Analog Devices Inc. AD704JRZ-16

Overview

AD704JRZ-16 from Analog Devices is a quad, low-power, bipolar operational amplifier optimized for precision DC-coupled applications requiring picoampere input bias current (270 pA max), 150 µV max input offset voltage, and 1.5 µV/°C max offset drift. It operates from ±2 V to ±18 V supplies, draws only 600 µA per amplifier, and is internally compensated for unity-gain stability-ideal for ECG instrumentation, weigh scales, and 12-/14-bit data acquisition front-ends.

For engineers reviewing the AD704JRZ-16 datasheet, AD704JRZ-16 pinout, AD704JRZ-16 application, or AD704JRZ-16 equivalent, this page delivers verified specifications, SOIC-16 package mapping, real-world use cases in low-frequency active filters and precision integrators, and two validated alternative op amps with documented functional trade-offs.

Technical Context

The AD704JRZ-16 uses superbeta bipolar input transistors to achieve BiFET-level input bias current (270 pA max at 25°C) while maintaining bipolar-like noise (0.5 µV p-p, 0.1–10 Hz) and offset performance (150 µV max). Its IB increases only ~5× over temperature (to 300 pA at 125°C), unlike BiFET amplifiers whose IB doubles every 10°C.

It features matched quad amplifiers with guaranteed offset matching (250 µV max), input bias current matching (500 pA max), and high CMRR (94 dB min) and PSRR (94 dB min). The device is rated for 0°C to +70°C operation and supports rail-to-rail input common-mode range (±13.5 V at ±15 V supplies).

Key Specifications

Pinout & Package

AD704JRZ-16 is housed in a 16-lead SOIC_W (RW-16) package per JEDEC MS-013-AA, with 1.27 mm lead pitch, 10.5 mm × 7.6 mm body, and gull-wing leads. Pin 1 is marked by a beveled corner or dot; pins 5 and 7 are no-connect (NC) terminals.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar precision quad op amp applications.

Compared with AD704JRZ-16, AD8609ARZ-16 offers superior input bias current but trades off higher quiescent current and voltage noise, while OP4177ARZ-16 delivers lower offset and drift at the cost of significantly higher input bias current-making AD704JRZ-16 the optimal balance for medium-impedance precision analog front-ends.

Availability

AD704JRZ-16 is available at Aetrix Electronics and suitable for ECG instrumentation, industrial weigh scales, and 12-/14-bit data acquisition systems requiring stable component supply, RoHS compliance, and commercial-temperature-grade reliability.

Supply support for AD704JRZ-16 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide and a legacy of precision amplifier innovation since 1965.

The AD704JRZ-16 belongs to Analog Devices' precision bipolar op amp product line, engineered specifically for low-drift, low-noise, low-power DC signal conditioning in medical, industrial, and test equipment where picoampere input bias current and sub-microvolt offset are essential.

FAQ

What is the operating temperature range of the AD704JRZ-16?

The AD704JRZ-16 is rated for the commercial temperature range of 0°C to +70°C, as confirmed in the Ordering Guide (Rev. E, Page 14). This distinguishes it from the AD704ARZ-16 (−40°C to +85°C) and AD704SE/883B (−55°C to +125°C) variants. Operation outside 0°C–70°C may result in degraded offset drift or increased input bias current beyond datasheet limits.

Does the AD704JRZ-16 require external compensation capacitors?

No, the AD704JRZ-16 is internally compensated for unity-gain stability, as stated in the General Description (Rev. E, Page 1). It can be used directly in buffer, inverter, or gain-of-10 configurations without external compensation. Adding external capacitance at the output may be necessary only when driving >10,000 pF capacitive loads, per the Capacitive Load specification (Page 4).

Are Pins 5 and 7 on the AD704JRZ-16 functional or no-connect?

Pins 5 and 7 on the AD704JRZ-16 are explicitly designated as no-connect (NC) terminals in Figure 2 of the datasheet (Rev. E, Page 1). They have no internal connection and must remain unconnected in PCB layout to avoid parasitic coupling or unintended current paths that could affect noise or offset performance.

How does the AD704JRZ-16 compare to the OP07 in terms of input bias current and power consumption?

The AD704JRZ-16 has only 1/20 the input bias current (270 pA max vs. ~5 nA for OP07) and consumes 1/6 the supply current per amplifier (600 µA max vs. ~3.5 mA for OP07), as documented in the General Description (Rev. E, Page 1). This eliminates the need for balancing resistors and reduces thermal loading on high-density boards.

Can the AD704JRZ-16 drive a 10 kΩ load with ±13 V output swing?

Yes-the AD704JRZ-16 guarantees ±13 V minimum output voltage swing into a 10 kΩ load at ±15 V supplies, per the Output Characteristics table (Rev. E, Page 4). This is sufficient for driving ADC references, analog multiplexers, or downstream op amps in industrial signal chains without additional level-shifting circuitry.