV2252QDR equivalent, key selection criteria include its rail-to-rail output swing (2.7 V to 8 V supply), 1 pA typical input bias current, and Q-temp automotive qualification (−40°C to 125°C), making it suitable for high-impedance transducer amplification and portable medical monitoring systems.
Technical Context
The TLV2252QDR uses Advanced LinCMOS process technology to achieve ultra-low input bias current (1 pA typ) and rail-to-rail output swing-enabling full dynamic range utilization with single-supply 3 V operation. Its common-mode input voltage range extends to the negative rail, supporting ground-referenced sensor signals without level-shifting circuitry.
Designed for micropower precision, the device features 19 nV/√Hz input voltage noise and 0.187 MHz gain-bandwidth product at 3 V, balancing bandwidth, noise, and power for low-frequency (<60 kHz) small-signal amplification tasks such as piezoelectric transducer buffering and thermistor signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 8 V - supports direct integration with Li-ion, 3.3 V, and 5 V systems without regulation. |
| Supply Current per Channel | 34 µA typ - enables multi-year battery life in always-on remote sensors and wearable devices. |
| Input Offset Voltage | 850 µV max at 25°C - ensures <1 mV DC error in 12-bit ADC interfacing with 2.5 V reference. |
| Input Bias Current | 1 pA typ - preserves signal integrity when amplifying high-impedance sources (>1 GΩ) like pH electrodes. |
| Input Voltage Noise | 19 nV/√Hz at 1 kHz - critical for preserving SNR in low-level sensor outputs (e.g., strain gauges). |
| Output Swing | Rail-to-rail - delivers full 0 V to VDD output range, maximizing ADC utilization without external level-shifting. |
| Operating Temperature | −40°C to 125°C - qualified for under-hood automotive and industrial control environments. |
Pinout & Package
TLV2252QDR is housed in an 8-pin SOIC (D) package with standard dual op-amp pinout and no exposed pad. The package is RoHS-compliant, tape-and-reel ready (R suffix), and rated for automotive temperature operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Amplifier 1) | Accepts differential input signal; high impedance (10¹² Ω) minimizes loading on source. |
| 2 | Non-inverting Input (Amplifier 1) | Reference input for unity-gain buffer or inverting configuration feedback path. |
| 3 | Output (Amplifier 1) | Delivers rail-to-rail output; capable of ±50 mA short-circuit current with thermal protection. |
| 4 | GND / VDD− | Power return node; common reference for both amplifiers and input common-mode range extension to rail. |
| 5 | VDD+ | Positive supply rail; accepts 2.7–8 V; internal ESD protection rated to ±2 kV HBM. |
| 6 | Inverting Input (Amplifier 2) | Independent second channel input; identical electrical specs to Pin 1. |
| 7 | Non-inverting Input (Amplifier 2) | Independent second channel non-inverting input; supports dual-channel signal paths. |
| 8 | Output (Amplifier 2) | Second independent rail-to-rail output; fully isolated from Channel 1 except shared supply pins. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Enables full-scale ADC input drive from single 3 V supply, eliminating level-shifter ICs and associated BOM cost. |
| 1 pA input bias current | Prevents significant voltage drop across >100 MΩ sensor impedances, preserving accuracy in electrochemical sensing. |
| 34 µA per channel quiescent current | Supports continuous operation in energy-harvesting nodes with <10 µW average power budgets. |
| 850 µV max input offset (25°C) | Reduces calibration overhead in factory-trimmed systems; maintains <0.1% gain error in 10× instrumentation amps. |
| Automotive Q-temp qualification | Meets AEC-Q100 Grade 2 requirements, enabling use in engine control modules and ADAS sensor signal chains. |
Applications
| Piezoelectric Sensor Interface | Portable Medical Front-End |
|---|---|
Use Scenario: Amplifying low-amplitude, high-impedance charge output from vibration or impact sensors in predictive maintenance systems. IC Role / Device Role / Timing Role: First-stage charge-to-voltage converter and buffer with ultra-high input impedance and minimal bias-induced drift. Use Value: 1 pA input bias current prevents signal attenuation across >1 GΩ transducer impedance; rail-to-rail output drives SAR ADC directly. | Use Scenario: Conditioning biopotential signals (ECG, EMG) in handheld diagnostic devices powered by coin-cell batteries. IC Role / Device Role / Timing Role: Low-noise, micropower instrumentation amplifier input stage operating from 3 V supply. Use Value: 19 nV/√Hz noise floor preserves microvolt-level signal integrity; 34 µA/channel extends battery life beyond 12 months. |
| Automotive Cabin Pressure Sensing | Industrial Thermistor Signal Chain |
