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Texas Instruments TLC2252IP
- Part No.:
- TLC2252IP
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC2252IP.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,419
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Product details
Overview
TLC2252IP from Texas Instruments is a dual rail-to-rail output, very low-power operational amplifier in an 8-pin plastic DIP package. It delivers 35 µA per channel supply current, 19 nV/√Hz input voltage noise at 1 kHz, and 1 pA typical input bias current, enabling precision signal conditioning in battery-powered sensor interfaces and portable instrumentation.
For engineers reviewing the TLC2252IP datasheet, TLC2252IP pinout, TLC2252IP application, or TLC2252IP equivalent, key selection criteria include its rail-to-rail output swing (enabling full dynamic range with single 5 V or ±5 V supplies), low offset voltage (≤1500 µV max at 25°C for standard grade), micropower operation, and compatibility with high-impedance sources such as piezoelectric transducers.
Technical Context
The TLC2252IP uses Advanced LinCMOS™ process technology to achieve rail-to-rail output swing while maintaining ultra-low input bias current and low noise. Its input stage operates down to the negative rail, supporting single-supply configurations with ground-referenced inputs.
It is fully specified across –40°C to +125°C, with guaranteed performance at ±2.2 V to ±8 V supply voltages. The device exhibits 63° phase margin and 15 dB gain margin under unity-gain conditions with 50 kΩ load and 100 pF capacitive load, ensuring stable operation in precision closed-loop circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 70–125 µA per channel at 25°C - enables multi-year battery life in always-on sensing nodes |
| Input Bias Current | 1 pA typical - preserves signal integrity when amplifying from >1 GΩ sources like pH electrodes |
| Input Voltage Noise | 19 nV/√Hz at 1 kHz - supports accurate low-frequency measurement without excessive filtering |
| Output Swing | Rail-to-rail - delivers full 0 V to 5 V (or ±4.8 V with ±5 V supply) output range, maximizing ADC utilization |
| Common-Mode Input Range | Includes negative rail (VDD–) - allows direct ground-referenced input in single-supply systems |
| Input Offset Voltage | ≤1500 µV max at 25°C - suitable for DC-coupled amplification where <1 mV error is acceptable |
| Gain-Bandwidth Product | 0.2 MHz - adequate for anti-aliasing, sensor buffering, and low-speed control loops |
Pinout & Package
Package: PDIP-8 (Plastic Dual In-line Package, 0.300-inch width).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT1 | Amplifier 1 output - drives loads up to ±50 mA; rail-to-rail capable |
| 2 | IN1– | Inverting input of Amp 1 - high-impedance node (10¹² Ω) |
| 3 | IN1+ | Non-inverting input of Amp 1 - accepts common-mode voltage down to VDD– |
| 4 | VDD– / GND | Negative supply or ground reference - shared return for both amplifiers |
| 5 | IN2+ | Non-inverting input of Amp 2 - electrically isolated from Amp 1 inputs |
| 6 | IN2– | Inverting input of Amp 2 - matched bias current and impedance to Pin 2 |
| 7 | OUT2 | Amplifier 2 output - independent output stage, same specs as OUT1 |
| 8 | VDD+ | Positive supply - supports ±2.2 V to ±8 V dual or 4.4 V to 16 V single supply |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Delivers full-swing output within 10 mV of either rail, maximizing dynamic range into ADCs or analog switches |
| Very low power | 35 µA per channel typical - reduces thermal drift and extends battery runtime in portable devices |
| Low input bias current | 1 pA typical - minimizes voltage error across high-value feedback networks and sensor elements |
| Low noise | 19 nV/√Hz at 1 kHz - improves signal-to-noise ratio in low-level transducer amplification |
| Single- and split-supply support | Fully characterized from ±2.2 V to ±8 V and 4.4 V to 16 V - simplifies design reuse across architectures |
Applications
| Portable ECG Front-End | Piezoelectric Vibration Sensor Interface |
|---|---|
Use Scenario: Amplifying microvolt-level bio-potential signals from dry electrodes in handheld cardiac monitors. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier buffer with high input impedance and low noise. Use Value: 1 pA input bias current prevents electrode polarization; rail-to-rail output ensures full-scale use of 12-bit ADC input range. | Use Scenario: Conditioning charge output from industrial vibration sensors in predictive maintenance edge nodes. IC Role / Device Role / Timing Role: Charge-to-voltage converter and low-noise gain stage before ADC sampling. Use Value: 19 nV/√Hz noise floor preserves signal fidelity below 1 kHz; micropower operation enables solar/battery hybrid power budgets. |
| Remote Environmental Sensor Node | Industrial 4–20 mA Loop Receiver |
Use Scenario: Signal conditioning for thermistor, RTD, or gas sensor bridges in unattended field deployments. IC Role / Device Role / Timing Role: Precision differential amplifier driving low-power SAR ADC in sleep-wake cycles. Use Value: 35 µA per channel supply current enables >5-year battery life; wide temperature range (–40°C to +125°C) ensures reliability in outdoor enclosures. | Use Scenario: Converting loop current to ground-referenced voltage in programmable logic controller (PLC) analog input modules. IC Role / Device Role / Timing Role: Low-drift, rail-to-rail I-to-V converter with buffered output for isolation stages. Use Value: Common-mode input range including VDD– allows direct connection to shunt resistor on low-side; 1500 µV max VIO meets 0.1% accuracy requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-power op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2432IP | Higher output drive (±25 mA), wider input voltage range (to VDD– – 0.2 V), but higher supply current (550 µA/channel) | Better suited for driving heavier capacitive loads or low-impedance buffers; not optimal for ultra-low-power designs | Select TLV2432IP only if output current >±50 mA or faster settling is required; otherwise TLC2252IP offers superior power efficiency |
| TLC2272IP | Lower input offset voltage (1000 µV max), higher GBW (2.2 MHz), but higher supply current (1.3 mA/channel) | Enables higher-speed signal paths and tighter DC accuracy, at cost of ~37× higher quiescent power | Choose TLC2272IP when bandwidth or offset voltage dominates over power budget; TLC2252IP remains preferred for micropower priority |
Compared with TLV2432IP and TLC2272IP, the TLC2252IP provides the lowest quiescent current (35 µA/channel) and best input bias current (1 pA), making it uniquely suited for long-life, high-impedance, low-frequency sensor front-ends where power is constrained and speed is secondary.
