Texas Instruments TLV2434IPW

Overview

TLV2434IPW from Texas Instruments is a quad rail-to-rail output operational amplifier optimized for low-voltage, low-power applications. It delivers 18 nV/√Hz input voltage noise at 1 kHz, 950 µV max input offset voltage (A-grade), and 125 µA per channel supply current at 5 V, enabling precision signal conditioning in battery-powered sensor interfaces and ADC front-ends.

For engineers reviewing the TLV2434IPW datasheet, TLV2434IPW pinout, TLV2434IPW application, or TLV2434IPW equivalent, key selection criteria include rail-to-rail output swing (0 V to VDD–0.8 V), extended common-mode input range (0 V to 4.5 V at 5 V supply), no phase inversion, 600 Ω output drive capability, and guaranteed operation from –40°C to +125°C.

Technical Context

The TLV2434IPW implements a CMOS-input, Class AB output stage with internal biasing that enables true rail-to-rail output voltage swing while maintaining stability into 600 Ω loads. Its input stage avoids phase inversion when driven to either supply rail, eliminating need for external clamping in wide-dynamic-range sensing circuits.

It operates across 2.7 V to 10 V supply range with specified performance at both 3 V and 5 V, supporting single-supply systems interfacing with 12-bit and 16-bit SAR ADCs. The device features 1000 GΩ differential and common-mode input resistance, making it suitable for high-impedance transducer amplification without signal degradation.

Key Specifications

Pinout & Package

Packaged in a 14-pin TSSOP (PW), the TLV2434IPW provides four independent op-amp channels in a compact 5 mm × 4.4 mm footprint with 0.65 mm pitch, optimized for space-constrained industrial and automotive PCB layouts.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV2434AIPW, the TLV2434IPW trades 1050 µV higher VIO tolerance for lower unit cost in volume production; compared with MCP6004-E/ST, it delivers 8× lower quiescent current and superior rail-to-rail output drive at the expense of bandwidth - making it optimal for precision, low-power DC signal chains.

Availability

TLV2434IPW is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical monitoring devices, and automotive cabin sensing systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TLV2434IPW 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and personal electronics markets.

The TLV243x family was designed specifically for low-voltage, micropower precision analog signal conditioning - targeting battery-operated sensors, portable instrumentation, and space-constrained industrial control systems where rail-to-rail output and wide input range are critical.

FAQ

What is the maximum operating temperature range for TLV2434IPW?

The TLV2434IPW is rated for operation from –40°C to +125°C, meeting industrial and extended-temperature automotive requirements. This specification is validated per the I-suffix rating in the official Texas Instruments datasheet SLOS168G, and applies across the full supply voltage range of 2.7 V to 10 V. The TLV2434IPW maintains all key parameters-including input offset voltage, supply current, and output drive-within published limits across this range.

Does TLV2434IPW support true rail-to-rail input operation?

No, the TLV2434IPW does not support rail-to-rail input operation. Its common-mode input voltage range is specified as 0 V to 4.5 V minimum at 5 V supply (–0.25 V to 4.75 V typical), meaning it accepts inputs down to ground but not below V– or above V+–1.3 V. However, the TLV2434IPW does provide rail-to-rail output swing and avoids phase inversion when inputs approach the rails - a key distinction confirmed in Section 2 of the TLV2434IPW datasheet.

Can TLV2434IPW drive a 10 kΩ load with rail-to-rail output swing?

Yes, the TLV2434IPW can drive a 10 kΩ load with full rail-to-rail output swing (0 V to VDD–0.8 V). Its output stage is characterized for 600 Ω drive capability, so loading with 10 kΩ imposes negligible voltage droop. At 5 V supply, VOH = 4.97 V (min) and VOL = 0.01 V (max) into 100 µA, confirming near-ideal swing into high-impedance loads like ADC inputs or comparator references - a behavior explicitly verified in Table 4.8 of the TLV2434IPW datasheet.

What is the typical input bias current of TLV2434IPW and why does it matter?

The typical input bias current of TLV2434IPW is 1 pA at 25°C, with a maximum of 60 pA across temperature. This ultra-low value minimizes voltage error across high-impedance sensor elements such as pH electrodes, piezoelectric transducers, or photodiodes, where even nanoampere-level currents cause significant offset. For example, with a 10 MΩ source impedance, 1 pA generates only 10 µV error - well below the 950 µV VIO limit - preserving measurement accuracy without requiring guard traces or active guarding circuitry.

Is TLV2434IPW pin-compatible with other quad op-amps in TSSOP-14 packages?

The TLV2434IPW uses a standard TSSOP-14 pinout for quad op-amps: pins 1/5/9/13 = –IN, 2/6/10/14 = +IN, 3/7/11/12 = OUT, 4 = V–, 8 = V+. While this matches industry-standard assignments, pin compatibility with other manufacturers' devices (e.g., MCP6004, LM324) is not guaranteed due to differing internal channel ordering or power pin placement. Always verify pin mapping against the specific alternative's datasheet before substitution - the TLV2434IPW pinout is defined in Figure 3-3 of its official datasheet.