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Texas Instruments TLC2272CPSR
- Part No.:
- TLC2272CPSR
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
TLC2272CPSR.pdf
- Description:
- IC CMOS 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,929
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Product details
Overview
TLC2272CPSR from Texas Instruments is a dual 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 ADCs in battery-powered sensor front-ends.
For engineers reviewing the TLC2272CPSR datasheet, TLC2272CPSR pinout, TLC2272CPSR application, or TLC2272CPSR equivalent, key selection criteria include its rail-to-rail output capability under ±5 V or 5-V single supply, ultra-low input bias current for high-impedance transducer interfaces, and guaranteed 950 µV max input offset voltage (TLC2272A grade) across temperature.
Technical Context
The TLC2272CPSR uses Advanced LinCMOS process technology to achieve rail-to-rail output swing while maintaining low input bias current and low noise. Its input stage operates down to the negative rail, supporting true single-supply operation with common-mode input range extending to VDD−.
It features unity-gain stable compensation, 50° phase margin, and 10 dB gain margin into 10-kΩ//100-pF loads. The device is fully characterized at both ±5 V and 5-V single supply, with specified performance over 0°C to 70°C (C-grade), including input offset voltage drift of 2 µV/°C and long-term drift of 0.002 µV/month.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 2.25 MHz - supports closed-loop bandwidth up to ~2.18 MHz at AV = 1 with 10-kΩ load and 100-pF capacitance. |
| Slew rate | 3.6 V/µs typical - enables clean 20-kHz sine-wave output at ±2.3 V with <0.0011% THD+N under ±5 V supply. |
| Input bias current | 1 pA typical - preserves signal integrity in piezoelectric or pH electrode interfaces with >1-GΩ source impedances. |
| Input voltage noise | 9 nV/√Hz at 1 kHz - two times lower than legacy TLC27x op-amps, critical for low-level sensor amplification. |
| Input offset voltage | ≤950 µV max (TLC2272A spec) - ensures ≤0.5% error in 12-bit ADC systems with 2.5-V reference without trimming. |
| Supply current per channel | 2.4 mA typical at ±5 V - enables dual-channel operation in sub-5-mA total system power budgets. |
| Common-mode input range | Extends to VDD− - allows direct sensing of ground-referenced signals in single-supply configurations. |
| Output voltage swing | Rail-to-rail - delivers >4.9 VPP into 10-kΩ load at ±5 V supply, maximizing dynamic range into successive-approximation ADCs. |
Pinout & Package
The TLC2272CPSR is housed in an 8-pin TSSOP package (body size 4.40 mm × 3.00 mm) with exposed pad for thermal enhancement. Pin 1 is marked by a dot or bevelled corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OUT | Output, Channel 1 | Amplified output node capable of sourcing/sinking ±200 µA while maintaining rail-to-rail swing. |
| 1IN− | Inverting input, Channel 1 | Differential input terminal with 10¹² Ω common-mode input resistance and −5.3 V to +4 V common-mode range at ±5 V supply. |
| 1IN+ | Non-inverting input, Channel 1 | Differential input terminal matching 1IN− in impedance and voltage range; used for unity-gain buffers or non-inverting amplifiers. |
| VDD−/GND | Negative supply / Ground | Reference node for single-supply (GND) or split-supply (VDD−) operation; must be low-impedance for noise immunity. |
| VDD+ | Positive supply | Accepts 4.4 V to 16 V (single) or ±2.2 V to ±8 V (split); supplies both channels and internal bias circuitry. |
| 2IN− | Inverting input, Channel 2 | Independent second channel input with identical electrical characteristics to Channel 1 inputs. |
| 2IN+ | Non-inverting input, Channel 2 | Enables dual-channel instrumentation or differential-to-single-ended conversion without external components. |
| 2OUT | Output, Channel 2 | Second independent output; shares same rail-to-rail drive strength and noise performance as 1OUT. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full supply voltage range output (e.g., −4.91 V to +4.93 V at ±5 V), eliminating headroom loss when driving SAR ADCs. |
| Low input bias current | 1-pA typical enables use with >100-MΩ sensor sources (e.g., glass pH electrodes) without significant DC error. |
| Low input voltage noise | 9 nV/√Hz at 1 kHz reduces integrated noise in 10-Hz–20-kHz audio and sensor bands, improving SNR by ≥6 dB vs. TLC272. |
| Single- and split-supply support | Fully specified from 5-V single supply (VDD+ = 5 V, VDD−/GND = 0 V) to ±5 V, simplifying design reuse across power architectures. |
| High CMRR & PSRR | 75 dB CMRR and 95 dB PSRR minimize error from supply ripple or common-mode interference in noisy industrial environments. |
| Macromodel included | SPICE model provided by TI enables accurate AC, transient, and stability simulation before prototyping. |
Applications
| Transducer Interface | Battery-Powered Monitoring |
|---|---|
Use Scenario: Amplifying low-level mV outputs from piezoelectric accelerometers or strain gauges in structural health monitoring. IC Role / Device Role / Timing Role: Precision DC-coupled signal conditioner with rail-to-rail output driving 12-bit SAR ADC input. Use Value: 1-pA input bias prevents loading of high-Z sensors; 9 nV/√Hz noise preserves signal fidelity below 100 µV RMS. | Use Scenario: Portable ECG front-end acquiring biopotential signals with >10-GΩ electrode impedance. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier first stage, configured as difference amplifier with matched resistors. Use Value: Rail-to-rail output maximizes utilization of 3.3-V ADC reference; 2.4-mA supply current enables >100-hour runtime on coin cell. |
| White Goods Control | ADC Driver for Industrial Sensors |
