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Home > Products > Integrated Circuits (ICs) > Linear > Instrumentation, Op Amps, Buffer Amps

Texas Instruments TLE2682IDW

Name: TLE2682IDW
Brand: Texas Instruments
SKU: TLE2682IDW
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TLE2682IDW

Manufacturer:: Texas Instruments

Category:: Instrumentation, Op Amps, Buffer Amps

Package:: 16-SOIC (0.295", 7.50mm Width)

Datasheet:: TLE2682IDW.pdf

Description:: IC OPAMP GP 2 CIRCUIT 16SOIC

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TLE2682IDW from Texas Instruments is a dual JFET-input operational amplifier with integrated switched-capacitor voltage inverter, enabling true rail-to-rail input operation and negative supply generation from a single 3.5–15 V source. It delivers ±30-mA min short-circuit output current per channel, 40-V/µs typical slew rate, and 10-MHz gain-bandwidth product-used in precision signal conditioning for industrial sensor interfaces and single-supply data acquisition systems.

For engineers reviewing the TLE2682IDW datasheet, TLE2682IDW pinout, TLE2682IDW application, or TLE2682IDW equivalent, key selection considerations include its dual-amplifier + on-chip charge-pump architecture, shutdown control via FB/SD pin, 2.5-V reference output at VREF, and −40°C to 85°C industrial temperature rating.

Technical Context

The TLE2682IDW integrates two independent high-speed JFET-input op-amps with a dedicated switched-capacitor block that generates a regulated negative supply (VCC−) up to 100 mA, configurable as an inverter using external CAP+ and CAP− capacitors. The oscillator runs at 15–35 kHz and supports external synchronization or frequency tuning via OSC pin.

Each amplifier features rail-to-rail common-mode input range extending beyond ground (e.g., −1 V to +5 V at ±5 V supplies), output swing to within 1.5 V of rails under 20-mA load, and shutdown capability that reduces switched-capacitor quiescent current to <150 µA while preserving amplifier bias.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	3.5 V to 15 V single supply - enables direct interface with 5 V or 12 V system rails without auxiliary supplies.
Gain-Bandwidth Product	10 MHz typical - supports stable closed-loop operation up to ~1 MHz with moderate gain, suitable for anti-aliasing and active filtering.
Slew Rate	40 V/µs typical - ensures <400 ns settling to 0.1% for 10-V step into 1-kΩ/100-pF load, critical for fast pulse conditioning.
Output Drive	±80 mA absolute max per amplifier - sustains >25 mA sink/source into low-impedance loads while maintaining rail-to-rail swing.
Input Offset Voltage	0.9 mV typical (25°C) - enables accurate DC-coupled amplification of mV-level sensor signals without trimming.
Reference Output	2.5 V ±0.25 V at VREF - provides stable, low-noise reference for ADCs, DACs, or regulator feedback networks.
Operating Temperature	−40°C to +85°C - qualified for industrial environments including motor control, PLC I/O, and factory automation.

Pinout & Package

The TLE2682IDW is housed in a 16-pin wide-body SOIC (DW) surface-mount package, 10.3 mm × 7.5 mm, with 1.27-mm pitch and exposed thermal pad not connected internally.

Pin/Terminal	Circuit Role	Design Meaning
1 OUT	Amplifier 1 output	Drives external load or feedback network; capable of ±80 mA, rail-to-rail swing.
1 IN−	Amplifier 1 inverting input	High-impedance JFET node (10¹² Ω); accepts signals down to VCC− − 0.8 V.
1 IN+	Amplifier 1 non-inverting input	Same high-Z input as IN−; enables true rail-to-rail common-mode range (to VCC−).
VCC−	Negative supply rail	Output of internal switched-capacitor inverter; supplies both amps and external circuitry up to 100 mA.
VOUT	Switched-capacitor output	Same net as VCC−; accessible externally for powering downstream analog stages.
VREF	2.5-V reference output	Stable, buffered reference usable for calibration, ADC reference, or regulator setpoint.
OSC	Oscillator control	Accepts external clock (sync) or capacitor (frequency tuning); nominal 25 kHz free-run.
VIN	Positive input to switched-capacitor block	Connects to main supply (VCC+); feeds charge pump; must be decoupled near pin.
VCC+	Positive supply rail	Main power for amplifiers and switched-capacitor logic; 3.5–15 V range.
2 OUT	Amplifier 2 output	Independent output with identical drive and swing specs as 1 OUT.
2 IN− / 2 IN+	Amplifier 2 inputs	Duplicate of Amp 1 inputs; fully isolated; no crosstalk (<120 dB attenuation).
CAP− / CAP+	Charge-pump capacitor terminals	Connect external 0.002-µF ceramic caps; define inverter efficiency and output regulation.
GND	Switched-capacitor ground	Reference for VIN, OSC, FB/SD, and VREF; separate from amplifier signal ground in layout.
FB/SD	Feedback/shutdown control	Pull low to disable switched-capacitor block; high-Z when active; threshold ≈ 1.25 V.

