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Texas Instruments TLC2274AMJB
- Part No.:
- TLC2274AMJB
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-CDIP (0.300", 7.62mm)
- Datasheet:
-
TLC2274AMJB.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14CDIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,096
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Product details
Overview
TLC2274AMJB from Texas Instruments is a quad rail-to-rail output operational amplifier designed for precision analog signal conditioning in military-grade environments. It delivers 2.2 MHz gain-bandwidth, 3.6 V/µs slew rate, ±500 µA output drive, and 9 nV/√Hz input voltage noise at 1 kHz - enabling high-fidelity sensor interfacing and ADC driving in low-power, wide-temperature systems.
For engineers reviewing the TLC2274AMJB datasheet, TLC2274AMJB pinout, TLC2274AMJB application, or TLC2274AMJB equivalent, this page provides verified electrical specifications, SOIC-14 package mapping, rail-to-rail output behavior under ±2.2 V to ±8 V supplies, and validated alternatives for MIL-spec op-amp replacement in transducer interfaces and battery-powered monitoring.
Technical Context
The TLC2274AMJB uses Advanced LinCMOS process technology to achieve rail-to-rail output swing while maintaining low input bias current (1 pA typical) and low noise - critical for high-impedance piezoelectric and capacitive sensor front-ends. Its common-mode input range extends to the negative rail, supporting single-supply operation down to 4.4 V total supply.
It features fully characterized performance across –55°C to +125°C, with input offset voltage ≤950 µV (max), CMRR ≥75 dB, and PSRR ≥80 dB - making it suitable for precision instrumentation where thermal drift and supply rejection directly impact measurement integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±2.2 V to ±8 V - supports dual-supply industrial/military systems and single-supply 4.4–16 V configurations |
| Gain-Bandwidth Product | 2.25 MHz - enables stable unity-gain buffering of signals up to ~2 MHz with minimal phase error |
| Slew Rate | 3.6 V/µs - ensures <2.6 µs settling to 0.01% for ±2.3 V steps, suitable for fast pulse conditioning |
| Input Offset Voltage | ≤950 µV at 25°C - reduces DC error in precision gain stages without external trimming |
| Input Bias Current | 1 pA typical - preserves signal integrity when amplifying from >1 GΩ sources like pH electrodes |
| Output Swing | Rail-to-rail - delivers full dynamic range into ADCs with 0–5 V or ±5 V reference rails |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - 2× lower than TLC274, improving SNR in low-level sensor amplification |
Pinout & Package
Package: 14-pin SOIC (D package), body size 3.91 mm × 8.65 mm, JEDEC MS-012 compliant, RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 7, 8, 14 | Output (Ch1–Ch4) | Amplified output nodes; rail-to-rail swing supports direct connection to SAR ADC inputs |
| 2, 3, 5, 6, 9, 10, 12, 13 | Inverting/Non-inverting Inputs (Ch1–Ch4) | Differential input pairs; common-mode range includes VDD−, enabling ground-referenced single-supply use |
| 4 | VDD+ | Positive supply terminal; must be decoupled locally with 0.1 µF ceramic capacitor |
| 11 | VDD− | Negative supply terminal; connects to system ground in single-supply mode (VDD−/GND) |
| No pins | NC | No internal connection - left unconnected per TI datasheet; not used for thermal pad or biasing |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Delivers VOH ≥4.85 V and VOL ≤0.15 V at ±5 V supply - maximizes usable ADC input range without level-shifting |
| Low input bias current | 1 pA typical - eliminates significant voltage drop across high-Z sensor elements (e.g., thermistors, photodiodes) |
| Low-noise architecture | 9 nV/√Hz at 1 kHz - enables detection of sub-mV signals from strain gauges or accelerometers |
| MIL-STD-883 qualified | Screened to Class B per SLOS986 - meets reliability requirements for aerospace, defense, and downhole equipment |
| Wide temperature operation | Specified from –55°C to +125°C - supports engine control units and avionics without derating |
Applications
| Transducer Interface | Battery-Powered Monitoring |
|---|---|
Use Scenario: Amplifying low-level mV outputs from piezoelectric pressure sensors in aircraft hydraulic systems. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with rail-to-rail output driving 12-bit SAR ADC. Use Value: 1 pA input bias prevents signal attenuation across sensor's >10 GΩ source impedance; 9 nV/√Hz noise preserves SNR in 100 Hz–10 kHz bandwidth. | Use Scenario: Signal conditioning for portable ECG monitors operating on coin-cell batteries. IC Role / Device Role / Timing Role: Low-power, rail-to-rail buffer between electrode interface and ADC input. Use Value: 4.8 mA supply current at ±2.5 V enables >100-hour runtime; rail-to-rail swing maintains full 0–3.3 V ADC code utilization. |
| White Goods Control | Configuration Control Systems |
Use Scenario: Temperature sensing and motor current feedback in military-grade refrigeration units. IC Role / Device Role / Timing Role: Dual-channel signal conditioner for NTC thermistor and shunt-based current sense. Use Value: Common-mode input range including VDD− allows direct ground-referenced sensing; –55°C to +125°C rating covers condenser coil extremes. | Use Scenario: Analog voltage supervision and calibration signal generation in secure print support modules. IC Role / Device Role / Timing Role: Quad op-amp providing reference buffering, comparator hysteresis, and DAC output amplification. Use Value: Matched channel specs (VIO ≤950 µV, CMRR ≥75 dB) ensure consistent threshold accuracy across all four functions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4134MJ | Lower noise (4.5 nV/√Hz), higher GBW (4 MHz), but ±15 V max supply and no rail-to-rail output | Preferred for audio-grade AC-coupled circuits; unsuitable for low-voltage rail-to-rail ADC interfacing | Select only when wider supply range and ultra-low noise outweigh rail-to-rail requirement |
| TLC2274CDR | Commercial-grade (0°C to 70°C), same pinout and electrical specs except for VIO (max 2.5 mV vs 0.95 mV) and screening | Valid for non-military cost-sensitive designs; lacks MIL-STD-883 qualification and extended temperature validation | Use for prototyping or commercial white goods where MIL spec is not mandated |
Compared with OPA4134MJ and TLC2274CDR, the TLC2274AMJB uniquely combines rail-to-rail output, MIL-qualified reliability, and sub-1 mV offset in a single SOIC-14 package - making it irreplaceable in safety-critical, wide-temperature, low-voltage analog signal chains.
