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Texas Instruments TLE2144AIN
- Part No.:
- TLE2144AIN
- Manufacturer:
- Texas Instruments
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
TLE2144AIN.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,945
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Product details
Overview
TLE2144AIN from Texas Instruments is a quad-channel, high-speed precision operational amplifier with Excalibur bipolar process technology. It delivers 5.9MHz gain-bandwidth, 27V/μs slew rate (±15V supply), 10.5nV/√Hz input voltage noise at 1kHz, ±22V supply range, and 500μV max input offset voltage at 25°C - enabling high-fidelity signal conditioning in industrial power conversion stages.
For engineers reviewing the TLE2144AIN datasheet, TLE2144AIN pinout, TLE2144AIN application, or TLE2144AIN equivalent, this page provides verified specifications, package mapping to 14-pin PDIP, real-world settling time (340ns to 0.1%), output swing capability (VCC− + 0.1V to VCC+ − 1V), and validated alternatives for EV charging infrastructure and string inverter designs.
Technical Context
The TLE2144AIN uses a complementary bipolar Excalibur input stage optimized for simultaneous low audio-band noise (10.5nV/√Hz) and symmetrical 27V/μs slew rate under ±15V operation with up to 800pF capacitive load. Its internal compensation ensures stable unity-gain operation without external components.
It supports single-supply (4V–44V) or split-supply (±2V–±22V) configurations, features differential input tolerance up to ±44V, and operates across –40°C to +105°C (I-suffix grade). Open-loop propagation delay is 200ns at TTL levels, and saturation recovery is specified at 150ns.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-bandwidth product | 5.9MHz - enables stable closed-loop operation up to ~500kHz with moderate gain in sensor front-ends. |
| Slew rate | 27V/μs (min, ±15V) - supports fast transient response in motor current sensing and DC-DC error amplifiers. |
| Input voltage noise | 10.5nV/√Hz at 1kHz - critical for low-distortion audio preamps and precision instrumentation amplifiers. |
| Input offset voltage | 500μV max at 25°C - ensures <0.01% gain error in 12-bit ADC driver applications with 5V full-scale. |
| Supply voltage range | ±2V to ±22V (split) or 4V to 44V (single) - accommodates wide-input industrial AC-DC and battery-backed systems. |
| Output swing | VCC− + 0.1V to VCC+ − 1V - delivers >95% rail-to-rail usable dynamic range in 15V systems. |
| Settling time | 340ns to 0.1% (10V step) - meets timing requirements for high-speed actuator feedback loops. |
Pinout & Package
Package: N (PDIP-14), 19.3mm × 9.4mm body size with through-hole mounting. Designed for thermal reliability in industrial ambient conditions up to +105°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 10, 13 | Inverting input (−) | Four independent op-amp inverting inputs; each accepts common-mode voltage from VCC− to VCC+ − 0.3V. |
| 2, 6, 9, 12 | Non-inverting input (+) | Four independent non-inverting inputs; compatible with rail-to-rail input stage design. |
| 3, 7, 8, 14 | Output | Four buffered outputs capable of ±20mA short-circuit current and driving 1000pF loads. |
| 4 | VCC− | Negative supply pin; supports split supplies down to −22V or ground reference in single-supply mode. |
| 11 | VCC+ | Positive supply pin; accepts up to +22V in split mode or +44V in single-supply configuration. |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise input stage | 10.5nV/√Hz at 1kHz and 15nV/√Hz at 10Hz - reduces integrated noise in 10Hz–20kHz bandwidth applications. |
| Capacitive load drive | Stable with ≥1000pF output load - eliminates need for isolation resistors in DAC buffer or cable-driver circuits. |
| Fast saturation recovery | 150ns recovery from output overdrive - prevents timing skew in comparator-mode operation during fault detection. |
| Wide supply flexibility | Operates from ±2V to ±22V or 4V to 44V - simplifies reuse across 5V, 12V, 24V, and 48V industrial subsystems. |
| Offset voltage null support | Two dedicated offset-null pins per dual/quad package (pins 1 & 5 on TLE2144) - enables sub-100μV trimming in precision references. |
Applications
| EV Charging Infrastructure | Industrial AC-DC Converters |
|---|---|
|
Use Scenario: Precision current sensing and voltage regulation feedback in 11kW–22kW onboard chargers. IC Role / Device Role / Timing Role: Quad op-amp implements isolated current shunt amplification, DC-link voltage scaling, temperature compensation, and PWM error amplification. Use Value: 27V/μs slew rate and 340ns settling enable accurate 50kHz switching cycle monitoring without phase lag. |
Use Scenario: Voltage and current loop control in three-phase rectifier and PFC stages. IC Role / Device Role / Timing Role: Configured as transconductance amplifier for IGBT gate drive biasing and as differential amplifier for DC bus sensing. Use Value: ±22V supply rating and 500μV VIO ensure stable regulation across 400V DC bus fluctuations with <0.1% error. |
| Fire Alarm Control Panel (FACP) | String Inverter Monitoring |
|
Use Scenario: Sensor signal conditioning for smoke, heat, and CO detectors interfacing to microcontroller ADCs. IC Role / Device Role / Timing Role: Low-noise amplification of thermistor and photo-diode signals with rail-compatible output swing. Use Value: 10.5nV/√Hz noise floor preserves SNR in μV-level detector outputs, supporting UL-listed sensitivity thresholds. |