Use Scenario: Amplifying bridge output from MEMS barometric pressure sensors in climate control modules. IC Role / Device Role / Timing Role: Precision differential amplifier with rail-to-rail output driving 12-bit automotive-grade ADC. Use Value: 850 µV max VIO ensures <0.5% full-scale error over −40°C to 125°C; Q-temp qualification guarantees reliability. | Use Scenario: Linearizing and amplifying resistance changes from NTC thermistors in HVAC and motor temperature monitoring. IC Role / Device Role / Timing Role: Constant-current excitation buffer and low-drift gain stage in ratiometric measurement topology. Use Value: Common-mode input range including negative rail allows ground-referenced thermistor biasing; low power enables dense sensor arrays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-voltage operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2322IDR | Higher 100 µA/channel supply current; 2.5 mV max VIO; no rail-to-rail output (1.2 V headroom). | Limited dynamic range in 3 V systems; unsuitable for direct ADC drive without level-shifting. | Select only if legacy design compatibility outweighs power/noise performance trade-offs. |
| OPA2333AIDR | Zero-drift architecture; 2 µV max VIO; 17 µA/channel; higher 5.5 µV/√Hz noise at 1 kHz. | Superior DC precision but higher noise compromises AC-coupled sensor fidelity. | Prefer for DC-stable applications (e.g., weigh scales); avoid where 19 nV/√Hz noise is critical. |
Compared with TLV2252QDR, TLV2322IDR consumes nearly 3× more power and lacks rail-to-rail output, while OPA2333AIDR achieves microvolt-level offset at the expense of higher broadband noise-making TLV2252QDR optimal for battery-powered, noise-sensitive, rail-to-rail signal chains requiring automotive qualification.
Availability
TLV2252QDR is available at Aetrix Electronics and suitable for automotive cabin sensing, portable medical diagnostics, and industrial temperature monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLV2252QDR 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 amplifiers and automotive-qualified components.
The TLV2252QDR belongs to TI's Advanced LinCMOS™ low-voltage op-amp family, engineered specifically for micropower, rail-to-rail performance in battery-constrained and automotive environments.
FAQ
What is the maximum operating temperature range for TLV2252QDR?
The TLV2252QDR is qualified for operation from −40°C to +125°C, meeting AEC-Q100 Grade 2 automotive reliability standards. This rating is confirmed in the device's recommended operating conditions table and absolute maximum ratings section of the SLOS185D datasheet, and applies across the full 2.7 V to 8 V supply range.
Does TLV2252QDR support true rail-to-rail input capability?
No, TLV2252QDR does not support rail-to-rail input. Its common-mode input voltage range extends to the negative rail (VDD−) but stops 1.3 V below the positive rail (VDD+ − 1.3 V) at 3 V supply, as specified in the recommended operating conditions. Input signals must remain within this range to maintain specified VIO and CMRR performance.
What is the typical input bias current of TLV2252QDR and why does it matter?
The TLV2252QDR has a typical input bias current of 1 pA at 25°C. This ultra-low value is critical when interfacing with high-impedance sources such as piezoelectric sensors, pH electrodes, or photodiode transimpedance configurations-where even nanoampere-level currents would induce significant offset errors or signal attenuation.
Can TLV2252QDR drive a 10 kΩ load rail-to-rail at 3 V supply?
Yes, TLV2252QDR can drive a 10 kΩ load rail-to-rail at 3 V supply. Per the datasheet's VOH/VOL specifications, with IOH = −75 µA and IOL = 500 µA, output voltage remains within 100 mV of each rail-achieving >2.9 V high-level and <100 mV low-level swing-ensuring full-scale interface with 12-bit ADCs without external level-shifting circuitry.
Is TLV2252QDR pin-compatible with other devices in the TLV225x family?
Yes, TLV2252QDR is pin-compatible with all TLV2252-x variants in the same SOIC-8 (D) package-including TLV2252IDR, TLV2252AIDR, and TLV2252AQDR-as confirmed by the "TLV2252I, TLV2252AI / TLV2252Q, TLV2252AQ D, P, OR PW PACKAGE (TOP VIEW)" diagram in the SLOS185D datasheet. Pin functions and spacing match identically across these variants.
TLV2252QDR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.12V/µs
- Gain Bandwidth Product:
- 200 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 70µA (x2 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 8 V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2252QDR FAQ
1.How can I place an order for TLV2252QDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2252QDR 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 TLV2252QDR reliable?
The price and inventory of TLV2252QDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2252QDR is usually 5 days.
3.What payment methods are accepted for TLV2252QDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2252QDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2252QDR?
TLV2252QDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2252QDR 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 TLV2252QDR?
For technical support, including TLV2252QDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2252QDR requirements.
6.How does Aetrix verify that TLV2252QDR is sourced from the original manufacturer or authorized distributors?
All TLV2252QDR 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 TLV2252QDR meets industry standards.
7.What is the process for return or replacement of TLV2252QDR?
All TLV2252QDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2252QDR, 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 TLV2252QDR part is unused and in its original packaging.
Return procedure for TLV2252QDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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