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Texas Instruments TLC2264CN
- Part No.:
- TLC2264CN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
TLC2264CN.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:362
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Product details
Overview
TLC2264CN from Texas Instruments is a quad rail-to-rail output operational amplifier in a 14-pin plastic DIP (N) package, designed for precision signal conditioning in single- or split-supply systems. It delivers 12 nV/√Hz input voltage noise at 1 kHz, 1 pA typical input bias current, 500 µA max supply current per amplifier (2 mA total), and rail-to-rail output swing - enabling full dynamic range interfacing with 5 V or ±5 V ADCs in battery-powered sensor front-ends.
For engineers reviewing the TLC2264CN datasheet, TLC2264CN pinout, TLC2264CN application, or TLC2264CN equivalent, this device is selected for low-noise, micropower analog signal chains requiring high input impedance, wide common-mode range (down to negative rail), and stable ac performance up to 730 kHz GBW - especially where legacy TS27M4/TLC27M4 upgrades are needed without layout changes.
Technical Context
The TLC2264CN uses Advanced LinCMOS™ process technology to achieve rail-to-rail output swing while maintaining CMOS-level input bias current (1 pA typ) and low noise (12 nV/√Hz). Its input stage supports common-mode voltages extending to the negative supply rail, and its output can drive ±4.8 V into 50 kΩ with ±5 V supplies.
It operates across 0°C to 70°C (C-suffix), is fully characterized at both 5 V single-supply and ±5 V split-supply conditions, and features 70–83 dB CMRR and 80–95 dB PSRR - making it suitable for dc-coupled transducer interfaces and precision gain stages where offset stability and power efficiency are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current (4 amps) | 0.8–1.0 mA at 25°C - enables multi-channel sensing in space-constrained, battery-operated equipment. |
| Input Bias Current | 1 pA typical - preserves signal integrity when amplifying high-impedance sources like piezoelectric sensors or pH electrodes. |
| Input Voltage Noise | 12 nV/√Hz at 1 kHz - reduces contribution to system noise floor in audio and instrumentation front-ends. |
| Output Swing | Rail-to-rail - delivers full 0–5 V or ±4.8 V output range, maximizing ADC utilization without level-shifting circuitry. |
| Gain-Bandwidth Product | 0.71 MHz (5 V) / 0.73 MHz (±5 V) - supports stable unity-gain buffering and moderate-bandwidth filtering up to ~185 kHz. |
| Common-Mode Input Range | Includes negative rail (0 to 4.2 V on 5 V, –5 to 4.2 V on ±5 V) - allows direct dc-coupling of signals referenced to ground or negative rails. |
| Input Offset Voltage | 300–2500 µV max at 25°C - sufficient for medium-precision applications; tighter 950 µV max available in TLC2264AIN variant. |
Pinout & Package
Package: 14-pin plastic DIP (N), through-hole mounting, 0°C to 70°C operating range (C-suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives external load or next-stage input with rail-to-rail capability. |
| 2 | IN– A | Inverting input of Amp A - high-impedance node (10¹² Ω) for feedback or differential configuration. |
| 3 | IN+ A | Non-inverting input of Amp A - accepts high-Z sensor signals without loading error. |
| 4 | VDD+ | Positive supply pin - connects to +5 V (single) or +5 V (split); must be decoupled locally. |
| 5 | IN+ B | Non-inverting input of Amp B - independent channel for dual-signal processing (e.g., differential pair). |
| 6 | IN– B | Inverting input of Amp B - used for active filtering or gain-setting with external resistors. |
| 7 | OUT B | Amplifier B output - electrically isolated from OUT A; shares VDD+ and VDD– rails. |
| 8 | VDD–/GND | Negative supply or ground reference - common return for all four amplifiers; supports single- or dual-supply operation. |
| 9 | OUT C | Amplifier C output - enables three-channel signal conditioning (e.g., RGB sensor preamp, triaxial vibration). |
| 10 | IN– C | Inverting input of Amp C - configured for programmable gain or active low-pass filtering. |
| 11 | IN+ C | Non-inverting input of Amp C - high-impedance node compatible with thermocouple or strain gauge bridges. |
| 12 | IN+ D | Non-inverting input of Amp D - supports reference buffer or comparator hysteresis generation. |
| 13 | IN– D | Inverting input of Amp D - used for precision summing or current-to-voltage conversion. |
| 14 | OUT D | Amplifier D output - completes quad functionality; capable of driving 50 kΩ loads to within 180 mV of rails. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full 0–5 V or ±4.8 V output range on 5 V or ±5 V supplies - eliminates need for level-shifting circuits before ADCs. |
| Ultra-low input bias current (1 pA) | Minimizes voltage error across high-value feedback networks and preserves signal fidelity from megohm-range sensors. |
| Low input voltage noise (12 nV/√Hz) | Reduces integrated noise in bandwidths up to 20 kHz - critical for audio preamps and precision instrumentation. |
| Single- and split-supply operation | Fully specified from ±2.2 V to ±8 V or 4.4 V to 16 V - simplifies design reuse across portable and industrial power architectures. |
| Common-mode input range includes negative rail | Accepts inputs down to VDD– - enables direct coupling of ground-referenced signals without biasing resistors. |
| Macromodel included | SPICE model provided by TI for accurate simulation of transient response, settling time (6.4 µs to 0.1%), and stability margins. |
Applications
| Medical Sensor Front-End | Industrial Process Monitoring |
|---|---|
|
Use Scenario: Amplifying low-level signals from ECG electrodes or thermistor bridges in portable patient monitors. IC Role / Device Role / Timing Role: Quad op-amp provides simultaneous gain, filtering, and reference buffering for multi-parameter acquisition. Use Value: 1 pA input bias prevents electrode polarization errors; rail-to-rail output ensures full-scale digitization by 12-bit ADCs. |
Use Scenario: Signal conditioning for 4–20 mA loop receivers and RTD temperature transmitters in PLC I/O modules. IC Role / Device Role / Timing Role: Configured as precision current-to-voltage converter and low-drift amplifier for analog input channels. Use Value: 70–83 dB CMRR rejects common-mode noise on long field wiring; 0.8–1.0 mA total supply current supports dense channel count. |