Use Scenario: Temperature and motor current sensing in refrigerator control boards operating across 0°C–70°C ambient. IC Role / Device Role / Timing Role: Signal conditioner for NTC thermistors and shunt-based current measurement feeding microcontroller ADCs. Use Value: Guaranteed 950 µV max VIO ensures <0.04% full-scale error over temperature; C-grade qualification meets appliance reliability requirements. | Use Scenario: Driving 16-bit sigma-delta ADC inputs in programmable logic controller (PLC) analog input modules. IC Role / Device Role / Timing Role: Low-noise, low-distortion buffer isolating sensor signal path from ADC input capacitance and digital noise. Use Value: 0.0011% THD+N at 20 kHz and 50° phase margin ensure stable acquisition without external compensation. |
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 10-V/µs slew rate but higher 25-nV/√Hz noise; 600-µA supply current per channel. | Better for high-speed pulse amplification; less suitable for low-noise sensor conditioning. | Select TLV2432IDR only when speed >3.6 V/µs is required and noise budget allows ≥2.7× increase. |
| OPA2333AIDR | Zero-drift architecture; 0.02 µV/°C offset drift vs. 2 µV/°C; 17-µV max VIO; 17-µA supply current per channel. | Superior DC precision for long-term measurements; insufficient output drive for 10-kΩ loads at full rail. | Choose OPA2333AIDR for µV-level DC accuracy in data loggers; avoid where >2-mA output current or rail-to-rail swing is mandatory. |
Compared with TLV2432IDR and OPA2333AIDR, the TLC2272CPSR provides optimal balance of rail-to-rail output drive, ultra-low input bias current, and low 1/f noise - making it uniquely suited for high-impedance, battery-constrained transducer interfaces where both precision and power efficiency matter.
Availability
TLC2272CPSR is available at Aetrix Electronics and suitable for white goods control, handheld monitoring systems, and transducer interface designs requiring stable component supply with guaranteed long-term manufacturability.
Supply support for TLC2272CPSR 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and personal electronics markets.
The TLC227x family was designed specifically for precision, low-power signal conditioning in resource-constrained systems - emphasizing rail-to-rail output, ultra-low input bias current, and low-voltage noise for sensor and measurement applications.
FAQ
What supply voltage ranges does the TLC2272CPSR support?
The TLC2272CPSR operates from ±2.2 V to ±8 V in split-supply mode or 4.4 V to 16 V in single-supply mode. It is fully characterized at ±5 V and 5-V single supply, with guaranteed performance across 0°C to 70°C ambient. The device's rail-to-rail output and input common-mode range extending to VDD− make it compatible with 3.3-V and 5-V microcontroller-based systems without level-shifting.
Is the TLC2272CPSR pin-compatible with the TLC2272CP?
Yes, the TLC2272CPSR (TSSOP-8) and TLC2272CP (SOIC-8) share identical pinout and electrical specifications. Both use the same 8-pin configuration: 1OUT, 1IN−, 1IN+, VDD−/GND, VDD+, 2IN−, 2IN+, 2OUT. Mechanical differences - TSSOP's 4.4 mm × 3.0 mm body versus SOIC's 3.91 mm × 4.90 mm - require PCB layout adjustment, but no schematic changes are needed when substituting TLC2272CPSR for TLC2272CP.
Does the TLC2272CPSR meet automotive AEC-Q200 requirements?
No, the TLC2272CPSR is a commercial-grade (C-level) part rated for 0°C to 70°C operation and is not AEC-Q200 qualified. For automotive applications, Texas Instruments offers the TLC2272MQPWRQ1 (Q-grade), which is qualified to AEC-Q100 and specified for −40°C to 125°C operation. The TLC2272CPSR should be used only in industrial, consumer, or white goods applications within its rated temperature range.
How does the TLC2272CPSR differ from the TLC2272A variant?
The TLC2272CPSR is the standard-grade version of the TLC2272 family, while the TLC2272A designation indicates tighter input offset voltage specification: ≤950 µV max at 25°C versus ≤2500 µV max for the base TLC2272. All other parameters - gain-bandwidth, slew rate, noise, supply current, and pinout - are identical. The "A" suffix reflects binning for precision DC performance, not a different die or package.
Can the TLC2272CPSR drive a 10-kΩ load while maintaining rail-to-rail output?
Yes, the TLC2272CPSR delivers rail-to-rail output swing into 10-kΩ loads under both ±5 V and 5-V single supply. At ±5 V, it achieves −4.85 V to +4.85 V (min) with ±200 µA load, and −4.25 V to +4.25 V (min) with ±1 mA load. Its output stage is designed for robust drive capability, and the datasheet confirms rail-to-rail performance is maintained across the full recommended operating conditions - including temperature and supply voltage ranges.
TLC2272CPSR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
TLC2272CPSR FAQ
1.How can I place an order for TLC2272CPSR through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2272CPSR 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 TLC2272CPSR reliable?
The price and inventory of TLC2272CPSR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2272CPSR is usually 5 days.
3.What payment methods are accepted for TLC2272CPSR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2272CPSR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2272CPSR?
TLC2272CPSR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2272CPSR 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 TLC2272CPSR?
For technical support, including TLC2272CPSR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2272CPSR requirements.
6.How does Aetrix verify that TLC2272CPSR is sourced from the original manufacturer or authorized distributors?
All TLC2272CPSR 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 TLC2272CPSR meets industry standards.
7.What is the process for return or replacement of TLC2272CPSR?
All TLC2272CPSR units undergo pre-shipment inspection (PSI). If there is an issue with TLC2272CPSR, 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 TLC2272CPSR part is unused and in its original packaging.
Return procedure for TLC2272CPSR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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