Availability
TLC2274AMJB is available at Aetrix Electronics and suitable for military avionics, downhole instrumentation, and ruggedized industrial control requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for TLC2274AMJB 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 over 50 years of innovation in high-reliability analog ICs.
The TLC2274AMJB belongs to TI's Advanced LinCMOS op-amp family, engineered specifically for precision, low-noise, rail-to-rail performance in demanding military, aerospace, and industrial applications where long-term stability and extreme temperature operation are mandatory.
FAQ
What is the maximum supply voltage for the TLC2274AMJB?
The TLC2274AMJB supports a supply voltage range of ±2.2 V to ±8 V, meaning the total differential supply can reach up to 16 V. Absolute maximum ratings specify ±8 V on VDD+ and VDD− individually; exceeding this risks permanent damage. Operation at ±8 V is fully characterized per SLOS986, with parameters including slew rate and output swing validated across –55°C to +125°C.
Does the TLC2274AMJB have rail-to-rail input capability?
No, the TLC2274AMJB does not feature rail-to-rail input. Its common-mode input voltage range extends to the negative rail (VDD−) but stops 1.5 V below the positive rail (VDD+ −1.5 V). This allows true ground-sensing in single-supply configurations but requires input signals to remain within that window to avoid phase reversal or increased distortion.
Is the TLC2274AMJB pin-compatible with the TLC274 series?
Yes, the TLC2274AMJB is pin-compatible with the TLC274 in SOIC-14 (D) and CDIP-14 (J) packages. Both share identical pin numbering and function mapping per TI's migration guidance. However, the TLC2274AMJB improves upon the TLC274 with rail-to-rail output, lower noise (9 nV/√Hz vs 25 nV/√Hz), lower input offset voltage (≤950 µV vs ≤5 mV), and enhanced CMOS input stage robustness.
What is the thermal resistance (RθJA) of the TLC2274AMJB in SOIC-14 package?
The junction-to-ambient thermal resistance (RθJA) for the TLC2274AMJB in the SOIC-14 (D) package is 115.6°C/W, as specified in Section 6.4 of the SLOS986 datasheet. This value assumes standard JEDEC 2S2P test board conditions; actual board layout, copper area, and airflow will affect real-world thermal performance. For sustained operation near maximum ambient temperature, thermal design must ensure TJ remains ≤150°C.
Can the TLC2274AMJB drive a 10 kΩ load while maintaining rail-to-rail output swing?
Yes, the TLC2274AMJB maintains rail-to-rail output swing into 10 kΩ loads. At ±5 V supply and TA = 25°C, VOH ≥4.85 V and VOL ≤0.15 V are guaranteed for IO = ±200 µA - well within the 10 kΩ load's ±0.5 mA demand at full swing. Data Sheet Figure 10 and 11 confirm this behavior across temperature, with VOL rising to only 0.15 V and VOH dropping to 4.85 V at 125°C.
TLC2274AMJB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-CDIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- 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:
- 4.8mA (x4 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 4.4 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-CDIP
TLC2274AMJB FAQ
1.How can I place an order for TLC2274AMJB through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2274AMJB 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 TLC2274AMJB reliable?
The price and inventory of TLC2274AMJB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2274AMJB is usually 5 days.
3.What payment methods are accepted for TLC2274AMJB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2274AMJB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2274AMJB?
TLC2274AMJB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2274AMJB 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 TLC2274AMJB?
For technical support, including TLC2274AMJB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2274AMJB requirements.
6.How does Aetrix verify that TLC2274AMJB is sourced from the original manufacturer or authorized distributors?
All TLC2274AMJB 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 TLC2274AMJB meets industry standards.
7.What is the process for return or replacement of TLC2274AMJB?
All TLC2274AMJB units undergo pre-shipment inspection (PSI). If there is an issue with TLC2274AMJB, 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 TLC2274AMJB part is unused and in its original packaging.
Return procedure for TLC2274AMJB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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