Texas Instruments TLV4316IPWR

Overview

TLV4316IPWR from Texas Instruments is a quad-channel, rail-to-rail input/output CMOS operational amplifier optimized for low-voltage, low-power precision signal conditioning. It delivers 10 MHz unity-gain bandwidth, 400 µA per channel quiescent current, and 12 nV/√Hz input voltage noise at 1 kHz - enabling high-fidelity sensor interfacing in battery-powered medical monitors and portable instrumentation.

For engineers reviewing the TLV4316IPWR datasheet, TLV4316IPWR pinout, TLV4316IPWR application, or TLV4316IPWR equivalent, this page provides verified package mapping (TSSOP-14), confirmed quad-channel pin functions, real-world stability behavior with capacitive loads, EMI rejection performance up to 80 MHz, and validated alternatives for dual- and single-supply designs requiring rail-to-rail swing and sub-1 mV offset.

Technical Context

The TLV4316IPWR uses a complementary differential input stage (N- and P-channel pairs) enabling rail-to-rail common-mode input range extending 200 mV beyond supply rails - critical for single-supply ADC driver stages operating down to 1.8 V. Its class AB output stage achieves ≤35 mV output swing to rails under 10 kΩ load, supporting full dynamic range in low-voltage data acquisition systems.

It integrates an internal RFI/EMI filter with –3 dB cutoff at ~80 MHz and exhibits no phase reversal during overdrive. The device maintains stable 400 µA/ch quiescent current across –40°C to +125°C and 1.8 V–5.5 V supply range, with 60° phase margin and 6 V/µs slew rate ensuring robust small-signal step response (1 µs to 0.1%) and 300 ns overload recovery.

Key Specifications

Pinout & Package

TSSOP-14 (PW) package: 4.40 mm × 5.00 mm body, 0.65 mm pitch, exposed pad optional; rated for –40°C to +125°C operation with 117.2°C/W junction-to-ambient thermal resistance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad op-amp applications.

Compared with TLV4316IDR, TLV4316IPWR offers superior thermal management in compact layouts; compared with OPA4316IPWR, it trades 35% lower IQ for 94% higher input noise - making it optimal for cost-sensitive, long-life portable instrumentation where 0.015% accuracy suffices.

Availability

TLV4316IPWR is available at Aetrix Electronics and suitable for portable medical sensors, industrial 4–20 mA receivers, and barcode scanner signal chains requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for TLV4316IPWR 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 over 50 years of op-amp design heritage and ISO 9001-certified manufacturing.

The TLVx316 product line targets low-voltage, low-power precision analog signal conditioning - specifically engineered for battery-operated instrumentation, sensor interfaces, and space-constrained industrial controls demanding rail-to-rail performance below 2 V.

FAQ

What is the maximum capacitive load the TLV4316IPWR can drive stably in unity-gain configuration?

The TLV4316IPWR remains stable driving up to 100 pF in unity-gain buffer configuration, as verified by 0.1% overshoot in typical characteristics (Figure 7). For loads >100 pF, adding a 10–20 Ω series resistor at the output reduces ringing while introducing minimal gain error - a technique documented in Figure 14 of the TLV4316IPWR datasheet. This behavior is consistent across all four channels of the TLV4316IPWR.

Does the TLV4316IPWR support true single-supply operation from 1.8 V?

Yes, the TLV4316IPWR is fully specified from 1.8 V to 5.5 V supply range, with rail-to-rail input extending 200 mV beyond both rails and output swing within 35 mV of each rail under 10 kΩ load. Its input common-mode range includes ground, and its output can swing to V– (typically GND) - enabling direct interface with 1.8 V ADCs and microcontrollers without level-shifting. All key parameters, including 400 µA/ch IQ and 10 MHz bandwidth, are guaranteed at 1.8 V for the TLV4316IPWR.

How does the internal EMI filter in the TLV4316IPWR improve system robustness?

The TLV4316IPWR integrates a monolithic low-pass filter with ~80 MHz –3 dB cutoff on both input pins, providing simultaneous common-mode and differential-mode rejection of RF interference from sources like GSM, Wi-Fi, and switch-mode power supplies. Measured EMIRR exceeds 60 dB up to 1 GHz, preventing rectified offsets that cause baseline drift in sensitive sensor circuits. This filter is intrinsic to the TLV4316IPWR silicon and requires no external components.

What is the overload recovery time specification for the TLV4316IPWR?

The TLV4316IPWR recovers from output saturation to linear operation in 0.8 µs (typical), as specified in the Electrical Characteristics table under "Overload recovery time". This parameter is measured with VIN × gain = VS and applies identically to all four amplifier sections. Fast recovery ensures accurate pulse capture in barcode scanners and prevents distortion in burst-mode sensor readouts - a key differentiator versus older op-amps with >5 µs recovery.

Can the TLV4316IPWR replace the TLV2316 in dual-channel designs without layout changes?

No - the TLV4316IPWR is a quad-channel TSSOP-14 device, while the TLV2316 is a dual-channel VSSOP-8 or SOIC-8 part. Pin count, footprint, and channel count differ fundamentally. However, two TLV2316 channels can be functionally replaced by two of the four TLV4316IPWR channels in new designs, leveraging identical electrical specs (10 MHz GBW, 400 µA/ch, rail-to-rail I/O). Migration requires PCB redesign but enables higher integration density.