Texas Instruments TLV2782ID

Overview

TLV2782ID from Texas Instruments is a dual rail-to-rail input/output operational amplifier optimized for low-voltage, low-power applications. It operates from 1.8 V to 3.6 V, delivers 8 MHz gain-bandwidth, 4.8 V/µs slew rate at 2.7 V, and consumes only 650 µA per channel - enabling high-speed signal conditioning in battery-powered industrial sensors and portable data acquisition systems.

For engineers reviewing the TLV2782ID datasheet, TLV2782ID pinout, TLV2782ID application, or TLV2782ID equivalent, key selection criteria include its −40°C to 125°C industrial temperature rating, shutdown capability (900 nA/channel), rail-to-rail output swing down to 180 mV from rails at 1.8 V, and compatibility with capacitive loads up to 25 pF without external compensation.

Technical Context

The TLV2782ID implements a CMOS input stage with 2.5 pA typical input bias current and 250 µV max input offset voltage (25°C), supporting precision DC-coupled amplification. Its internal architecture enables rail-to-rail common-mode input range (−0.2 V to VDD+0.2 V) and full rail-to-rail output swing under 2 kΩ load.

Dynamic performance is stabilized via internal compensation delivering 58° phase margin at 2 kΩ/25 pF load. The device includes an active-low shutdown pin (SHDN) that places outputs in high-impedance state and reduces supply current to ≤1.7 µA total (dual channel) while maintaining fast turn-on (800 ns) and turn-off (200 ns) times.

Key Specifications

Pinout & Package

TLV2782ID is housed in an 8-pin MSOP (DGK) package with 0.65 mm pitch, 3.0 mm × 3.0 mm footprint, and exposed thermal pad for enhanced power dissipation in compact industrial modules.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual rail-to-rail op-amp applications.

Compared with TLV2782CD and OPA2333AIDR, the TLV2782ID uniquely balances industrial temperature operation, rail-to-rail I/O, sub-µA shutdown, and 8 MHz bandwidth - making it optimal for space-constrained, battery-aware industrial sensing where both precision and power efficiency are required.

Availability

TLV2782ID is available at Aetrix Electronics and suitable for portable data loggers, industrial sensor signal conditioning, medical wearable biosensors, and automotive cabin air quality monitors requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLV2782ID 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 designing analog ICs, embedded processors, and digital signal solutions for industrial, automotive, and communications markets.

The TLV278x family was engineered for ultra-low-voltage, low-power precision amplification in battery-operated and energy-sensitive systems - emphasizing rail-to-rail operation, wide temperature specification, and integrated power management.

FAQ

What is the maximum recommended supply voltage for TLV2782ID?

The absolute maximum supply voltage for TLV2782ID is 4 V, but the recommended operating range is strictly 1.8 V to 3.6 V per the datasheet. Exceeding 3.6 V risks parametric degradation or permanent damage, especially given its CMOS process. Operation at 3.6 V enables full rail-to-rail output swing while maintaining 650 µA/channel supply current and 8 MHz bandwidth.

Does TLV2782ID support true rail-to-rail input common-mode range?

Yes, TLV2782ID supports a common-mode input voltage range from −0.2 V to VDD+0.2 V, exceeding the supply rails. This allows direct interfacing with signals below ground (e.g., AC-coupled sensor outputs) or above VDD (e.g., DAC references), provided input current remains within ±10 mA limits. The extended VICR is enabled by proprietary CMOS input stage design.

How does the shutdown function operate on TLV2782ID?

The TLV2782ID does not include a shutdown pin - only TLV2780, TLV2783, and TLV2785 variants in the family feature SHDN. TLV2782ID is a dual-channel op-amp without power management pins. For shutdown capability in dual-channel configurations, TLV2783ID (dual with SHDN) or TLV2785ID (quad with SHDN) must be selected instead.

What is the typical input bias current of TLV2782ID and why does it matter?

The typical input bias current of TLV2782ID is 2.5 pA at 25°C, with a maximum of 300 pA over −40°C to 125°C. This ultra-low value minimizes voltage drop across high-impedance sources such as pH electrodes, photodiodes, or 100 kΩ+ sensor bridges - preventing measurement errors and drift. It also reduces Johnson noise contribution in transimpedance amplifier designs.

Can TLV2782ID drive a 10 kΩ load while maintaining rail-to-rail output swing?

Yes, TLV2782ID guarantees rail-to-rail output swing into 10 kΩ loads across its full temperature and supply range. At VDD = 1.8 V and TA = 25°C, VOH ≥ 1.77 V and VOL ≤ 180 mV - achieving >90% of full-scale swing. Even at worst-case conditions (VDD = 1.8 V, TA = 125°C), VOH ≥ 1.63 V and VOL ≤ 290 mV, preserving usable dynamic range for 12-bit systems.