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Texas Instruments TLC2274NSR-MATM
- Part No.:
- TLC2274NSR-MATM
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- -
- Datasheet:
-
TLC2274NSR-MATM.pdf
- Description:
- RAIL TO RAIL LINCMOS QUAD OP AMP
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
TLC2274NSR-MATM from Texas Instruments is a quad rail-to-rail output operational amplifier optimized for precision, low-noise signal conditioning in single- or split-supply systems. It delivers 2.2 MHz gain-bandwidth, 3.6 V/µs slew rate, 9 nV/√Hz input voltage noise at 1 kHz, 1 pA typical input bias current, and rail-to-rail output swing - enabling high-fidelity interfacing with 12-bit ADCs in battery-powered sensor front-ends.
For engineers reviewing the TLC2274NSR-MATM datasheet, TLC2274NSR-MATM pinout, TLC2274NSR-MATM application, or TLC2274NSR-MATM equivalent, key selection criteria include its guaranteed 950 µV max input offset voltage (A-grade), −40°C to 125°C automotive temperature range, TSSOP-14 package footprint, and compatibility with low-voltage (±2.2 V) and high-voltage (±8 V) supply rails.
Technical Context
The TLC2274NSR-MATM employs Advanced LinCMOS™ process technology to achieve ultra-low input bias current while maintaining rail-to-rail output capability across full supply ranges. Its input stage supports common-mode voltages extending to the negative rail, and its output stage drives ±50 mA into resistive loads without phase reversal.
It operates stably with capacitive loads up to 100 pF and exhibits 50° phase margin at unity gain with 10 kΩ load and 100 pF capacitance. The device is fully characterized for both 5 V single-supply and ±5 V split-supply configurations, with specified performance over −40°C to 125°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±2.2 V to ±8 V - supports wide industrial and automotive power rails including 3.3 V, 5 V, and ±5 V systems |
| Input Offset Voltage (Max) | 950 µV at 25°C - enables DC-coupled precision amplification without external trimming in 12-bit systems |
| Gain-Bandwidth Product | 2.25 MHz at ±5 V - sufficient for anti-aliasing filters and sensor signal bandwidths up to 200 kHz |
| Slew Rate | 3.6 V/µs typ - ensures faithful reproduction of fast transients in pulse-conditioning and active filtering |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - 2× lower than TLC274, critical for piezoelectric and high-impedance source amplification |
| Input Bias Current | 1 pA typ - preserves signal integrity in pH probes, photodiode transimpedance, and leakage-sensitive circuits |
| Common-Mode Input Range | Includes negative rail (VDD−) - allows direct sensing of ground-referenced signals without level-shifting circuitry |
Pinout & Package
Package: TSSOP-14 (PW), 4.4 mm × 5.0 mm body, 0.65 mm pitch, exposed thermal pad (not electrically connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Amplifier 1 output - rail-to-rail capable, drives 50 mA sink/source, connects directly to ADC input or next-stage buffer |
| 2 | IN1− | Inverting input of Amp1 - high-impedance node (10¹² Ω), sensitive to PCB leakage; requires guard ring in high-Z designs |
| 3 | IN1+ | Non-inverting input of Amp1 - same impedance as IN1−; used for reference-biased sensor interfaces |
| 4 | VDD+ | Positive supply rail - decoupling capacitor (0.1 µF ceramic) required within 5 mm for stability |
| 5 | IN2+ | Non-inverting input of Amp2 - independent channel; shares no internal nodes with Amp1 |
| 6 | IN2− | Inverting input of Amp2 - matched to IN1− in offset and bias specs; supports dual-channel differential sensing |
| 7 | OUT2 | Amplifier 2 output - identical AC/DC specs to OUT1; enables dual-sensor or I/V + buffer configuration |
| 8 | OUT3 | Amplifier 3 output - third independent channel; used for reference buffering or auxiliary signal path |
| 9 | IN3− | Inverting input of Amp3 - pin-compatible with IN1−/IN2−; maintains same noise and offset performance |
| 10 | IN3+ | Non-inverting input of Amp3 - supports three simultaneous analog channels on single IC |
| 11 | VDD− | Negative supply rail (or GND in single-supply) - must be low-impedance; shared return for all four amps |
| 12 | IN4+ | Non-inverting input of Amp4 - fourth independent channel; enables full quad instrumentation front-end |
