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Texas Instruments TLC2272MDG4
- Part No.:
- TLC2272MDG4
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
TLC2272MDG4.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,543
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Product details
Overview
TLC2272MDG4 from Texas Instruments is a dual rail-to-rail output operational amplifier designed for precision signal conditioning in low-power, high-impedance sensor interfaces. 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 handheld monitoring systems.
For engineers reviewing the TLC2272MDG4 datasheet, TLC2272MDG4 pinout, TLC2272MDG4 application, or TLC2272MDG4 equivalent, key selection criteria include input bias current (1 pA typ), input offset voltage (≤950 µV max), common-mode input range extending to negative rail, thermal stability across –55°C to +125°C, and SOIC-8 packaging suitable for industrial embedded designs requiring long-term reliability.
Technical Context
The TLC2272MDG4 employs advanced LinCMOS process technology to achieve ultra-low input bias current and rail-to-rail output capability without compromising AC performance. Its input stage supports common-mode voltages down to VDD−, and its output can swing within 10 mV of either rail under light load, making it suitable for single-supply configurations where headroom is constrained.
This device is fully characterized over –55°C to +125°C (M-grade) and specified for both split-supply (±2.2 V to ±8 V) and single-supply (4.4 V to 16 V) operation. It features 10¹² Ω differential and common-mode input resistance, 75 dB minimum CMRR, and 95 dB supply-voltage rejection ratio - critical for transducer amplification in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±2.2 V to ±8 V (split) or 4.4 V to 16 V (single) - supports wide input rail flexibility in mixed-signal systems |
| Gain-Bandwidth Product | 2.25 MHz (at ±5 V) - enables stable unity-gain buffering and closed-loop filtering up to ~200 kHz |
| Slew Rate | 3.6 V/µs (typ) - supports fast settling for pulse-amplification and active filter stages |
| Input Offset Voltage | ≤950 µV (max, TA = 25°C, TLC2272A variant) - ensures <0.025% error in 4-V full-scale instrumentation paths |
| Input Bias Current | 1 pA (typ) - minimizes voltage error across >1 MΩ source impedances (e.g., piezoelectric sensors) |
| Output Swing | Rail-to-rail (within 10 mV of VDD+ and VDD− at IO = ±20 µA) - maximizes dynamic range into ADC reference rails |
| Input Voltage Noise | 9 nV/√Hz (at 1 kHz) - 2× lower than legacy TLC272, critical for low-level sensor signal integrity |
Pinout & Package
Package: SOIC-8 (D package), body size 3.91 mm × 4.90 mm, surface-mount, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Amplifier Channel 1 output - drives external load or next-stage input with rail-to-rail swing |
| 2 | 1IN− | Inverting input of Channel 1 - used for feedback configuration and differential gain setting |
| 3 | 1IN+ | Non-inverting input of Channel 1 - accepts high-impedance sensor signals with minimal loading |
| 4 | VDD−/GND | Negative supply or ground reference - common return path for both channels and bias network |
| 5 | 2IN− | Inverting input of Channel 2 - independent of Channel 1; enables dual-path signal processing |
| 6 | 2IN+ | Non-inverting input of Channel 2 - isolated input node for second sensor or reference channel |
| 7 | 2OUT | Amplifier Channel 2 output - fully decoupled output stage supporting simultaneous dual-channel operation |
| 8 | VDD+ | Positive supply - supplies both op-amp cores; requires local 0.1-µF ceramic bypass to VDD−/GND |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Enables full utilization of ADC input range in single-supply systems without level-shifting circuitry |
| 1-pA typical input bias current | Preserves signal integrity from ultra-high-impedance sources (e.g., pH electrodes, photodiode TIA feedback) |
| 9 nV/√Hz input voltage noise | Reduces integrated noise floor in bandwidth-limited sensor front-ends versus prior-generation CMOS op-amps |
| –55°C to +125°C operating range (M-grade) | Qualified for aerospace, defense, and downhole industrial applications requiring extended temperature resilience |
| Fully specified for single- and split-supply use | Eliminates need for separate design variants when migrating between portable (3.3 V) and industrial (±5 V) platforms |
Applications
| Hand-held Monitoring Systems | Transducer Interfaces |
|---|---|
Use Scenario: Portable ECG or environmental gas sensor with microcontroller-based data acquisition. IC Role / Device Role / Timing Role: Dual-channel signal conditioning amplifier for analog front-end - one channel for sensor amplification, one for reference or calibration path. Use Value: Ultra-low input bias current prevents DC drift in high-Z electrode circuits; rail-to-rail output ensures maximum SNR into 12-bit SAR ADCs. | Use Scenario: Piezoelectric vibration sensor in predictive maintenance module on rotating machinery. IC Role / Device Role / Timing Role: Charge amplifier and buffer stage converting high-impedance charge output to low-impedance voltage signal. Use Value: 10¹² Ω input resistance avoids signal attenuation; low 9 nV/√Hz noise preserves weak mechanical resonance signatures. |
| Battery-Powered Applications | White Goods Control |
