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Texas Instruments TLC2272CP
- Part No.:
- TLC2272CP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC2272CP.pdf
- Description:
- IC CMOS 2 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,209
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Product details
Overview
TLC2272CP from Texas Instruments is a dual rail-to-rail output operational amplifier in an 8-pin PDIP package, delivering 2.2-MHz gain-bandwidth, 3.6-V/µs slew rate, and 9 nV/√Hz input voltage noise at 1 kHz. It operates from ±2.2 V to ±8 V supplies, supports common-mode input down to the negative rail, and is specified for 0°C to 70°C industrial temperature range - ideal for precision transducer signal conditioning in battery-powered handheld monitors.
For engineers reviewing the TLC2272CP datasheet, TLC2272CP pinout, TLC2272CP application, or TLC2272CP equivalent, key selection considerations include its rail-to-rail output swing (±4.99 V at ±5 V supply), ultra-low 1-pA typical input bias current, 950-µV maximum input offset voltage (TLC2272A variant), low 2.4-mA supply current, and compatibility with single-supply ADC interface circuits.
Technical Context
The TLC2272CP uses advanced LinCMOS process technology to achieve rail-to-rail output swing while maintaining high input impedance (>10¹² Ω) and low input bias current. Its architecture supports both single-supply (e.g., +5 V with GND) and split-supply (e.g., ±5 V) operation without performance degradation.
It features internal compensation for unity-gain stability, 75-dB typical CMRR at ±5 V, and 95-dB supply-voltage rejection ratio - enabling robust operation in noisy industrial environments where supply ripple or common-mode interference must be rejected without external filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | ±2.2 V to ±8 V - supports wide-range split supplies and single-supply operation down to 4.4 V total. |
| Gain-Bandwidth Product | 2.25 MHz - enables stable closed-loop amplification up to ~200 kHz at gain = 10. |
| Slew Rate | 3.6 V/µs - supports clean 10-kHz sine-wave output at 2-Vpp without distortion. |
| Input Offset Voltage | ≤950 µV (TLC2272A version) - reduces DC error in precision sensor front-ends and instrumentation. |
| Input Bias Current | 1 pA typical - preserves signal integrity when amplifying high-impedance sources like piezoelectric sensors. |
| Output Swing | ±4.99 V at ±5 V supply (IO = −20 µA) - delivers full dynamic range into 10-kΩ loads, maximizing ADC utilization. |
| Input Voltage Noise | 9 nV/√Hz at 1 kHz - two times lower than TLC272, critical for low-level analog signal fidelity. |
Pinout & Package
Package: 8-pin PDIP (Plastic Dual In-line Package), body size 6.35 mm × 9.81 mm, through-hole mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1OUT | Output of Channel 1 - rail-to-rail capable, drives loads ≥10 kΩ directly. |
| 2 | 1IN− | Inverting input of Channel 1 - high-impedance node; requires matched trace routing for optimal CMRR. |
| 3 | 1IN+ | Non-inverting input of Channel 1 - accepts signals down to VDD− (negative rail), enabling true single-supply sensing. |
| 4 | VDD−/GND | Negative supply or ground reference - must be low-impedance; decoupling capacitor required near pin. |
| 5 | 2IN− | Inverting input of Channel 2 - electrically isolated from Channel 1; no crosstalk below −100 dB. |
| 6 | 2IN+ | Non-inverting input of Channel 2 - identical input specification to Pin 3; supports independent dual-channel design. |
| 7 | 2OUT | Output of Channel 2 - fully independent output stage; can drive separate loads or feedback networks. |
| 8 | VDD+ | Positive supply - accepts up to +8 V; must be bypassed with 0.1-µF ceramic capacitor to VDD−/GND. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers >99% of supply rails (±4.99 V at ±5 V), eliminating headroom loss when interfacing with 5-V ADCs. |
| Low input bias current (1 pA) | Minimizes voltage drop across high-Z sensor elements (e.g., pH electrodes, photodiodes), preserving accuracy. |
| Low input voltage noise (9 nV/√Hz) | Enables detection of microvolt-level signals in medical or environmental monitoring without added amplification stages. |
| Specified for single- and split-supply operation | Eliminates need for external level-shifting circuitry in mixed-signal systems using both digital (3.3 V) and analog (±5 V) domains. |
| Common-mode input range includes negative rail | Allows direct connection of unipolar sensor outputs (e.g., 0–100 mV thermocouple) to inverting or non-inverting inputs without biasing. |
Applications
| Hand-held Monitoring Systems | Transducer Interfaces |
|---|---|
Use Scenario: Portable blood glucose meter with electrochemical sensor requiring low-power, high-accuracy analog front-end. IC Role / Device Role / Timing Role: Dual op-amp configured as precision current-to-voltage converter and buffer for ADC input. Use Value: 1-pA input bias prevents sensor polarization; rail-to-rail output ensures full-scale use of 12-bit ADC with 3.3-V reference. |
Use Scenario: Industrial pressure transducer with millivolt-level bridge output in harsh factory environment. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier (dual-opamp topology) with gain = 100 and low-noise filtering. Use Value: 9 nV/√Hz noise floor preserves SNR; 75-dB CMRR rejects motor-drive EMI coupled onto sensor cables. |
| Battery-Powered Applications | White Goods (Refrigerators) |
Use Scenario: Wireless temperature logger powered by coin-cell battery with 10-year target lifetime. IC Role / Device Role / Timing Role: Low-quiescent-current signal conditioner for thermistor network, active only during measurement bursts. Use Value: 2.4-mA supply current enables microamp-average operation via duty cycling; rail-to-rail output avoids external charge pumps. |
