Overview
The OP90GSZ-REEL7 is a high-performance, micropower operational amplifier (op amp) produced by Analog Devices Inc. This device is part of the OP90 series, known for its precision and low power consumption. The OP90GSZ-REEL7 operates from a single supply of 1.6 V to 36 V or from dual supplies of ±0.8 V to ±18 V, making it versatile for various applications. It features a low input offset voltage, high open-loop gain, and excellent power supply rejection ratio (PSRR), which are critical for precision and stability in electronic circuits.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | VS = ±1.5 V to ±15 V, TA = 25°C | 80 | 125 | 450 | µV |
| Input Offset Current | IOS | VCM = 0 V | 0.4 | 5 | nA | |
| Input Bias Current | IB | VCM = 0 V | 4.0 | 25 | nA | |
| Large-Signal Voltage Gain | AVO | VS = ±15 V, VO = ±10 V | 700,000 | V/mV | ||
| Power Supply Rejection Ratio | PSRR | VS = ±15 V | 3.2 | 5.6 | µV/V | |
| Slew Rate | SR | VS = ±15 V | 5 | 12 | V/ms | |
| Supply Current | ISY | VS = ±1.5 V to ±15 V | 9 | 14 | 20 | µA |
| Package | SOIC-8 |
Key Features
- Low Power Consumption: The OP90GSZ-REEL7 draws less than 20 µA of quiescent supply current, making it suitable for battery-powered and low-power applications.
- Precision Performance: It features a low input offset voltage of up to 150 µV and a high open-loop gain of 700,000, ensuring high precision in various applications.
- Wide Supply Voltage Range: Operates from a single supply of 1.6 V to 36 V or from dual supplies of ±0.8 V to ±18 V.
- High PSRR: A power supply rejection ratio of under 5.6 µV/V minimizes offset voltage changes, especially in battery-powered systems.
- Zero-In, Zero-Out Operation: The input and output ranges include ground, allowing for true “zero-in, zero-out” operation in single-supply configurations.
- ESD Protection: Features proprietary ESD protection circuitry to protect against electrostatic discharges.
Applications
- Battery-Powered Systems: Ideal for battery-powered instruments, remote sensors, and other low-power devices due to its minimal voltage and current requirements.
- Portable Instruments: Suitable for portable instruments that require high precision and low power consumption.
- Voltage References: Can be used in battery-powered voltage references, such as those based on the bandgap technique, to provide stable output voltages with low drift.
- Solar Powered Systems: Applicable in solar-powered systems where low power consumption is crucial.
- Satellites and Aerospace: Its low power and high precision make it a candidate for use in satellite and aerospace applications.
Q & A
- What is the typical input offset voltage of the OP90GSZ-REEL7?
The typical input offset voltage is 125 µV.
- What is the maximum supply current of the OP90GSZ-REEL7?
The maximum supply current is 20 µA.
- What is the package type of the OP90GSZ-REEL7?
The package type is SOIC-8.
- What is the power supply rejection ratio (PSRR) of the OP90GSZ-REEL7?
The PSRR is under 5.6 µV/V.
- Can the OP90GSZ-REEL7 operate from a single supply or dual supplies?
Yes, it can operate from a single supply of 1.6 V to 36 V or from dual supplies of ±0.8 V to ±18 V.
- What is the slew rate of the OP90GSZ-REEL7?
The slew rate is between 5 V/ms and 12 V/ms.
- Is the OP90GSZ-REEL7 RoHS compliant?
Yes, the OP90GSZ-REEL7 is RoHS compliant).
- What are some typical applications of the OP90GSZ-REEL7?
Typical applications include battery-powered systems, portable instruments, remote sensors, and solar-powered systems).
- Does the OP90GSZ-REEL7 have ESD protection?
Yes, it features proprietary ESD protection circuitry).
- What is the common-mode rejection ratio (CMRR) of the OP90GSZ-REEL7?
The CMRR is better than 100 dB).