Key Features

Feature	Design Value
Rail-to-rail input range extending below ground	Enables single-supply amplification of bipolar signals (e.g., ±100 mV sensor outputs) without level-shifting.
Integrated 100-mA negative supply generator	Eliminates need for external DC/DC converter or split supply; reduces BOM count and board space.
Shutdown mode with <150 µA quiescent current	Permits power-gating of charge pump during idle periods while retaining amplifier bias stability.
2.5-V precision reference output	Provides traceable, low-drift reference for system calibration without external voltage reference IC.
120-dB crosstalk attenuation between amplifiers	Supports simultaneous high-fidelity amplification of two independent channels (e.g., differential pair + reference).

Applications

Industrial Sensor Signal Conditioning	Single-Supply Data Acquisition Front-End
Use Scenario: Amplifying low-level bridge sensor outputs (e.g., load cells, pressure transducers) in PLC analog input modules. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end with integrated negative rail generation for true bipolar signal handling. Use Value: Eliminates external dual supplies and level-shifters; achieves <1 mV offset error and <0.01% THD+N over full industrial temperature range.	Use Scenario: Driving SAR ADC inputs in portable test equipment powered from a single 5-V battery or USB supply. IC Role / Device Role / Timing Role: Buffer and level-shift stage providing rail-to-rail input capture and clean 2.5-V reference to ADC REF pin. Use Value: Enables full-scale ADC utilization without clipping; 40-V/µs slew rate prevents distortion on fast transient inputs.
Programmable Logic Controller (PLC) Analog Output	Isolated Current Loop Transmitter Interface
Use Scenario: Generating precise 0–10 V or ±10 V analog outputs in modular PLC backplanes with shared 24-V DC bus. IC Role / Device Role / Timing Role: Precision output driver with programmable gain and offset, powered by local 5-V rail and internally generated −5-V supply. Use Value: Delivers 16-bit linearity over temperature; ±80 mA drive supports heavy capacitive loads (e.g., long cables).	Use Scenario: Conditioning and buffering voltage signals before conversion to 4–20 mA loop current in field transmitter designs. IC Role / Device Role / Timing Role: Input-stage amplifier with rail-to-rail input and 2.5-V reference for DAC biasing and loop compliance monitoring. Use Value: Supports zero-point calibration against internal VREF; shutdown mode reduces standby power in battery-backed transmitters.

Industrial Sensor Signal Conditioning

Single-Supply Data Acquisition Front-End

Use Scenario: Amplifying low-level bridge sensor outputs (e.g., load cells, pressure transducers) in PLC analog input modules.

IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier front-end with integrated negative rail generation for true bipolar signal handling.

Use Value: Eliminates external dual supplies and level-shifters; achieves <1 mV offset error and <0.01% THD+N over full industrial temperature range.

Use Scenario: Driving SAR ADC inputs in portable test equipment powered from a single 5-V battery or USB supply.

IC Role / Device Role / Timing Role: Buffer and level-shift stage providing rail-to-rail input capture and clean 2.5-V reference to ADC REF pin.

Use Value: Enables full-scale ADC utilization without clipping; 40-V/µs slew rate prevents distortion on fast transient inputs.

Programmable Logic Controller (PLC) Analog Output

Isolated Current Loop Transmitter Interface

Use Scenario: Generating precise 0–10 V or ±10 V analog outputs in modular PLC backplanes with shared 24-V DC bus.

IC Role / Device Role / Timing Role: Precision output driver with programmable gain and offset, powered by local 5-V rail and internally generated −5-V supply.

Use Value: Delivers 16-bit linearity over temperature; ±80 mA drive supports heavy capacitive loads (e.g., long cables).

Use Scenario: Conditioning and buffering voltage signals before conversion to 4–20 mA loop current in field transmitter designs.

IC Role / Device Role / Timing Role: Input-stage amplifier with rail-to-rail input and 2.5-V reference for DAC biasing and loop compliance monitoring.

Use Value: Supports zero-point calibration against internal VREF; shutdown mode reduces standby power in battery-backed transmitters.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-op-amp-with-integrated-power-generation applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
LM7332MA/NOPB	Dual rail-to-rail I/O op-amp only; no integrated charge pump or reference; requires external ±5 V supplies.	Lacks VCC− generation and VREF; suitable only where split supplies already exist.	Choose when board already includes dual supplies and lower cost is prioritized over integration.
TPS60403DBVR	Standalone 60-mA inverting charge pump IC; no op-amps; 2.5-V reference not available.	Requires external op-amps and reference; adds 3+ components vs. single TLE2682IDW.	Choose when higher charge-pump efficiency or adjustable output voltage is required, and op-amp count is flexible.