Use Scenario: Refrigerator control board measuring evaporator coil temperature and compressor current. IC Role / Device Role / Timing Role: Dual-channel signal conditioner: one channel for NTC thermistor, second for shunt-based current sense. Use Value: Single ±5-V supply powers both channels; 950-µV max VIO ensures <±0.5°C temperature accuracy over 0–70°C ambient. |
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 |
|---|---|---|---|
| TLV2432CDR | Higher 1.8-mA supply current, wider input voltage range (up to VDD+ −0.2 V), but lower 1.2-MHz GBW. | Better for higher-output-drive needs (60-mA short-circuit current vs. TLC2272CP's 50 mA), less suitable for low-noise sensor amps. | Select TLV2432CDR when driving heavier capacitive loads or requiring enhanced output current capability. |
| TLC2272CDR | Identical electrical specs and pinout, but in SOIC-8 package (3.91 mm × 4.90 mm) instead of PDIP; same C-temp grade. | Preferred for automated SMT assembly; requires PCB redesign due to different footprint and thermal characteristics. | Choose TLC2272CDR for volume production with reflow soldering; retain TLC2272CP for prototyping or through-hole legacy designs. |
Compared with TLV2432CDR and TLC2272CDR, the TLC2272CP offers superior noise performance (9 nV/√Hz vs. 12 nV/√Hz) and lower input bias current (1 pA vs. 10 pA), making it optimal for high-impedance, low-level signal chains where fidelity outweighs drive strength or SMT compatibility.
Availability
TLC2272CP is available at Aetrix Electronics and suitable for hand-held monitoring systems, transducer interfaces, and battery-powered applications requiring stable component supply, long-lifecycle support, and consistent parametric performance across production batches.
Supply support for TLC2272CP 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 90 years of innovation in precision analog ICs.
The TLC227x family was designed specifically for rail-to-rail output precision amplification in cost-sensitive industrial and consumer systems - emphasizing low noise, micropower operation, and robust AC performance over legacy CMOS op-amps.
FAQ
What is the maximum supply voltage for TLC2272CP?
The TLC2272CP has an absolute maximum supply voltage rating of ±8 V. Operation beyond this limit risks permanent damage. The recommended operating range is ±2.2 V to ±8 V, with full electrical specifications guaranteed across that span at temperatures from 0°C to 70°C. Always observe derating guidelines for extended reliability at elevated ambient temperatures.
Does TLC2272CP support single-supply operation?
Yes, the TLC2272CP is fully specified for single-supply operation - for example, with VDD+ = +5 V and VDD−/GND = 0 V. Its common-mode input range extends to the negative rail, and its rail-to-rail output swings within 10 mV of both supply rails under light load, enabling direct interfacing with unipolar ADCs and microcontroller analog inputs without level-shifting circuitry.
What is the input offset voltage specification for TLC2272CP?
The TLC2272CP (standard grade) has a maximum input offset voltage of 2500 µV at TA = 25°C, and 3000 µV across the full 0°C to 70°C temperature range. For tighter DC accuracy, the pin-compatible TLC2272ACP variant offers ≤950 µV max at 25°C and ≤1500 µV over full temperature range - both share identical package, pinout, and AC performance.
Can TLC2272CP drive capacitive loads directly?
The TLC2272CP is unity-gain stable with capacitive loads up to 100 pF when driving a 10-kΩ resistive load, as verified in the datasheet's settling time and phase margin tests. For loads >100 pF, external isolation resistance (e.g., 10–50 Ω in series with the output) is recommended to maintain stability and prevent peaking or oscillation in closed-loop configurations.
Is TLC2272CP RoHS compliant and lead-free?
Yes, the TLC2272CP is RoHS-compliant and lead-free per TI's official packaging documentation. The PDIP package uses matte tin lead finish, and all homogeneous materials meet EU Directive 2011/65/EU requirements. Full compliance documentation, including substance declarations and test reports, is available via Texas Instruments' Quality & Environmental page.
TLC2272CP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- 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:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TLC2272CP FAQ
1.How can I place an order for TLC2272CP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2272CP 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 TLC2272CP reliable?
The price and inventory of TLC2272CP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2272CP is usually 5 days.
3.What payment methods are accepted for TLC2272CP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2272CP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2272CP?
TLC2272CP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2272CP 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 TLC2272CP?
For technical support, including TLC2272CP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2272CP requirements.
6.How does Aetrix verify that TLC2272CP is sourced from the original manufacturer or authorized distributors?
All TLC2272CP 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 TLC2272CP meets industry standards.
7.What is the process for return or replacement of TLC2272CP?
All TLC2272CP units undergo pre-shipment inspection (PSI). If there is an issue with TLC2272CP, 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 TLC2272CP part is unused and in its original packaging.
Return procedure for TLC2272CP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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