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Texas Instruments TLC2272QD
- Part No.:
- TLC2272QD
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC2272QD.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,745
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Product details
Overview
TLC2272QD from Texas Instruments is a dual rail-to-rail output operational amplifier designed for precision signal conditioning in automotive and industrial systems. It delivers 2.2-MHz gain-bandwidth, 3.6-V/µs slew rate, 9 nV/√Hz input voltage noise at 1 kHz, ±5-V supply operation, and rail-to-rail output swing - enabling direct interfacing with 12-bit ADCs in battery-powered sensor front-ends.
For engineers reviewing the TLC2272QD datasheet, TLC2272QD pinout, TLC2272QD application, or TLC2272QD equivalent, this page provides verified electrical specifications, Q-grade automotive temperature range (–40°C to +125°C), SOIC-8 package details, and validated alternative options for transducer interface, white goods control, and handheld monitoring designs.
Technical Context
The TLC2272QD uses LinCMOS process technology to achieve ultra-low input bias current (1 pA typical) and high input impedance (>10¹² Ω), making it suitable for high-impedance piezoelectric and capacitive sensor interfaces. Its rail-to-rail output stage operates across ±2.2 V to ±8 V supplies without phase reversal.
It features full characterization at both single-supply (5 V) and split-supply (±5 V) conditions, with guaranteed common-mode input range extending to the negative rail and maximum input offset voltage of 950 µV (TLC2272A variant). The device exhibits 75 dB CMRR and 95 dB PSRR at 25°C under ±5-V operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±2.2 V to ±8 V - supports wide automotive battery variation and industrial dual-rail systems |
| Gain-Bandwidth Product | 2.25 MHz - enables stable closed-loop operation up to ~200 kHz with moderate gain |
| Slew Rate | 3.6 V/µs - supports 100-kHz full-power sine wave output at 2-Vpp into 10-kΩ load |
| Input Offset Voltage | ≤950 µV max (TLC2272A spec) - ensures ≤0.02% error in 5-V full-scale precision measurement |
| Input Bias Current | 1 pA typical - minimizes voltage error across >1-MΩ source impedances |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - critical for low-level signal amplification in sensor front-ends |
| Common-Mode Input Range | Includes negative rail (VDD−) - allows ground-referenced single-ended sensor inputs |
Pinout & Package
Package: SOIC-8 (D package), body size 3.91 mm × 4.90 mm, standard JEDEC MS-012AC footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Channel 1 output - rail-to-rail capable, drives loads ≥10 kΩ directly |
| 2 | IN1− | Inverting input, Channel 1 - high-impedance node; sensitive to PCB leakage |
| 3 | IN1+ | Non-inverting input, Channel 1 - accepts signals down to VDD− (negative rail) |
| 4 | VDD−/GND | Negative supply or ground reference - must be low-impedance for stability |
| 5 | IN2+ | Non-inverting input, Channel 2 - independent of Channel 1; same rail-to-rail input range |
| 6 | IN2− | Inverting input, Channel 2 - matched to IN1− for differential configurations |
| 7 | OUT2 | Channel 2 output - fully independent; supports dual-sensor or dual-path signal chains |
| 8 | VDD+ | Positive supply - decoupling capacitor required within 1 cm for EMI suppression |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Drives within 15 mV of either supply rail at ±5 V, enabling full dynamic range utilization with 12-bit ADCs |
| Low input bias current | 1 pA typical - preserves signal integrity in high-Z pH electrodes, photodiode, or thermopile interfaces |
| Automotive qualification | AEC-Q100 Grade 2 qualified (–40°C to +125°C), with HBM ESD rating of ±2000 V |
| Low-noise performance | 9 nV/√Hz at 1 kHz - 2× lower than TLC272, reducing integrated noise in bandwidth-limited sensors |
| Single- and split-supply support | Fully specified from 5 V single supply to ±5 V - eliminates need for separate design variants |
Applications
| Refrigerator Temperature Control | Handheld Gas Detector Front-End |
|---|---|
Use Scenario: Amplifying low-level thermistor or RTD bridge outputs in variable-speed compressor control modules. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier stage with rail-to-rail output driving 12-bit SAR ADC. Use Value: 950-µV max VIO ensures <0.02% full-scale error over –40°C to +125°C; low power (3 mA total) extends battery life in service tools. |
Use Scenario: Conditioning microamp-level current from electrochemical gas sensors in portable safety monitors. IC Role / Device Role / Timing Role: Transimpedance amplifier with 1-pA input bias minimizing offset drift on high-value feedback resistors. Use Value: 1-pA IIB prevents >1-mV error across 1-GΩ feedback; rail-to-rail output maximizes ADC utilization without level-shifting. |
| Printer Paper Jam Sensor Interface | Industrial Pressure Transducer Signal Chain |
Use Scenario: Detecting optical encoder or reflective flag transitions in inkjet printer paper path subsystems. IC Role / Device Role / Timing Role: High-speed comparator replacement with hysteresis, using fast 3.6-V/µs slew rate for clean edge detection. Use Value: 2.25-MHz GBW supports >100-kHz signal edges; low 9-nV/√Hz noise prevents false triggering near threshold. |
