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Texas Instruments TLV2252AIDR
- Part No.:
- TLV2252AIDR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLV2252AIDR.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,731
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Product details
Overview
TLV2252AIDR from Texas Instruments is a dual rail-to-rail output operational amplifier optimized for low-voltage, micropower applications. It delivers 19 nV/√Hz input voltage noise at 1 kHz, 1 pA typical input bias current, and 34 µA per channel supply current across a 2.7 V to 8 V supply range. Its common-mode input voltage includes the negative rail and supports single-supply interfacing with ADCs in portable instrumentation.
For engineers reviewing the TLV2252AIDR datasheet, TLV2252AIDR pinout, TLV2252AIDR application, or TLV2252AIDR equivalent, key selection criteria include its 850 µV max input offset voltage (A-grade), rail-to-rail output swing, and guaranteed operation from −40°C to 125°C in the SOIC-8 package - critical for battery-powered sensor signal conditioning and precision analog front-ends.
Technical Context
The TLV2252AIDR uses Advanced LinCMOS™ process technology to achieve high input impedance (>10¹² Ω), ultra-low input bias current (1 pA typ), and rail-to-rail output swing without phase reversal. Its input stage operates with common-mode voltage extending to the negative rail, enabling direct sensing of ground-referenced signals.
It features a gain-bandwidth product of 0.187 MHz at 3 V and 0.2 MHz at 5 V, with 63° phase margin ensuring stable unity-gain operation into 50 kΩ || 100 pF loads. The device is fully characterized for both single-supply (2.7–8 V) and split-supply configurations, supporting flexible system-level integration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 8 V - enables direct use with single-cell Li-ion (3.0–3.6 V) or two-cell alkaline (3.0–3.2 V) batteries. |
| Input Offset Voltage (Max) | 850 µV at TA = 25°C - ensures ≤0.085% error in 1 V full-scale precision amplification without trimming. |
| Supply Current per Channel | 34 µA typ - supports >1-year battery life in always-on sensor nodes drawing <100 µA total system current. |
| Input Voltage Noise | 19 nV/√Hz at f = 1 kHz - 4× lower than prior micropower CMOS op-amps, critical for low-level piezoelectric transducer conditioning. |
| Common-Mode Input Range | Includes VDD− (ground) - allows direct amplification of 0–V referenced signals (e.g., thermocouples, current-sense shunts) without level-shifting. |
| Output Swing | Rail-to-rail - delivers full dynamic range into ADCs with 0–V and VDD reference rails, maximizing SNR utilization. |
| Operating Temperature | −40°C to 125°C - qualified for automotive under-hood and industrial control environments. |
Pinout & Package
TLV2252AIDR is housed in an 8-pin SOIC (D) package with standard pinout compatible with industry-wide PCB footprints. Thermal pad is not present; power dissipation is managed via ambient convection within 725 mW (TA ≤ 25°C) derating envelope.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Amplifier 1) | High-impedance node (10¹² Ω) accepting differential signal; requires matched trace routing to non-inverting input for CMRR optimization. |
| 2 | Non-Inverting Input (Amplifier 1) | Accepts reference or sensor signal; common-mode range extends to VDD−, enabling ground-sensed inputs. |
| 3 | Output (Amplifier 1) | Rail-to-rail capable (±20 µA load); drives 100 kΩ || 100 pF directly without external buffering. |
| 4 | VDD− / Ground | Power return and signal reference; must be low-impedance plane to minimize PSRR degradation and noise coupling. |
| 5 | VDD+ | Positive supply input (2.7–8 V); bypass with 0.1 µF ceramic capacitor placed ≤5 mm from pin to suppress supply ripple. |
| 6 | Inverting Input (Amplifier 2) | Independent high-Z input; identical electrical specs to Pin 1 - supports dual-channel signal paths without crosstalk. |
| 7 | Non-Inverting Input (Amplifier 2) | Matches Pin 2 functionality; enables simultaneous conditioning of two sensors or feedback loops. |
| 8 | Output (Amplifier 2) | Full rail-to-rail output drive; shares same thermal and stability characteristics as Pin 3. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full 0 V to VDD output range, maximizing ADC input utilization and eliminating need for level-shifting circuitry. |
| Ultra-low input bias current (1 pA typ) | Enables high-impedance source interfacing (e.g., pH electrodes, piezoelectric sensors) without significant DC error or signal loading. |
| Low-noise performance (19 nV/√Hz) | Reduces integrated noise floor in bandwidth-limited sensor interfaces, improving resolution in sub-16-bit measurement systems. |
| Single-supply operation down to 2.7 V | Supports direct connection to modern low-voltage microcontrollers and energy-harvesting power supplies without regulation overhead. |
| Automotive-grade qualification (Q-temp) | Guarantees reliability over −40°C to 125°C with controlled parametric drift, suitable for engine control and ADAS sensor modules. |
Applications
| Portable Gas Sensor Front-End | Automotive Cabin Temperature Monitor |
|---|---|
Use Scenario: Amplifying low-level current output from electrochemical gas detection cells (nA–µA range) in handheld safety meters. IC Role / Device Role / Timing Role: Dual-channel transimpedance amplifier and buffer, converting sensor current to voltage while rejecting EMI and preserving signal integrity. Use Value: 1 pA input bias current prevents baseline shift; rail-to-rail output ensures full-scale digitization by 3.3 V SAR ADCs without external biasing. |
Use Scenario: Conditioning output from NTC thermistors embedded in HVAC ducts and seat climate control systems. IC Role / Device Role / Timing Role: Precision voltage follower and ratiometric amplifier, referenced to MCU's internal ADC reference voltage. Use Value: 850 µV max VIO limits temperature error to <0.2°C over 0–50°C range; −40°C to 125°C rating covers full vehicle operating envelope. |
| Industrial Battery Management Unit | Medical Wearable ECG Signal Chain |