Availability
TLC2252IP is available at Aetrix Electronics and suitable for portable medical devices, environmental monitoring systems, and industrial loop receivers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLC2252IP 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 decades of expertise in precision amplifiers and low-power signal chain solutions.
The TLC225x family was designed specifically for micropower, rail-to-rail output applications in battery-operated instrumentation, sensor interfaces, and portable equipment where input bias current and noise must be minimized without sacrificing output swing.
FAQ
What is the maximum operating temperature range for the TLC2252IP?
The TLC2252IP is rated for operation from –40°C to +125°C, meeting industrial and extended-temperature requirements. This rating is confirmed in the "Recommended Operating Conditions" table of the official SLOS176D datasheet, where the "I suffix" designation (as indicated in the part number's "I" position) explicitly defines this range. The device maintains specified electrical performance-including input offset voltage, supply current, and output swing-across this full interval.
Does the TLC2252IP support true single-supply operation with input referenced to ground?
Yes, the TLC2252IP supports true single-supply operation with ground-referenced inputs. Its common-mode input voltage range includes the negative rail (VDD–/GND), allowing the IN+ and IN– pins to operate at 0 V when powered from a single 5 V supply. This is verified in the "Electrical Characteristics" tables (pages 6 and 8), where VICR is specified as "VDD– to VDD+ – 1.5 V" - confirming functionality down to ground with no level-shifting circuitry required.
What is the typical input offset voltage for the TLC2252IP, and how does it compare to the TLC2252AIP variant?
The TLC2252IP has a typical input offset voltage of 200 µV and a maximum of 1500 µV at 25°C, as stated in the "Electrical Characteristics" table on page 6 of the SLOS176D datasheet. In contrast, the TLC2252AIP variant (denoted by the "AI" prefix) specifies a tighter 850 µV maximum at 25°C. Both share identical pinout, package, and operating conditions - the "A" suffix indicates enhanced initial offset calibration, not a different die or architecture.
Can the TLC2252IP drive a 100 pF capacitive load stably at unity gain?
Yes, the TLC2252IP is stable driving a 100 pF capacitive load at unity gain. The datasheet's "Operating Characteristics" section (page 7) confirms a 63° phase margin and 15 dB gain margin under test conditions of RL = 50 kΩ and CL = 100 pF. These values exceed industry stability thresholds (typically >45° phase margin), confirming robust small-signal step response without external compensation required.
Is the TLC2252IP pin-compatible with legacy TI op-amps like the TLC27L2 or TS27L2?
Yes, the TLC2252IP is pin-compatible with the TLC27L2CP and TS27L2CN in the 8-pin PDIP package. The datasheet explicitly states: "The TLC2252/4 also makes great upgrades to the TLC27L2/L4 or TS27L2/L4 in standard designs," and the pinout diagrams (page 3) confirm identical terminal assignments: Pin 1 (OUT1), Pin 2 (IN1–), Pin 3 (IN1+), Pin 4 (VDD–/GND), Pin 5 (IN2+), Pin 6 (IN2–), Pin 7 (OUT2), Pin 8 (VDD+). No PCB changes are needed for drop-in replacement.
TLC2252IP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.12V/µs
- Gain Bandwidth Product:
- 210 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 80µA (x2 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 4.4 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
TLC2252IP FAQ
1.How can I place an order for TLC2252IP through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2252IP 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 TLC2252IP reliable?
The price and inventory of TLC2252IP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2252IP is usually 5 days.
3.What payment methods are accepted for TLC2252IP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2252IP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2252IP?
TLC2252IP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2252IP 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 TLC2252IP?
For technical support, including TLC2252IP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2252IP requirements.
6.How does Aetrix verify that TLC2252IP is sourced from the original manufacturer or authorized distributors?
All TLC2252IP 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 TLC2252IP meets industry standards.
7.What is the process for return or replacement of TLC2252IP?
All TLC2252IP units undergo pre-shipment inspection (PSI). If there is an issue with TLC2252IP, 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 TLC2252IP part is unused and in its original packaging.
Return procedure for TLC2252IP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC2252IP Tags
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