Texas Instruments TLV2475AIDR

Overview

TLV2475AIDR from Texas Instruments is a quad-channel, rail-to-rail input/output CMOS operational amplifier with shutdown functionality, delivering 2.8MHz gain-bandwidth, 600μA/channel supply current, ±35mA output drive at 500mV from rails, and 250μV typical input offset voltage. It operates from 2.7V to 6V and is optimized for low-voltage sensor signal conditioning in portable medical devices and battery-powered data acquisition systems.

For engineers reviewing the TLV2475AIDR datasheet, TLV2475AIDR pinout, TLV2475AIDR application, or TLV2475AIDR equivalent, key selection criteria include its ultra-low power shutdown mode (1000nA/ch at 5V), rail-to-rail swing capability, high output current into heavy loads, and TSSOP-16 packaging suitable for space-constrained industrial and portable designs.

Technical Context

The TLV2475AIDR implements a CMOS input stage enabling 2.5pA input bias current and rail-to-rail common-mode input range (0V to VDD). Its output stage supports true rail-to-rail swing under load-reaching within 180mV of each rail at ±10mA-and delivers ±35mA when driven 500mV from supply rails.

Shutdown control is implemented via dedicated SHDN pins per amplifier pair (pins 3/4SHDN and 1/2SHDN), placing outputs in high-impedance state and reducing quiescent current to 1000nA per channel at 5V. The device is fully specified across –40°C to +125°C and supports stable operation with capacitive loads ≥10pF when using series nulling resistors (≥20Ω).

Key Specifications

Pinout & Package

TSSOP-16 package with 0.65mm pitch, thermally enhanced for continuous 4-channel operation at ambient temperatures up to +125°C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TLV2475AIDR, TLV2475IDR trades guaranteed low offset for lower cost while retaining identical packaging and shutdown behavior, whereas OPA2333PWR offers superior DC accuracy and noise performance at the expense of 17× higher active current and no power-gating capability.

Availability

TLV2475AIDR is available at Aetrix Electronics and suitable for portable medical devices, industrial sensor nodes, and automotive cabin electronics requiring stable component supply with guaranteed long-term manufacturability.

Supply support for TLV2475AIDR 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 low-power signal chain solutions.

The TLV247x family was designed specifically for battery-operated, rail-to-rail signal conditioning in space- and power-constrained applications - balancing bandwidth, drive strength, and micropower operation without sacrificing AC performance.

FAQ

What is the maximum capacitive load the TLV2475AIDR can drive without oscillation?

The TLV2475AIDR remains stable with capacitive loads up to 10pF when directly connected. For loads exceeding 10pF, Texas Instruments recommends adding a series nulling resistor (≥20Ω) between the output and load capacitance, as documented in Figure 42 of the SLOS232E datasheet. This configuration maintains >60° phase margin across the operating temperature range and prevents ringing in sensor interface or ADC driver applications using the TLV2475AIDR.

Does the TLV2475AIDR support true rail-to-rail output swing under load?

Yes, the TLV2475AIDR delivers rail-to-rail output swing under defined load conditions: it swings to within 180mV of each supply rail while sourcing or sinking ±10mA, and achieves ±35mA output current when driven 500mV from the rails. These values are measured at 5V supply and +25°C, and remain functional across the full –40°C to +125°C temperature range, making the TLV2475AIDR suitable for single-supply 3V/5V systems where headroom is critical.

How does the shutdown function operate on the TLV2475AIDR?

The TLV2475AIDR features two independent shutdown pins: pin 3 (1/2SHDN) controls amplifiers 1 and 2, and pin 4 (3/4SHDN) controls amplifiers 3 and 4. Driving either pin low places the corresponding amplifier outputs in high-impedance state and reduces supply current to 1000nA per channel at 5V. Both pins must be high for full operation. Logic thresholds are VIH = 2V and VIL = 0.8V relative to GND, ensuring compatibility with standard 3.3V and 5V digital controllers interfacing with the TLV2475AIDR.

What is the input offset voltage specification for the TLV2475AIDR across temperature?

The TLV2475AIDR has a maximum input offset voltage of 2000μV over the full –40°C to +125°C operating range, with a typical value of 250μV at +25°C. Its temperature coefficient is 0.4μV/°C, meaning offset drift contributes less than 60μV over a 150°C span. This A-grade specification distinguishes it from the standard TLV2475IDR (2400μV max), making the TLV2475AIDR appropriate for precision DC-coupled applications where consistent offset behavior matters across thermal environments.

Can the TLV2475AIDR be used in single-supply 3.3V systems with AC-coupled inputs?

Yes, the TLV2475AIDR supports single-supply 3.3V operation with AC-coupled inputs. Its rail-to-rail input stage accepts common-mode voltages from 0V to 3.3V, and its output swings from near 0V to near 3.3V under load. When AC-coupling, ensure the input bias network establishes a stable DC common-mode voltage (e.g., VDD/2 via resistive divider) within the input range, and verify that the output swing meets downstream stage requirements. All electrical characteristics in the TLV2475AIDR datasheet are validated at 3V and 5V supplies.