Texas Instruments TSV914AIPWT

Overview

TSV914AIPWT from Texas Instruments is a quad-channel rail-to-rail input/output operational amplifier optimized for low-power, precision signal conditioning in single-supply systems. It delivers 8 MHz gain bandwidth, 550 µA quiescent current per channel, ±1 pA input bias current, and operates from 2.5 V to 5.5 V - enabling use in battery-powered sensor interfaces and motor control feedback loops.

For engineers reviewing the TSV914AIPWT datasheet, TSV914AIPWT pinout, TSV914AIPWT application, or TSV914AIPWT equivalent, key selection criteria include its rail-to-rail I/O swing, 1.5 mV max input offset voltage, –40°C to 125°C extended temperature range, and compatibility with high-impedance sources in medical instrumentation and HVAC control circuits.

Technical Context

The TSV914AIPWT employs a complementary differential input stage (N- and P-channel pairs) enabling true rail-to-rail common-mode input range - extending 100 mV beyond both supply rails across 2.5 V–5.5 V operation. Its unity-gain stable architecture supports direct ADC driving without external compensation.

It features integrated RFI-EMI rejection filtering, no phase reversal under overdrive, and ±4-kV HBM ESD protection. The device maintains 80 dB CMRR and 100 dB open-loop gain at 25°C with 10 kΩ load, supporting precision closed-loop configurations in noisy industrial environments.

Key Specifications

Pinout & Package

TSV914AIPWT is packaged in a 14-pin TSSOP (PW) with body dimensions 4.40 mm × 5.00 mm and exposed thermal pad on underside. Pin 1 is OUT A; pins 2–3, 5–6, 9–10, and 12–13 are inverting/non-inverting inputs for channels A–D; pins 4 and 11 are V+ and V−; pins 7–8 and 14 are OUT B, OUT C, and OUT D.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar operational amplifier applications.

Compared with MCP6004-E/ST and LMV324IDR, the TSV914AIPWT provides 8× higher bandwidth, 3× lower input offset, and integrated EMI filtering - making it superior for precision, high-speed, and noise-sensitive applications despite slightly higher unit cost.

Availability

TSV914AIPWT is available at Aetrix Electronics and suitable for motor control feedback, sensor signal conditioning, medical instrumentation, and automotive infotainment requiring stable component supply and long-term production continuity.

Supply support for TSV914AIPWT 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 industrial-grade signal chain solutions.

The TSV91x product line was designed specifically for general-purpose, low-power, rail-to-rail op-amp applications demanding balanced speed, precision, and supply flexibility across consumer, industrial, and automotive markets.

FAQ

What is the maximum capacitive load the TSV914AIPWT can drive without instability?

The TSV914AIPWT remains stable with up to 300 pF capacitive load, as verified by overshoot vs. load capacitance curves in the datasheet (Figure C025). For loads exceeding 100 pF, adding a 10–50 Ω series resistor between output and load improves phase margin and reduces ringing - especially critical in ADC driver or cable-driving applications where TSV914AIPWT's 8 MHz GBW must remain uncorrupted.

Does the TSV914AIPWT support single-supply operation down to 2.5 V?

Yes, the TSV914AIPWT is fully specified for single-supply operation from 2.5 V to 5.5 V. Its rail-to-rail input extends 100 mV beyond both rails, and output swings within 15 mV of each rail at 5.5 V with 10 kΩ load - enabling accurate signal processing in ultra-low-voltage systems like energy-harvesting nodes where TSV914AIPWT operates reliably even at 2.5 V supply.

How does the TSV914AIPWT handle overdrive conditions without phase reversal?

The TSV914AIPWT uses internal clamping and topology design that prevents output polarity inversion when inputs exceed the supply rails - a documented feature confirmed in Section 8.4 of the datasheet. This behavior ensures safe operation in motor current-sense fault detection or sensor saturation scenarios, where TSV914AIPWT continues delivering predictable output polarity instead of latching or oscillating.

Is the exposed thermal pad on the TSV914AIPWT package required to be connected?

Yes, the exposed thermal pad on the TSV914AIPWT (TSSOP-14 PW package) must be soldered to a PCB copper pour tied to V− for optimal thermal dissipation and EMI suppression. TI's datasheet specifies this connection in "Packages with an Exposed Thermal Pad" - failure to connect it degrades junction-to-board thermal resistance by >40%, risking thermal shutdown during sustained 4-channel operation and increasing susceptibility to RF interference.

Can the TSV914AIPWT replace the LM324 in existing designs?

The TSV914AIPWT is not a drop-in replacement for the LM324 due to differences in input stage architecture, offset voltage (1.5 mV max vs. 7 mV max), and supply range (2.5–5.5 V vs. 3–32 V). However, in 5 V single-supply designs where LM324 performance limits accuracy or bandwidth, TSV914AIPWT offers measurable gains - but requires validation of bias networks, feedback gain, and layout grounding since TSV914AIPWT's rail-to-rail I/O and 1 pA bias current alter operating point behavior.