Use Scenario: Measuring cell voltage and pack current in 2–4 cell Li-ion battery packs for UPS and power tools. IC Role / Device Role / Timing Role: High-side current sense amplifier and differential cell voltage monitor with common-mode rejection. Use Value: Common-mode input range including VDD− enables direct ground-referenced shunt measurement; 34 µA/channel minimizes self-heating in sealed enclosures. |
Use Scenario: First-stage amplification of microvolt-level biopotential signals from dry electrodes in ambulatory heart rate monitors. IC Role / Device Role / Timing Role: Low-noise, low-drift instrumentation amplifier front-end with active guarding and filtering. Use Value: 19 nV/√Hz noise density preserves SNR in 0.5–40 Hz band; rail-to-rail output matches 1.8 V ADC input range of ultra-low-power MCUs. |
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 |
|---|---|---|---|
| TLV2372IDR | Higher input offset voltage (2 mV max), higher supply current (20 µA/channel), no A-grade option. | Lacks guaranteed 850 µV VIO spec; less suitable for precision DC-coupled sensor interfaces requiring <0.1% accuracy. | Select TLV2252AIDR when VIO ≤850 µV and rail-to-rail output are mandatory; TLV2372IDR may suffice for AC-coupled or lower-accuracy designs. |
| OPA2333AIDR | Zero-drift architecture (0.02 µV/°C drift), lower noise (12 nV/√Hz), but higher quiescent current (17 µA/channel). | Better long-term DC stability and lower 1/f noise, but consumes ~50% more supply current than TLV2252AIDR. | Choose OPA2333AIDR for ultra-stable DC measurements over temperature; TLV2252AIDR remains optimal for micropower + rail-to-rail trade-off. |
Compared with TLV2372IDR and OPA2333AIDR, the TLV2252AIDR uniquely balances micropower operation (34 µA/channel), rail-to-rail output, and A-grade precision (850 µV VIO max) in a cost-effective SOIC-8 package - making it the preferred choice for battery-constrained, medium-accuracy analog signal chains where zero-drift isn't required.
Availability
TLV2252AIDR is available at Aetrix Electronics and suitable for portable instrumentation, automotive cabin electronics, and industrial battery monitoring requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for TLV2252AIDR 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 low-power signal conditioning.
The TLV2252AIDR belongs to TI's LinCMOS™ operational amplifier family, designed specifically for battery-powered and automotive applications demanding rail-to-rail output, micropower consumption, and robust operation across wide temperature ranges.
FAQ
What is the maximum input offset voltage specification for TLV2252AIDR?
The TLV2252AIDR has a maximum input offset voltage of 850 µV at TA = 25°C, as specified in the "TLV2252AI" column of the Electrical Characteristics tables. This A-grade binning ensures tighter DC accuracy than the standard TLV2252I (1500 µV max), making TLV2252AIDR suitable for precision sensor interfaces where offset-induced errors must remain below 0.1% of full-scale.
Does TLV2252AIDR support true rail-to-rail input operation?
No, TLV2252AIDR does not support rail-to-rail input common-mode range. Its common-mode input voltage range extends to the negative rail (VDD−) but only up to VDD+ − 1.3 V at 3 V supply - meaning it accepts inputs from 0 V to 1.7 V. However, its rail-to-rail *output* swing is fully supported, delivering 0 V to VDD across load conditions.
Can TLV2252AIDR operate from a single 2.7 V supply?
Yes, TLV2252AIDR is fully specified for single-supply operation from 2.7 V to 8 V. At 2.7 V, it maintains rail-to-rail output swing, 1 pA typical input bias current, and 19 nV/√Hz input voltage noise - confirmed in the Recommended Operating Conditions and Electrical Characteristics tables for VDD = 3 V (representing the 2.7–8 V range).
What is the thermal performance of TLV2252AIDR in SOIC-8 package?
In its SOIC-8 (D) package, TLV2252AIDR has a power dissipation rating of 725 mW at TA ≤ 25°C, derating linearly at 5.8 mW/°C above that temperature. At 125°C ambient, its usable power budget drops to 145 mW. With 68 µA total supply current at 3 V (204 µW), thermal rise is negligible - enabling reliable operation without heatsinking in compact layouts.
Is TLV2252AIDR pin-compatible with other dual op-amps in SOIC-8?
TLV2252AIDR uses the industry-standard dual op-amp pinout (1: –IN1, 2: +IN1, 3: OUT1, 4: GND, 5: VDD, 6: –IN2, 7: +IN2, 8: OUT2), matching TLV2372, LMV358, and MCP6022. However, differences in input structure (CMOS vs. bipolar), supply current, and output drive require validation of loop stability and noise performance when substituting.
TLV2252AIDR 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:
- Active
- 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
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLV2252AIDR FAQ
1.How can I place an order for TLV2252AIDR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLV2252AIDR 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 TLV2252AIDR reliable?
The price and inventory of TLV2252AIDR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLV2252AIDR is usually 5 days.
3.What payment methods are accepted for TLV2252AIDR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLV2252AIDR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLV2252AIDR?
TLV2252AIDR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLV2252AIDR 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 TLV2252AIDR?
For technical support, including TLV2252AIDR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLV2252AIDR requirements.
6.How does Aetrix verify that TLV2252AIDR is sourced from the original manufacturer or authorized distributors?
All TLV2252AIDR 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 TLV2252AIDR meets industry standards.
7.What is the process for return or replacement of TLV2252AIDR?
All TLV2252AIDR units undergo pre-shipment inspection (PSI). If there is an issue with TLV2252AIDR, 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 TLV2252AIDR part is unused and in its original packaging.
Return procedure for TLV2252AIDR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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