Compared with LM7332MA/NOPB and TPS60403DBVR, the TLE2682IDW uniquely combines dual high-speed amplifiers, regulated negative supply generation, and a buffered 2.5-V reference in one 16-pin SOIC-reducing component count, layout complexity, and total solution size for space-constrained industrial analog front-ends.

Availability

TLE2682IDW is available at Aetrix Electronics and suitable for industrial sensor interfaces, PLC analog I/O modules, and single-supply data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLE2682IDW 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 heritage in precision op-amps and power management ICs.

The TLE2682IDW belongs to TI's legacy high-performance analog amplifier family, designed specifically for industrial signal conditioning where single-supply operation, rail-to-rail input, and integrated negative rail generation are essential.

FAQ

What is the function of the FB/SD pin on the TLE2682IDW?

The FB/SD pin on the TLE2682IDW serves a dual role: as a feedback input for regulating the switched-capacitor output voltage when used in regulator mode, and as a shutdown control-pulling it low disables the charge pump section while drawing <150 µA. In standard inverter configuration, it is left open or tied to GND to enable operation. The TLE2682IDW remains fully functional in amplifier mode even when FB/SD is asserted low.

Can the TLE2682IDW operate from a 3.3-V supply?

No, the TLE2682IDW has a minimum recommended supply voltage of 3.5 V per the datasheet's operating conditions table. At 3.3 V, the internal switched-capacitor oscillator may fail to start reliably, and amplifier output swing, slew rate, and common-mode range degrade significantly. For 3.3-V systems, consider alternative solutions such as discrete op-amps with external charge pumps or newer integrated alternatives rated down to 2.7 V.

How is the 2.5-V reference (VREF) on the TLE2682IDW specified?

The VREF pin on the TLE2682IDW delivers a buffered 2.5-V reference with ±0.25 V tolerance over temperature (−40°C to 85°C) and load (up to 60 µA). It is internally derived from the bandgap and is stable against supply variations (kSVR > 80 dB). The TLE2682IDW datasheet confirms VREF accuracy under both 5-V and 7-V input conditions, making it suitable for ADC reference, DAC biasing, or precision comparator thresholds.

What external components are required for basic TLE2682IDW operation?

For minimal functional operation, the TLE2682IDW requires: (1) two 0.002-µF ceramic capacitors on CAP+ and CAP− for charge-pump operation; (2) 0.1-µF bypass capacitors on VCC+ and VIN; and (3) optional 10-µF tantalum on CIN and 100-µF on COUT if using regulated VOUT mode. No external resistors are needed for default inverter configuration-the TLE2682IDW functions autonomously once powered and decoupled.

Does the TLE2682IDW support synchronization of its internal oscillator?

Yes, the TLE2682IDW's internal 25-kHz oscillator can be synchronized to an external clock applied to the OSC pin. When driven with a square wave matching the oscillator's natural frequency range (15–35 kHz), the internal oscillator locks to the external signal-reducing switching noise coupling and enabling deterministic timing in multi-device systems. This feature is documented in the "SWITCHED-CAPACITOR SECTION" electrical characteristics table and Figure 61 (oscillator frequency vs. temperature).

TLE2682IDW Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 16-SOIC (0.295", 7.50mm Width)

Packaging:: Bulk

Product Status:: Active

Amplifier Type:: General Purpose

Number of Circuits:: 2

Output Type:: -

Slew Rate:: 45V/µs

Gain Bandwidth Product:: 10 MHz

-3db Bandwidth:: -

Current - Input Bias:: 20 pA

Voltage - Input Offset:: 1.1 mV

Current - Supply:: 3.1mA (x2 Channels)

Current - Output / Channel:: 48 mA

Voltage - Supply Span (Min):: 3.5 V

Voltage - Supply Span (Max):: 15 V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SOIC

TLE2682IDW FAQ

1.How can I place an order for TLE2682IDW through Aetrix?

Please submit a Request for Quotation (RFQ) for TLE2682IDW 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 TLE2682IDW reliable?

The price and inventory of TLE2682IDW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLE2682IDW is usually 5 days.

3.What payment methods are accepted for TLE2682IDW?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLE2682IDW transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TLE2682IDW?

TLE2682IDW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TLE2682IDW 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 TLE2682IDW?

For technical support, including TLE2682IDW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLE2682IDW requirements.

6.How does Aetrix verify that TLE2682IDW is sourced from the original manufacturer or authorized distributors?

All TLE2682IDW 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 TLE2682IDW meets industry standards.

7.What is the process for return or replacement of TLE2682IDW?

All TLE2682IDW units undergo pre-shipment inspection (PSI). If there is an issue with TLE2682IDW, 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 TLE2682IDW part is unused and in its original packaging.

Return procedure for TLE2682IDW:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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