| Portable Audio Preamp | Automotive Cabin Sensors |
|
Use Scenario: Low-noise microphone preamplification in voice-controlled IoT devices powered by coin-cell batteries. IC Role / Device Role / Timing Role: First-stage gain block with selectable gain and high-pass filtering using external RC networks. Use Value: 12 nV/√Hz noise floor preserves SNR; 500 µA per amplifier enables >100-hour battery life in always-on listening mode. |
Use Scenario: Signal conditioning for cabin humidity, CO₂, and particulate matter sensors in automotive HVAC control units. IC Role / Device Role / Timing Role: Quad amplifier handles multiple sensor types - resistive, capacitive, and analog-output MEMS - with shared supply and layout. Use Value: C-suffix rating (0°C to 70°C) meets passenger compartment thermal requirements; DIP package supports manual rework in low-volume assembly. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad rail-to-rail op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC2264AIN | Same pinout and architecture, but A-grade with 950 µV max input offset voltage (vs. 2500 µV for TLC2264CN) and extended –40°C to 125°C temp range. | Required for automotive or industrial environments demanding tighter dc accuracy and wider temperature operation. | Select TLC2264AIN when offset drift or extended temperature performance is critical; no PCB change needed. |
| TLV2444 | Lower supply current (550 µA per amp), higher GBW (1.8 MHz), but higher input bias current (10 nA) and no negative-rail input capability. | Better for higher-speed, lower-power applications where input impedance >100 MΩ is not required. | Choose TLV2444 for faster settling (1.5 µs) and lower total quiescent current; verify input stage compatibility with sensor source impedance. |
Compared with TLC2264AIN, the TLC2264CN trades offset accuracy and temperature range for cost and availability in commercial-grade designs; compared with TLV2444, it prioritizes ultra-low input bias and rail-in capability over speed and power - making it optimal for high-impedance, precision dc-coupled systems.
Availability
TLC2264CN is available at Aetrix Electronics and suitable for medical sensor front-ends, industrial process monitoring, and portable audio preamps requiring stable component supply, long-lifecycle support, and through-hole manufacturability.
Supply support for TLC2264CN 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 op-amps and signal chain solutions.
The TLC226x family was engineered for battery-powered and sensor interface applications requiring rail-to-rail output, micropower consumption, and low-noise performance - bridging the gap between ultra-low-power and high-ac-performance op-amp families.
FAQ
What is the maximum supply voltage for the TLC2264CN?
The TLC2264CN supports absolute maximum supply voltages of +8 V on VDD+ and –8 V on VDD–, with recommended operating range from ±2.2 V to ±8 V (split) or 4.4 V to 16 V (single). Exceeding these limits risks permanent damage. For standard 5 V or ±5 V designs, the device operates reliably within full electrical specifications.
Does the TLC2264CN support true rail-to-rail input?
No - the TLC2264CN features rail-to-rail *output* swing only. Its common-mode input voltage range extends to the negative rail (VDD–) but stops 1.5 V below the positive rail (e.g., 0–3.5 V on 5 V supply). This allows ground-referenced inputs but requires headroom at the top end for accurate operation.
Can the TLC2264CN replace the TLC27M4 in existing designs?
Yes - the TLC2264CN is explicitly positioned as a performance upgrade for the TLC27M4 and TS27M4. It offers lower input offset voltage, lower noise, rail-to-rail output, and improved common-mode range. Pinout is identical in the 14-pin DIP (N) package, enabling drop-in replacement without PCB modification.
What is the typical settling time of the TLC2264CN?
The TLC2264CN achieves 6.4 µs settling time to 0.1% for a 0.5 V to 2.5 V step under unity-gain configuration with 50 kΩ load and 100 pF capacitance. At 0.01%, settling extends to 14.1 µs. These values are measured at 25°C with 5 V supply and confirm suitability for multiplexed data acquisition systems.
Is SPICE modeling support available for the TLC2264CN?
Yes - Texas Instruments provides a validated macromodel for the TLC226x family, including the TLC2264CN. The model accurately simulates key behaviors: input offset, noise spectral density, slew rate, phase margin (56°), and output swing limitations - enabling reliable pre-layout verification of stability and transient response.
TLC2264CN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- LinCMOS™
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.55V/µs
- Gain Bandwidth Product:
- 730 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 850µA (x4 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
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
TLC2264CN FAQ
1.How can I place an order for TLC2264CN through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC2264CN 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 TLC2264CN reliable?
The price and inventory of TLC2264CN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC2264CN is usually 5 days.
3.What payment methods are accepted for TLC2264CN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC2264CN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC2264CN?
TLC2264CN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC2264CN 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 TLC2264CN?
For technical support, including TLC2264CN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC2264CN requirements.
6.How does Aetrix verify that TLC2264CN is sourced from the original manufacturer or authorized distributors?
All TLC2264CN 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 TLC2264CN meets industry standards.
7.What is the process for return or replacement of TLC2264CN?
All TLC2264CN units undergo pre-shipment inspection (PSI). If there is an issue with TLC2264CN, 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 TLC2264CN part is unused and in its original packaging.
Return procedure for TLC2264CN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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