Use Scenario: String-level IV curve tracing and leakage current detection in photovoltaic inverters. IC Role / Device Role / Timing Role: High-common-mode rejection amplifier for floating string voltage measurement and precision current integration. Use Value: 85dB CMRR and 1000pF load drive capability maintain accuracy during rapid MPPT sweeps across 1000V strings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA4134UA | Lower noise (8nV/√Hz), lower GBW (4MHz), no offset null pins, SOIC-14 only | Better for audio; less suitable for high-speed industrial feedback due to slower slew (20V/μs) | Prefer when ultra-low noise dominates over speed and offset trim capability. |
| LMC6084IMX | CMOS input (fA bias), higher VIO (1.5mV), rail-to-rail output, 1.3MHz GBW | Optimized for low-power, high-impedance sensors; insufficient slew (0.6V/μs) for power control loops | Choose for battery-powered sensor nodes where input bias current <1pA is mandatory. |
Compared with OPA4134UA and LMC6084IMX, the TLE2144AIN uniquely balances high slew rate, low noise, offset adjustability, and robust ±22V operation - making it the only option among the three qualified for demanding industrial power converter feedback paths requiring both speed and precision.
Availability
TLE2144AIN is available at Aetrix Electronics and suitable for EV charging infrastructure, industrial AC-DC converters, and fire alarm control panel (FACP) designs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TLE2144AIN 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 solutions, with decades of expertise in precision amplifiers and industrial-grade ICs.
The TLE214x family was engineered for high-reliability industrial signal conditioning - emphasizing low noise, fast settling, and rugged operation in power electronics, energy infrastructure, and safety-critical control systems.
FAQ
What is the operating temperature range for the TLE2144AIN?
The TLE2144AIN is rated for operation from –40°C to +105°C, matching the I-suffix industrial temperature grade. This range is validated per TI's SLOS183E datasheet Section 5.2 and supports deployment in enclosed industrial enclosures and outdoor EV charging units without derating.
Does the TLE2144AIN support single-supply operation?
Yes, the TLE2144AIN supports single-supply operation from 4V to 44V. Its input common-mode range extends to VCC− (ground), and output swings within 0.1V of VCC− and 1V below VCC+, enabling use in 5V, 12V, and 24V systems without level-shifting circuitry.
How many op-amps are integrated in the TLE2144AIN?
The TLE2144AIN integrates four independent precision operational amplifiers in a single 14-pin PDIP package. Each channel has dedicated inverting input, non-inverting input, and output pins - confirmed by the pin configuration diagram in Section 4 of the TI datasheet.
What is the maximum capacitive load the TLE2144AIN can drive stably?
The TLE2144AIN is characterized to drive ≥1000pF loads stably without oscillation, as stated in its "Features" list. This eliminates the need for series isolation resistors in DAC output buffers or long-cable sensor interfaces where capacitance exceeds typical 100–200pF limits.
Is the TLE2144AIN pin-compatible with other TLE214x variants?
Yes, all TLE2144 variants (including TLE2144, TLE2144A, TLE2144M, and TLE2144AM) share identical 14-pin PDIP pinouts. The "N" package designation applies uniformly, and functional pin assignments (e.g., VCC+, VCC−, inputs, outputs, offset null) are consistent across grades per TI's package documentation.
TLE2144AIN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 45V/µs
- Gain Bandwidth Product:
- 5.9 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 700 nA
- Voltage - Input Offset:
- 290 µV
- Current - Supply:
- 6.9mA (x4 Channels)
- Current - Output / Channel:
- 50 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 44 V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
TLE2144AIN FAQ
1.How can I place an order for TLE2144AIN through Aetrix?
Please submit a Request for Quotation (RFQ) for TLE2144AIN 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 TLE2144AIN reliable?
The price and inventory of TLE2144AIN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE2144AIN is usually 5 days.
3.What payment methods are accepted for TLE2144AIN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE2144AIN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLE2144AIN?
TLE2144AIN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLE2144AIN 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 TLE2144AIN?
For technical support, including TLE2144AIN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE2144AIN requirements.
6.How does Aetrix verify that TLE2144AIN is sourced from the original manufacturer or authorized distributors?
All TLE2144AIN 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 TLE2144AIN meets industry standards.
7.What is the process for return or replacement of TLE2144AIN?
All TLE2144AIN units undergo pre-shipment inspection (PSI). If there is an issue with TLE2144AIN, 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 TLE2144AIN part is unused and in its original packaging.
Return procedure for TLE2144AIN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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