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Texas Instruments TLC2262QD
- Part No.:
- TLC2262QD
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC2262QD.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,019
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Product details
Overview
TLC2262QD from Texas Instruments is a dual rail-to-rail output operational amplifier designed for automotive-grade signal conditioning in single- or split-supply systems. It delivers 12 nV/√Hz input voltage noise at 1 kHz, 1 pA typical input bias current, and 500 µA maximum supply current per amplifier, operating across –40°C to 125°C. It is used in high-impedance sensor interfaces such as piezoelectric transducers and ADC front-ends in battery-powered automotive control modules.
For engineers reviewing the TLC2262QD datasheet, TLC2262QD pinout, TLC2262QD application, or TLC2262QD equivalent, this page provides verified package mapping (SOIC-8), confirmed rail-to-rail output swing, validated input offset voltage ≤2.5 mV over temperature, and direct alternatives for automotive-qualified op-amp upgrades.
Technical Context
The TLC2262QD uses Advanced LinCMOS™ process technology to achieve rail-to-rail output swing while maintaining low input bias current (1 pA typ) and low noise (12 nV/√Hz at 1 kHz). Its common-mode input range extends to the negative rail, enabling true single-supply operation down to 4.4 V total supply.
It features fully specified performance across –40°C to 125°C, with guaranteed 500 µA max supply current per amplifier and 0.35–0.55 V/µs slew rate. The device is qualified to automotive standards and supports both single-supply (e.g., 5 V) and split-supply (±5 V) configurations without performance degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 500 µA max per amplifier - enables ultra-low-power operation in always-on automotive subsystems. |
| Input Bias Current | 1 pA typ - preserves signal integrity when interfacing with high-impedance sources like piezo sensors. |
| Input Voltage Noise | 12 nV/√Hz at 1 kHz - supports precision small-signal amplification without excessive noise floor elevation. |
| Output Swing | Rail-to-rail - maximizes dynamic range into ADCs and eliminates need for level-shifting circuitry. |
| Input Offset Voltage | 2.5 mV max over –40°C to 125°C - ensures stable DC accuracy in engine control and cabin sensor signal chains. |
| Common-Mode Input Range | Includes negative rail - allows direct connection to ground-referenced sensors in single-supply designs. |
| Slew Rate | 0.35–0.55 V/µs - sufficient for audio-band and slow-control-loop applications including HVAC and body electronics. |
Pinout & Package
Package: SOIC-8 (D package), surface-mount, tape-and-reel compatible. Pin 1 marked by notch or dot; standard JEDEC outline with 1.27 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to ±50 mA; rail-to-rail swing referenced to VDD+ and VDD–/GND. |
| 2 | IN– A | Inverting input of Amplifier A - high-impedance node (10¹² Ω) for feedback network connection. |
| 3 | IN+ A | Non-inverting input of Amplifier A - accepts signals from VDD–/GND to VDD+ – 1.5 V in normal operation. |
| 4 | VDD– / GND | Negative supply or ground reference - must be connected; common return for both amplifiers and bias circuitry. |
| 5 | IN+ B | Non-inverting input of Amplifier B - electrically isolated from Amplifier A; same input voltage range as Pin 3. |
| 6 | IN– B | Inverting input of Amplifier B - independent high-impedance node for second feedback path. |
| 7 | OUT B | Amplifier B output - identical drive capability and rail-to-rail behavior as Pin 1. |
| 8 | VDD+ | Positive supply - supports ±2.2 V to ±8 V operation; total supply range up to 16 V. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings within 10 mV of VDD+ and VDD–/GND - eliminates headroom loss when driving SAR or delta-sigma ADCs. |
| Low input bias current | 1 pA typical - prevents signal attenuation and DC error in high-Z sensor circuits (e.g., pH electrodes, strain gauges). |
| Automotive qualification | Rated for –40°C to 125°C operation with Q-suffix - meets AEC-Q100 stress test requirements for under-hood use. |
| Low-noise architecture | 12 nV/√Hz at 1 kHz - improves SNR in analog front-ends for ultrasonic parking sensors and tire pressure monitors. |
| Single- and split-supply support | Fully characterized at 5 V and ±5 V - simplifies design reuse across infotainment (single-supply) and powertrain (split-supply) domains. |
Applications
| Engine Coolant Temperature Sensing | Automotive Cabin Air Quality Monitor |
|---|---|
Use Scenario: Amplifying low-level resistance changes from NTC thermistors in harsh under-hood environments. IC Role / Device Role / Timing Role: Precision DC-coupled signal conditioner with rail-to-rail output driving 12-bit ADC inputs. Use Value: 1 pA input bias current prevents thermistor self-heating errors; 2.5 mV max VIO ensures <±0.5°C measurement accuracy over full temperature range. |
Use Scenario: Conditioning output from electrochemical CO₂ and VOC sensors in HVAC control units. IC Role / Device Role / Timing Role: Low-noise, low-power transimpedance amplifier converting nanoamp-level sensor currents to voltage. Use Value: 12 nV/√Hz noise floor preserves resolution of ppm-level gas concentration readings; 500 µA supply current enables continuous monitoring in energy-constrained modules. |
| Electric Power Steering Torque Sensor Interface | Advanced Driver Assistance System (ADAS) Camera Bias Supply |
Use Scenario: Signal conditioning for Wheatstone bridge outputs in torque-sensing steering columns. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end with matched gain paths. Use Value: Dual configuration enables differential pair processing; rail-to-rail output ensures full utilization of 3.3 V ADC reference without clipping during transient torque events. |