Use Scenario: Amplifying millivolt-level output from strain-gauge bridges in hydraulic pressure sensors. IC Role / Device Role / Timing Role: First-stage gain block with matched input pairs and 75-dB CMRR rejecting common-mode pump noise. Use Value: 75-dB CMRR suppresses 60-Hz motor noise; ±5-V operation matches industrial 24-V supply rails with local regulation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2432IDR | Higher quiescent current (1.2 mA per amp vs. 1.5 mA total for TLC2272QD); 2.5-V minimum supply; no AEC-Q100 qualification | Targeted at commercial portable equipment; lacks extended temperature validation for under-hood automotive use | Select TLV2432IDR only for cost-sensitive consumer designs where –40°C to +125°C operation is not required |
| OPA2333AIDR | Zero-drift architecture; 0.02 µV/°C offset drift vs. 2 µV/°C for TLC2272QD; higher price; 1.8-V min supply | Better for <100-ppm precision over temperature; overqualified for white goods where 950-µV max VIO suffices | Choose OPA2333AIDR when long-term DC stability dominates cost and power constraints |
Compared with TLV2432IDR and OPA2333AIDR, the TLC2272QD offers optimal balance of AEC-Q100 compliance, rail-to-rail output, low noise, and cost for automotive and industrial sensor interfaces - without zero-drift complexity or commercial-only temperature limits.
Availability
TLC2272QD is available at Aetrix Electronics and suitable for refrigerator temperature control, handheld gas detector front-ends, and industrial pressure transducer signal chains requiring stable component supply across automotive and industrial lifecycles.
Supply support for TLC2272QD 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, embedded processing, and connectivity technologies, with over 50 years of innovation in precision analog ICs.
The TLC227x family was developed to upgrade legacy TLC27x op-amps with rail-to-rail output, lower noise, and improved input offset - specifically targeting automotive sensor interfaces and industrial signal conditioning.
FAQ
What is the operating temperature range for the TLC2272QD?
The TLC2272QD is qualified to AEC-Q100 Grade 2 specifications, supporting continuous operation from –40°C to +125°C ambient temperature. This range is validated across all electrical parameters in the datasheet, including input offset voltage, CMRR, and slew rate, making it suitable for under-hood automotive applications and industrial environments with wide thermal excursions.
Does the TLC2272QD support single-supply operation?
Yes, the TLC2272QD is fully specified for single-supply operation from 4.4 V to 16 V, as well as split-supply operation from ±2.2 V to ±8 V. Its common-mode input voltage range includes the negative rail (VDD−/GND), and its rail-to-rail output swings within 15 mV of both supply rails - enabling true single-supply signal chain design without level-shifting circuitry.
What is the maximum input offset voltage for the TLC2272QD?
The TLC2272QD belongs to the TLC2272A variant group, which guarantees a maximum input offset voltage of 950 µV at TA = 25°C and 1500 µV across the full –40°C to +125°C temperature range. This specification is explicitly confirmed in Section 6.5 and 6.6 of the SLOS190H datasheet for VDD = 5 V and VDD± = ±5 V conditions.
Is the TLC2272QD pin-compatible with the standard TLC2272?
Yes, the TLC2272QD uses the same SOIC-8 (D) package and identical pinout as the commercial-grade TLC2272CD and TLC2272ACD. All functional pins - including OUT1, IN1−, IN1+, VDD−/GND, IN2+, IN2−, OUT2, and VDD+ - match exactly, allowing drop-in replacement in existing layouts when upgrading to automotive qualification.
What packaging options are available for the TLC2272QD?
The TLC2272QD is exclusively offered in the SOIC-8 (D) package per TI's orderable addendum, with body dimensions of 3.91 mm × 4.90 mm and standard JEDEC MS-012AC footprint. Unlike other members of the TLC227x family, the Q-grade version is not available in TSSOP, PDIP, or CFP packages - only the D package is qualified and orderable for automotive use.
TLC2272QD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 3.6V/µs
- Gain Bandwidth Product:
- 2.25 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 2.4mA (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 (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLC2272QD FAQ
1.How can I place an order for TLC2272QD through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2272QD 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 TLC2272QD reliable?
The price and inventory of TLC2272QD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2272QD is usually 5 days.
3.What payment methods are accepted for TLC2272QD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2272QD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2272QD?
TLC2272QD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2272QD 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 TLC2272QD?
For technical support, including TLC2272QD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2272QD requirements.
6.How does Aetrix verify that TLC2272QD is sourced from the original manufacturer or authorized distributors?
All TLC2272QD 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 TLC2272QD meets industry standards.
7.What is the process for return or replacement of TLC2272QD?
All TLC2272QD units undergo pre-shipment inspection (PSI). If there is an issue with TLC2272QD, 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 TLC2272QD part is unused and in its original packaging.
Return procedure for TLC2272QD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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