| 13 | IN4− | Inverting input of Amp4 - matched performance to other inputs; supports 4-channel data acquisition |
| 14 | OUT4 | Amplifier 4 output - completes quad functionality; no internal connection to NC pins (none present in PW package) |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full dynamic range to ADCs - e.g., 0–5 V output with 5 V supply, eliminating headroom loss |
| Low input bias current (1 pA typ) | Enables stable operation with >100 MΩ source impedances - essential for electrochemical sensors and piezo elements |
| Guaranteed 950 µV VIO max (A-grade) | Reduces system calibration burden - meets 12-bit LSB error budget (<1.22 mV) without trimming |
| Automotive temperature range (−40°C to 125°C) | Qualified per AEC-Q100 - suitable for under-hood engine control, ADAS sensor signal chains, and EV battery monitoring |
| Low 9 nV/√Hz input voltage noise | Improves SNR in microphone preamps and strain-gauge bridges - outperforms TLC274 by 6 dB at 1 kHz |
| Stable with 100 pF capacitive load | Eliminates need for isolation resistors when driving ADC input capacitance or long traces |
Applications
| Industrial Sensor Signal Conditioning | Automotive Cabin Air Quality Monitoring |
|---|---|
Use Scenario: Amplifying weak mV-level outputs from thermopile CO₂ sensors and NDIR gas detectors in HVAC controllers. IC Role / Device Role / Timing Role: Precision DC-coupled amplifier with rail-to-rail output, driving SAR ADC inputs at 100 kSPS. Use Value: 1 pA input bias prevents sensor loading; 950 µV VIO ensures <0.1% full-scale error at 12-bit resolution. | Use Scenario: Front-end amplification for MEMS-based particulate matter (PM2.5) and VOC sensors in automotive cabin air systems. IC Role / Device Role / Timing Role: Quad-channel signal conditioner - one amp for sensor bias, two for differential bridge readout, one for reference buffering. Use Value: −40°C to 125°C rating ensures reliability across vehicle thermal cycles; low noise preserves ppm-level detection sensitivity. |
| Battery-Powered Portable Medical Devices | High-Impedance Piezoelectric Transducer Interfaces |
Use Scenario: ECG electrode signal amplification in handheld patient monitors with 3.3 V Li-ion supply. IC Role / Device Role / Timing Role: Low-power, rail-to-rail op-amp in first-stage instrumentation amplifier configuration. Use Value: 4.4 mA total supply current (at 5 V) extends battery life; rail-to-rail output maximizes ADC utilization without level shifters. | Use Scenario: Charge amplification for piezoelectric knock sensors and ultrasonic transducers in engine management systems. IC Role / Device Role / Timing Role: High-input-impedance, low-noise charge amplifier with integrated feedback capacitor drive capability. Use Value: 1 pA bias current avoids signal decay; 9 nV/√Hz noise floor preserves transient fidelity for time-of-flight measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC2274CDR | Same die, SOIC-14 package; higher θJA (86.2°C/W vs. 113°C/W), no thermal pad | Preferred for through-hole prototyping or legacy board reuse; less suitable for high-density or thermally constrained layouts | Select when mechanical compatibility with existing SOIC footprints is required and thermal dissipation < 150 mW |
| TLV2444IDR | Lower supply current (1.2 mA/amp), but higher VIO (2 mV max), lower GBW (1.8 MHz), and no A-grade option | Better for ultra-low-power portable devices where offset and noise are secondary to battery life | Choose only if system tolerates 2× higher offset and 30% lower bandwidth; not drop-in for precision ADC interfaces |
Compared with TLC2274CDR, TLC2274NSR-MATM offers superior thermal performance and smaller footprint; compared with TLV2444IDR, it provides tighter DC accuracy and higher speed at modest current cost - making it optimal for automotive and industrial precision signal chains.
Availability
TLC2274NSR-MATM is available at Aetrix Electronics and suitable for automotive sensor modules, industrial data loggers, and portable medical instrumentation requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for TLC2274NSR-MATM 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and personal electronics markets.
