Analog Devices Inc. ADA4096-2ARMZ-RL

Overview

ADA4096-2ARMZ-RL from Analog Devices is a dual micropower rail-to-rail input/output operational amplifier with ±32 V overvoltage protection on inputs, 60 µA per amplifier supply current at ±15 V, 800 kHz unity-gain bandwidth, and operation from ±1.5 V to ±15 V (3 V to 30 V single-supply). It serves as a robust signal conditioner in battery monitoring circuits where input transients exceed supply rails.

For engineers reviewing the ADA4096-2ARMZ-RL datasheet, ADA4096-2ARMZ-RL pinout, ADA4096-2ARMZ-RL application, or ADA4096-2ARMZ-RL equivalent, key selection criteria include overvoltage tolerance beyond rails, micropower consumption under 80 µA over temperature, rail-to-rail I/O swing, low 300 µV max offset voltage, and guaranteed −40°C to +125°C operation for industrial and automotive sensing nodes.

Technical Context

The ADA4096-2ARMZ-RL implements a proprietary input stage with integrated diodes enabling safe input voltages up to 32 V beyond either supply rail without phase reversal or latch-up. Its unity-gain stable architecture supports capacitive loads up to 200 pF without oscillation.

It delivers 27 nV/√Hz voltage noise density and 120 dB large-signal voltage gain at ±15 V, with PSRR of 100 dB across 3 V–36 V supply range - enabling precision DC-coupled amplification in noisy, wide-input-voltage environments such as portable instrumentation and sensor front-ends.

Key Specifications

Pinout & Package

ADA4096-2ARMZ-RL is packaged in an 8-lead MSOP (RM-8) with exposed pad connected to V−. Pin 1 = OUTA, Pin 2 = −INA, Pin 3 = +INA, Pin 4 = V−, Pin 5 = +INB, Pin 6 = −INB, Pin 7 = OUTB, Pin 8 = V+.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ADA4091-2ARMZ and AD8682ARMZ, the ADA4096-2ARMZ-RL uniquely balances micropower operation, ±32 V overvoltage survivability, and rail-to-rail I/O - making it the only option among the three qualified for unclamped battery monitoring and industrial sensor nodes requiring both low quiescent current and robustness.

Availability

ADA4096-2ARMZ-RL is available at Aetrix Electronics and suitable for battery monitoring, portable instrumentation, sensor conditioners, and portable power supply controls requiring stable component supply across automotive and industrial temperature ranges.

Supply support for ADA4096-2ARMZ-RL 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

Analog Devices, Inc. is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies.

The ADA4096-2ARMZ-RL belongs to Analog Devices' 30 V micropower op-amp family, engineered for precision signal conditioning in resource-constrained, high-reliability applications including automotive battery management and industrial sensor interfaces.

FAQ

What is the maximum input voltage the ADA4096-2ARMZ-RL can withstand without damage?

The ADA4096-2ARMZ-RL supports input voltages from (−V−) −32 V to (+V+) +32 V under overvoltage conditions, per Absolute Maximum Ratings. This means with ±15 V supplies, it tolerates −47 V to +47 V at the inputs. Operation outside normal common-mode range does not guarantee functionality but prevents damage - critical for battery cell monitoring where voltage spikes occur.

Does the ADA4096-2ARMZ-RL require external components for overvoltage protection?

No. The ADA4096-2ARMZ-RL integrates internal diodes and protection circuitry enabling ±32 V overvoltage tolerance relative to supply rails. No external clamping diodes, series resistors, or TVS devices are needed - reducing BOM cost and PCB area while improving reliability in transient-prone applications like automotive battery sensing.

What is the operating temperature range specified for the ADA4096-2ARMZ-RL?

The ADA4096-2ARMZ-RL is fully specified from −40°C to +125°C, meeting extended industrial and automotive requirements. All key parameters - including supply current (≤100 µA), offset voltage (≤900 µV), and CMRR (≥58 dB) - are guaranteed across this range, making it suitable for under-hood automotive modules and factory-floor controllers.

Can the ADA4096-2ARMZ-RL drive capacitive loads without instability?

Yes. The ADA4096-2ARMZ-RL is unity-gain stable and characterized to drive capacitive loads up to 200 pF without oscillation. This allows direct connection to ADC inputs, long traces, or filtering networks without requiring isolation resistors - simplifying layout in compact portable instrumentation designs.

Is the exposed pad on the ADA4096-2ARMZ-RL's MSOP package required to be connected?

Yes. The exposed pad on the ADA4096-2ARMZ-RL's 8-lead MSOP (RM-8) package must be soldered to the V− net. This connection is essential for thermal dissipation (θJA = 142°C/W) and electrical stability. Leaving it floating degrades PSRR, increases junction temperature, and risks parametric shift over temperature - per Analog Devices' recommended layout guidelines.