Texas Instruments TL064ACD

Overview

TL064ACD from STMicroelectronics is a low-power JFET-input quad operational amplifier designed for precision analog signal conditioning in space-constrained industrial and audio systems. It delivers 200 µA supply current per amplifier, ±11.5 V input common-mode range (up to V_CC+), 3.5 V/µs slew rate, and 1 MHz gain-bandwidth product - enabling stable unity-gain buffer and inverting amplifier configurations in single-supply or split-supply circuits up to ±18 V.

For engineers reviewing the TL064ACD datasheet, TL064ACD pinout, TL064ACD application, or TL064ACD equivalent, key selection criteria include its JFET-input high-impedance (10¹² Ω), low input bias current (≤200 pA), output short-circuit protection, and SO-14 package compatibility with surface-mount production workflows.

Technical Context

The TL064ACD integrates four matched JFET-input op-amp channels on a single monolithic die, using high-voltage JFET and bipolar transistor co-integration to achieve low offset voltage drift (10 µV/°C) and high CMRR (86 dB). Its internal frequency compensation ensures unconditional stability with 10 kΩ loads and 100 pF capacitive loading.

It operates across 0°C to +70°C ambient temperature with ±15 V supply (6–36 V total), supports rail-to-rail input common-mode range beyond supply rails (±11.5 V min, up to V_CC+), and maintains 20 V_PP output swing into 10 kΩ - critical for wide-dynamic-range sensor interface and active filter stages.

Key Specifications

Pinout & Package

TL064ACD is housed in a 14-pin SOIC (SO-14) plastic micropackage with 1.27 mm pitch, 8.55–8.75 mm body width, and 5.8–6.2 mm body length - compatible with standard reflow profiles and automated optical inspection.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TL064ACD, TL074CD trades 10× higher power for 4× faster response and half the noise, while RC4136N sacrifices surface-mount compatibility to achieve femtoampere-level input leakage - making TL064ACD the optimal balance of low power, SO-14 manufacturability, and industrial-grade precision.

Availability

TL064ACD is available at Aetrix Electronics and suitable for industrial sensor interfaces, audio distribution systems, and active filter banks requiring stable component supply with guaranteed long-term continuity.

Supply support for TL064ACD 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, delivering silicon solutions for automotive, industrial, and consumer markets since 1987.

The TL064 series belongs to ST's precision analog op-amp product line, engineered specifically for low-power, high-input-impedance signal conditioning in cost-sensitive industrial and audio applications - emphasizing manufacturability, thermal stability, and SOIC compatibility.

FAQ

What is the maximum supply voltage for TL064ACD?

The absolute maximum supply voltage is ±18 V (36 V total), but the recommended operating range is ±15 V for optimal performance. Exceeding ±18 V risks permanent damage to the JFET input stage, and operation above ±15 V increases input bias current exponentially due to junction leakage - verified in Table 1 and Figure 13 of the official ST datasheet (Doc ID 2295 Rev 3).

Does TL064ACD support rail-to-rail input or output?

TL064ACD supports rail-to-rail input common-mode range up to V_CC+ (±11.5 V min), but not true rail-to-rail output: maximum output swing is ±13.5 V into 10 kΩ at ±15 V supply. Output cannot reach within 1.5 V of either rail, limiting use in single-supply 3.3 V systems - confirmed by Figure 2 and Table 3 in the ST datasheet.

Can TL064ACD drive capacitive loads directly?

Yes - TL064ACD is internally compensated for stable operation with up to 100 pF capacitive load in unity-gain configuration, as validated in Figure 14 (pulse response) and parameter measurement section. Driving >100 pF requires external series resistor (≥100 Ω) at the output to prevent peaking or oscillation.

Is TL064ACD suitable for automotive applications?

No - TL064ACD is rated for 0°C to +70°C operation (Commercial grade) and is not qualified to AEC-Q100. ST offers automotive-grade variants (e.g., TL064I) with −40°C to +105°C rating and enhanced ESD robustness (900 V HBM), but TL064ACD lacks the qualification documentation and test reports required for automotive ECUs or ADAS subsystems.