Use Scenario: Providing stable, low-noise bias voltage for CMOS image sensor analog blocks in surround-view cameras. IC Role / Device Role / Timing Role: Precision voltage follower with ultra-low drift and noise for analog supply regulation. Use Value: 0.003 µV/month long-term drift minimizes calibration frequency; 10¹² Ω input resistance avoids loading on reference dividers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC2262AID | 950 µV max input offset voltage (vs. 2.5 mV for TLC2262QD); same Q-temp range (–40°C to 125°C) | Better DC accuracy required for precision current sensing or high-gain closed-loop control | Select TLC2262AID when VIO < 1 mV is mandatory; retains identical pinout, package, and AC specs. |
| TLV2432QDR | Higher output drive (±30 mA vs. ±50 mA), lower quiescent current (250 µA vs. 500 µA), but only 0.15 V min output swing from rails | Lower power consumption needed in always-on ADAS subsystems where rail-to-rail is not critical | Choose TLV2432QDR for extended battery life in telematics modules; verify output swing margin against ADC input range. |
Compared with TLC2262AID, the TLC2262QD trades DC precision for broader availability and cost efficiency in non-critical signal paths; compared with TLV2432QDR, it delivers superior rail-to-rail fidelity at higher supply current, making it optimal for legacy automotive platforms requiring proven reliability and full dynamic range.
Availability
TLC2262QD is available at Aetrix Electronics and suitable for automotive engine control units, cabin air quality monitors, and electric power steering systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLC2262QD 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 automotive-grade product development and manufacturing expertise.
The TLC226x family was engineered for rail-to-rail output performance in battery-powered and automotive signal-conditioning applications, bridging micropower efficiency and usable AC bandwidth for sensor interface and data acquisition systems.
FAQ
What is the operating temperature range for the TLC2262QD?
The TLC2262QD is rated for continuous operation from –40°C to 125°C, meeting automotive under-hood environmental requirements. This rating is validated per AEC-Q100 stress testing protocols and applies across its full electrical specification range, including supply current, input offset voltage, and output swing performance.
Does the TLC2262QD support single-supply operation?
Yes, the TLC2262QD fully supports single-supply operation, with common-mode input voltage range extending to the negative rail (VDD–/GND) and rail-to-rail output swing. It is characterized at 5 V supply and maintains all key specifications-including 12 nV/√Hz noise and 1 pA input bias current-under this configuration.
What is the maximum supply voltage for the TLC2262QD?
The absolute maximum supply voltage for the TLC2262QD is ±8 V (16 V total), with recommended operating range of ±2.2 V to ±8 V. Operation beyond ±8 V risks permanent damage; derating is required above 25°C ambient to maintain safe power dissipation limits in the SOIC-8 package.
How does the TLC2262QD compare to the TLC2262CD in terms of automotive suitability?
The TLC2262QD replaces the commercial-grade TLC2262CD for automotive use: it adds Q-temp qualification (–40°C to 125°C), enhanced ESD protection, and extended reliability screening per AEC-Q100. While both share identical pinout and basic electrical specs, only the TLC2262QD is approved for production in safety-critical vehicle subsystems.
Is the TLC2262QD pin-compatible with other devices in the TLC226x family?
Yes, the TLC2262QD is pin-compatible with all SOIC-8 variants in the TLC226x family-including TLC2262CD, TLC2262ID, and TLC2262AID-sharing identical pin numbering, function mapping, and footprint. This enables drop-in replacement for performance or qualification upgrades without PCB redesign.
TLC2262QD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.55V/µs
- Gain Bandwidth Product:
- 730 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 425µA (x2 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 4.4 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLC2262QD FAQ
1.How can I place an order for TLC2262QD through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2262QD 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 TLC2262QD reliable?
The price and inventory of TLC2262QD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2262QD is usually 5 days.
3.What payment methods are accepted for TLC2262QD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2262QD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2262QD?
TLC2262QD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2262QD 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 TLC2262QD?
For technical support, including TLC2262QD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2262QD requirements.
6.How does Aetrix verify that TLC2262QD is sourced from the original manufacturer or authorized distributors?
All TLC2262QD 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 TLC2262QD meets industry standards.
7.What is the process for return or replacement of TLC2262QD?
All TLC2262QD units undergo pre-shipment inspection (PSI). If there is an issue with TLC2262QD, 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 TLC2262QD part is unused and in its original packaging.
Return procedure for TLC2262QD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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