Texas Instruments TL061BCPG4

Overview

TL061BCPG4 from Texas Instruments is a single-channel, JFET-input operational amplifier optimized for low-power, high-input-impedance analog signal conditioning in cost-sensitive industrial and consumer systems. It delivers 200 µA typical supply current, 3.5 V/µs slew rate, ±11 V common-mode input range (including V_CC+), and 1 MHz unity-gain bandwidth - enabling precision DC-coupled amplification and filtering in battery-powered or thermally constrained designs such as sensor front-ends and audio preamps.

For engineers reviewing the TL061BCPG4 datasheet, TL061BCPG4 pinout, TL061BCPG4 application, or TL061BCPG4 equivalent, key selection criteria include its JFET-input architecture for picoampere-level bias current, rail-to-rail-compatible input stage, output short-circuit protection, and SOIC-8 packaging suitable for space-constrained PCB layouts requiring stable DC performance across 0°C to 70°C ambient.

Technical Context

The TL061BCPG4 implements a fully differential JFET-input stage followed by a high-gain, internally compensated voltage amplifier and Class-AB output stage. Its design enables operation with dual supplies from ±5 V to ±15 V while maintaining low input offset voltage (2–3 mV max at 25°C) and ultra-low input bias current (≤200 pA at 25°C).

It features integrated EMI/RF filters, latch-up-free process technology, and thermal shutdown protection. The device supports stable unity-gain operation without external compensation and exhibits 80 dB minimum CMRR and PSRR over temperature, making it suitable for noisy industrial environments where signal integrity must be preserved despite supply ripple or common-mode interference.

Key Specifications

Pinout & Package

TL061BCPG4 is supplied in an 8-pin SOIC (Small Outline Integrated Circuit) package measuring 4.90 mm × 6.00 mm, with standard 1.27 mm pitch and gull-wing leads compatible with reflow soldering processes.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TL071CP and OPA140AIDBVR, TL061BCPG4 uniquely balances ultra-low power consumption (200 µA), JFET-input performance (≤200 pA bias), and industry-standard SOIC-8 compatibility - making it the optimal choice for cost-sensitive, thermally constrained, or battery-operated systems requiring proven reliability and long-term supply continuity.

Availability

TL061BCPG4 is available at Aetrix Electronics and suitable for industrial sensor interfaces, white goods motor control, computer peripheral sensing, and audio signal conditioning requiring stable component supply across extended production lifecycles.

Supply support for TL061BCPG4 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 experience delivering high-reliability, production-ready ICs for industrial, automotive, and consumer markets.

The TL06x family was engineered as a low-power alternative to the TL07x/TL08x op-amp series, targeting cost-sensitive applications demanding JFET-input performance, robust ESD immunity (1.5 kV CDM), and wide temperature operation without sacrificing DC accuracy or stability.

FAQ

What is the maximum operating temperature range for TL061BCPG4?

The TL061BCPG4 is rated for operation from 0°C to +70°C ambient temperature, consistent with its 'C' grade industrial specification. This range supports deployment in commercial and light-industrial environments including office equipment, consumer audio, and appliance control boards where thermal management is moderate and ambient conditions remain within standard room-temperature bounds.

Does TL061BCPG4 require external compensation capacitors?

No, TL061BCPG4 incorporates internal frequency compensation and is stable in unity-gain configurations without external components. This eliminates the need for external compensation networks, simplifying design, reducing bill-of-materials cost, and improving layout reliability - especially important in high-volume consumer electronics where manufacturing consistency is critical.

Can TL061BCPG4 drive capacitive loads directly?

TL061BCPG4 is not optimized for direct driving of large capacitive loads (>100 pF); stability may degrade with increasing capacitance. For applications requiring capacitive load driving (e.g., cable transmission or ADC input buffering), a series isolation resistor (typically 100 Ω to 500 Ω) between TL061BCPG4 output and the load is recommended to maintain phase margin and prevent oscillation.

What is the input offset voltage specification for TL061BCPG4?

TL061BCPG4 has a maximum input offset voltage of 3 mV at 25°C and 5 mV over its full 0°C to +70°C operating range. This 'B' grade performance represents tighter initial offset tolerance than standard 'C' grade variants, supporting higher-accuracy DC signal conditioning in applications such as precision sensor amplifiers and calibrated measurement equipment.

Is TL061BCPG4 pin-compatible with other TL06x variants?

Yes, TL061BCPG4 shares identical pinout and footprint with all TL061x variants (including TL061CP, TL061ACP, TL061MJP) in SOIC-8 packaging. This allows direct substitution within the same package type, provided operating temperature, offset voltage, and supply current requirements align with the target application's specifications.