The TLC227x family was designed specifically for precision, low-noise, rail-to-rail output amplification in harsh-environment applications - targeting automotive sensor interfaces, high-impedance transducer conditioning, and battery-operated instrumentation where DC accuracy and signal fidelity are critical.
FAQ
What is the maximum operating junction temperature for TLC2274NSR-MATM?
The TLC2274NSR-MATM has a maximum junction temperature (TJ) of 150°C, consistent with its AEC-Q100 qualification for automotive use. Its TSSOP-14 package features an exposed thermal pad that, when soldered to a copper plane, achieves θJA = 113°C/W - enabling reliable operation at full rated current across the −40°C to 125°C ambient range. Always verify PCB thermal design using TI's thermal simulation guidelines for PW packages.
Does TLC2274NSR-MATM support true single-supply operation down to 2.2 V?
Yes, TLC2274NSR-MATM is fully specified for single-supply operation from 4.4 V (±2.2 V equivalent) up to 16 V (±8 V). At 3.3 V single supply, it maintains rail-to-rail output swing, common-mode input range from GND to VDD − 1.5 V, and guaranteed 950 µV input offset voltage - making it suitable for modern low-voltage microcontroller-based sensor nodes without level-shifting circuitry.
How does the input offset voltage drift behave over temperature for TLC2274NSR-MATM?
TLC2274NSR-MATM exhibits a maximum temperature coefficient of 2 µV/°C for input offset voltage, measured from 25°C to 125°C. Over the full −40°C to 125°C range, the total VIO drift remains within specification limits - ensuring that the 950 µV max at 25°C does not exceed 1.5 mV in worst-case automotive thermal profiles. This stability is confirmed in TI's SLOS190G characterization data.
Can TLC2274NSR-MATM drive a 10 kΩ load while maintaining rail-to-rail output swing?
Yes, TLC2274NSR-MATM delivers full rail-to-rail output swing into 10 kΩ loads at ±5 V supply, with VOH ≥ 4.85 V and VOL ≤ 0.15 V at 25°C. Even at 125°C and ±2.2 V supply, it sustains >95% of rail voltage under 10 kΩ load - verified in the "Electrical Characteristics" tables of the SLOS190G datasheet. No external boost circuitry is needed for standard ADC interface applications.
Is there a SPICE macromodel available for TLC2274NSR-MATM?
Yes, a validated PSpice macromodel for the TLC2274 family (including TLC2274NSR-MATM) is provided by Texas Instruments in the SLOS190G datasheet and on ti.com. The model accurately reproduces key behaviors: rail-to-rail output saturation, input bias current, noise spectral density, and small-signal frequency response up to 10 MHz. It is compatible with industry-standard simulators and includes thermal derating for high-temperature operation.
TLC2274NSR-MATM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- -
- Number of Circuits:
- -
- Output Type:
- -
- Slew Rate:
- -
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- -
- Current - Input Bias:
- -
- Voltage - Input Offset:
- -
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- -
- Voltage - Supply Span (Max):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
TLC2274NSR-MATM FAQ
1.How can I place an order for TLC2274NSR-MATM through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2274NSR-MATM 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 TLC2274NSR-MATM reliable?
The price and inventory of TLC2274NSR-MATM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2274NSR-MATM is usually 5 days.
3.What payment methods are accepted for TLC2274NSR-MATM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2274NSR-MATM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2274NSR-MATM?
TLC2274NSR-MATM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2274NSR-MATM 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 TLC2274NSR-MATM?
For technical support, including TLC2274NSR-MATM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2274NSR-MATM requirements.
6.How does Aetrix verify that TLC2274NSR-MATM is sourced from the original manufacturer or authorized distributors?
All TLC2274NSR-MATM 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 TLC2274NSR-MATM meets industry standards.
7.What is the process for return or replacement of TLC2274NSR-MATM?
All TLC2274NSR-MATM units undergo pre-shipment inspection (PSI). If there is an issue with TLC2274NSR-MATM, 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 TLC2274NSR-MATM part is unused and in its original packaging.
Return procedure for TLC2274NSR-MATM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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