Use Scenario: Smart thermostat with multi-sensor fusion (temperature, humidity, occupancy). IC Role / Device Role / Timing Role: Low-quiescent-current dual op-amp for RTD linearization and capacitive humidity signal conditioning. Use Value: 2.4 mA supply current at ±5 V enables >1-year operation on coin-cell; rail-to-rail I/O simplifies power domain partitioning. | Use Scenario: Motor current sensing and temperature monitoring in refrigerator compressor control board. IC Role / Device Role / Timing Role: Precision current-sense amplifier and thermistor interface in harsh, thermally cycled environment. Use Value: M-grade qualification guarantees operation at –55°C cold-start and +125°C near compressor; 75 dB CMRR rejects motor switching noise. |
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 |
|---|---|---|---|
| TLV2432IDR | Higher quiescent current (1.2 mA vs. 2.4 mA), lower GBW (2.5 MHz), no M-grade temp rating | Optimized for commercial-temp consumer electronics; lacks extended temperature validation | Select when cost and footprint are prioritized over military-grade reliability and ultra-low bias current |
| OPA2333AIDR | Zero-drift architecture, 0.02 µV/°C offset drift, higher price, 360 µA supply current | Required for sub-µV offset stability in precision weigh scales or medical diagnostics | Select when long-term DC accuracy outweighs noise performance and power efficiency |
Compared with TLV2432IDR and OPA2333AIDR, the TLC2272MDG4 uniquely balances ultra-low input bias current (1 pA), rail-to-rail output, M-grade temperature range, and proven LinCMOS robustness - making it optimal for high-reliability sensor signal chains where leakage and thermal drift must be minimized without zero-drift complexity.
Availability
TLC2272MDG4 is available at Aetrix Electronics and suitable for hand-held monitoring systems, transducer interfaces, and battery-powered applications requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for TLC2272MDG4 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 company delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The TLC227x family was engineered for precision, low-noise, rail-to-rail signal conditioning in high-impedance sensor front-ends - targeting applications where input bias current, noise, and output swing directly impact measurement fidelity.
FAQ
What is the maximum operating temperature range for the TLC2272MDG4?
The TLC2272MDG4 is an M-grade device qualified for operation from –55°C to +125°C. This extended temperature range is validated per MIL-PRF-38535 requirements and makes the TLC2272MDG4 suitable for aerospace, defense, and industrial control applications where ambient conditions exceed commercial or industrial grade limits.
Does the TLC2272MDG4 support single-supply operation?
Yes, the TLC2272MDG4 supports true single-supply operation from 4.4 V to 16 V. Its common-mode input voltage range extends to the negative rail (VDD−/GND), and its rail-to-rail output can swing within 10 mV of both supply rails - enabling direct interfacing with ADCs and microcontrollers in 3.3-V or 5-V systems without level-shifting circuitry.
What is the input offset voltage specification for the TLC2272MDG4?
The TLC2272MDG4 belongs to the TLC2272A subfamily and has a maximum input offset voltage of 950 µV at TA = 25°C. Over full temperature range (–55°C to +125°C), the maximum offset is 1500 µV. This is significantly tighter than the standard TLC2272 (3000 µV max), making the TLC2272MDG4 appropriate for precision DC-coupled amplification.
Is the TLC2272MDG4 pin-compatible with the TLC272 series?
No, the TLC2272MDG4 is not pin-compatible with the TLC272 series. While both are dual op-amps in SOIC-8 packages, the TLC2272MDG4 uses a different pinout: Pin 4 is VDD−/GND and Pin 8 is VDD+, whereas TLC272 assigns Pin 4 to VDD+ and Pin 8 to VDD−. Direct replacement requires PCB layout revision.
What packaging and compliance information applies to the TLC2272MDG4?
The TLC2272MDG4 is supplied in an 8-pin SOIC (D package) with body dimensions 3.91 mm × 4.90 mm. It is RoHS-compliant, lead-free, and halogen-free. The "G4" suffix denotes TI's green packaging standard, and the "M" prefix confirms its military-grade temperature qualification and screening per MIL-PRF-38535.
TLC2272MDG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- 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:
- 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:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
TLC2272MDG4 FAQ
1.How can I place an order for TLC2272MDG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2272MDG4 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 TLC2272MDG4 reliable?
The price and inventory of TLC2272MDG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2272MDG4 is usually 5 days.
3.What payment methods are accepted for TLC2272MDG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2272MDG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2272MDG4?
TLC2272MDG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2272MDG4 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 TLC2272MDG4?
For technical support, including TLC2272MDG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2272MDG4 requirements.
6.How does Aetrix verify that TLC2272MDG4 is sourced from the original manufacturer or authorized distributors?
All TLC2272MDG4 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 TLC2272MDG4 meets industry standards.
7.What is the process for return or replacement of TLC2272MDG4?
All TLC2272MDG4 units undergo pre-shipment inspection (PSI). If there is an issue with TLC2272MDG4, 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 TLC2272MDG4 part is unused and in its original packaging.
Return procedure for TLC2272MDG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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