Analog Devices Inc./Maxim Integrated MXL1001ACN8

Overview

MXL1001ACN8 from Maxim Integrated is a precision operational amplifier with 15µV max input offset voltage, 0.6µV/°C max drift, and 114dB min CMRR, designed for high-accuracy analog signal conditioning in thermocouple and strain gauge amplifiers. It operates from ±3V to ±18V, delivers ±13.5V output swing into 2kΩ, and consumes only 75mW max at ±15V.

For engineers reviewing the MXL1001ACN8 datasheet, MXL1001ACN8 pinout, MXL1001ACN8 application, or MXL1001ACN8 equivalent, key selection criteria include guaranteed military-grade offset stability, low warm-up drift due to reduced power dissipation, and pin compatibility with LT1001, OP-07, and OP-05 for legacy design upgrades.

Technical Context

The MXL1001ACN8 implements a zener-zap trimmed bipolar input stage optimized for ultra-low offset and drift, with internal compensation enabling stable unity-gain operation. Its architecture guarantees 114dB CMRR and 110dB PSRR over 0°C to +70°C, supporting high common-mode rejection in noisy industrial sensor interfaces.

It features dual VOS TRIM pins (pins 1 and 8) enabling external nulling without degrading temperature drift performance - adjustment range ±2.5mV using a 10kΩ or 20kΩ potentiometer. The device remains stable at supply voltages as low as ±1.2V when configured for closed-loop gain ≥+2.

Key Specifications

Pinout & Package

MXL1001ACN8 is supplied in an 8-pin plastic DIP package (0.300" wide), with through-hole mounting and industry-standard footprint matching LT1001 and OP-07.

Key Features

Applications

Equivalent & Alternatives

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

Compared with LT1001CN8#PBF and OP07EP, the MXL1001ACN8 delivers the tightest offset and drift specs in its class while consuming half the power of OP07EP - making it optimal for calibrated lab equipment where metrological integrity and thermal stability are non-negotiable.

Availability

MXL1001ACN8 is available at Aetrix Electronics and suitable for thermocouple amplifiers, strain gauge interfaces, and high-accuracy data acquisition systems requiring stable component supply for legacy system maintenance and calibration-critical instrumentation.

Supply support for MXL1001ACN8 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

Maxim Integrated (now part of Analog Devices) is a fabless semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing markets.

The MXL1001 series was developed as a military-qualified precision op amp family targeting applications demanding metrology-grade DC accuracy, low thermal drift, and long-term stability - especially in test equipment, aerospace sensors, and calibration standards.

FAQ

What is the operating temperature range for MXL1001ACN8?

The MXL1001ACN8 is specified for operation from 0°C to +70°C. This commercial-grade temperature range aligns with its "AC" suffix designation and is validated per Maxim's Electrical Characteristics table for TA = 0°C to +70°C. The device meets all guaranteed parameters - including 15µV max input offset voltage and 0.6µV/°C max drift - within this range. It is not rated for extended or military temperature operation; for -55°C to +125°C, the MXL1001AMJ8 or MXL1001AMH variants must be used instead of MXL1001ACN8.

Is MXL1001ACN8 pin-compatible with the LT1001?

Yes, MXL1001ACN8 is explicitly pin-compatible with the LT1001, as confirmed in the General Description section of the Maxim datasheet. Both devices share identical 8-pin DIP pinouts, including VOS TRIM (pins 1 and 8), -IN (pin 2), +IN (pin 3), V− (pin 4), N.C. (pin 5), VOUT (pin 6), V+ (pin 7), and matching electrical behavior in nulling, gain, and supply configurations. This compatibility allows direct substitution in existing LT1001-based PCBs without layout changes, making MXL1001ACN8 a drop-in upgrade for improved offset and drift performance.

Does MXL1001ACN8 require external frequency compensation?

No, MXL1001ACN8 does not require external frequency compensation. It is internally compensated for stable operation at unity gain, as stated in the Applications Information section. The device can be used directly in gain-of-one buffers or inverting amplifiers without added capacitors or resistors. This simplifies design versus older op amps like the 725 or 108A, which often needed external compensation networks - a key advantage when upgrading legacy circuits using MXL1001ACN8 in place of those parts.

What is the maximum supply voltage for MXL1001ACN8?

The absolute maximum total supply voltage for MXL1001ACN8 is ±22V (44V total), as defined in the Absolute Maximum Ratings table. However, functional operation is guaranteed from ±3V to ±18V per the Electrical Characteristics tables. Operation below ±3V is possible down to ±1.2V, but only with closed-loop gains ≥+2 (or inverting gains ≥1) to maintain stability. Exceeding ±22V risks permanent damage; sustained operation above ±18V may degrade long-term reliability even if within absolute limits.

Can MXL1001ACN8 be used in single-supply configurations?

MXL1001ACN8 is optimized for dual-supply operation (±3V to ±18V) and does not support true single-supply operation with rail-to-rail input or output. Its input voltage range is specified as ±13V (relative to V−), and output swing is asymmetric around ground in single-supply setups. While it can function with V− grounded and V+ = +15V, the input common-mode range excludes the negative rail, limiting usable input range to ~+2V to +13V. For dedicated single-supply applications, purpose-built amplifiers like the MAX44260 or AD8605 are recommended over MXL1001ACN8.