OP490GP - High-Performance Micropower Quad Op Amp

Overview

The OP490GP is a high-performance micropower quad operational amplifier designed for precision applications in both single and dual supply configurations. It operates from a single supply voltage ranging from +1.6V to +36V or dual supplies of ±0.8V to ±18V, making it versatile for a wide range of applications. The device features rail-to-rail input and output operation, allowing it to handle signals that include ground in single-supply configurations. With its low power consumption and high performance characteristics, the OP490GP is ideal for battery-powered and portable devices.

Features

• Wide Supply Voltage Range: Operates from +1.6V to +36V single supply or ±0.8V to ±18V dual supply.
• True Single-Supply Operation: Input and output voltage ranges include ground, enabling ground-referenced signal processing.
• Low Supply Current: Maximum of 80µA per amplifier, making it suitable for power-sensitive applications.
• High Output Drive: Minimum of 5mA output current, capable of driving moderate loads.
• Low Offset Voltage: Maximum offset voltage of 0.5mV ensures high accuracy in precision applications.
• High Open-Loop Gain: Minimum of 700V/mV, providing excellent signal amplification.
• Outstanding PSRR: Minimum power supply rejection ratio of 5.6mV/V, reducing sensitivity to supply voltage variations.
• Industry-Standard Quad Pinout: Compatible with existing designs and easy to integrate.
• Available in Die Form: Offers flexibility for custom packaging and integration.

Applications

The OP490GP is suitable for a broad range of applications, including but not limited to:

• Portable and Battery-Powered Devices: Due to its low power consumption and single-supply operation.
• Sensor Signal Conditioning: Ideal for amplifying signals from sensors such as thermocouples, strain gauges, and pressure sensors.
• Medical Instrumentation: Suitable for precision measurement and monitoring equipment.
• Industrial Control Systems: Provides reliable performance in harsh environments.
• Audio Processing: Can be used in low-power audio amplifiers and filters.
• Automotive Electronics: Operates reliably over a wide temperature range and supply voltage variations.

Electrical Characteristics

The following table summarizes the key electrical characteristics of the OP490GP under typical operating conditions (unless otherwise specified):

Absolute Maximum Ratings

• Supply Voltage (V_S): +36V or ±18V
• Input Voltage Range: -0.3V to +36V
• Output Short-Circuit Duration: Continuous
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

DC Electrical Characteristics

• Input Offset Voltage (V_OS): 0.5mV max
• Input Bias Current (I_B): 20nA max
• Input Offset Current (I_OS): 5nA max
• Common-Mode Rejection Ratio (CMRR): 90dB min
• Power Supply Rejection Ratio (PSRR): 5.6mV/V min
• Open-Loop Gain (A_VOL): 700V/mV min
• Output Voltage Swing: Rail-to-rail

AC Electrical Characteristics

• Gain Bandwidth Product (GBW): 200kHz typ
• Slew Rate (SR): 0.1V/µs typ
• Total Harmonic Distortion (THD): 0.01% typ at 1kHz

Package Information

The OP490GP is available in multiple package options to suit various application requirements. Below are the details of the available packages:

14-Lead PDIP (Plastic Dual In-Line Package)

• Package Code: P
• Dimensions: 19.3mm x 6.35mm x 4.57mm
• Pin Pitch: 2.54mm

14-Lead SOIC (Small Outline Integrated Circuit)

• Package Code: S
• Dimensions: 8.65mm x 3.9mm x 1.5mm
• Pin Pitch: 1.27mm

Die Form

• Package Code: D
• Dimensions: Customizable based on application requirements.

Conclusion

The OP490GP is a versatile and high-performance quad operational amplifier that excels in low-power and precision applications. Its wide supply voltage range, rail-to-rail operation, and excellent electrical characteristics make it a reliable choice for designers working on portable, industrial, medical, and automotive systems. With multiple package options, including die form, the OP490GP offers flexibility for a variety of design needs.