Overview
The OP490GS is a high-performance, low-voltage, micropower quad operational amplifier produced by Analog Devices Inc. This device is designed to operate from a single supply of 1.6 V to 36 V or from dual supplies of ±0.8 V to ±18 V. The OP490GS is notable for its low power consumption, high output drive capability, and excellent input and output voltage ranges that include ground, making it suitable for single-supply operation.
The amplifier features a low supply current of less than 20 μA per amplifier, high output drive of over 5 mA, and a low input offset voltage of under 0.5 mV. These characteristics make the OP490GS ideal for battery and solar-powered applications, such as portable instruments and remote sensors.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VS | 1.6 V | 36 V | V | ||
| Input Offset Voltage | VOS | VS = ±15 V | 0.75 mV | 1.5 mV | mV | |
| Input Offset Current | IOS | VCM = 0 V | 1.3 nA | 7 nA | nA | |
| Input Bias Current | IB | VCM = 0 V | 4.4 nA | 25 nA | nA | |
| Large Signal Voltage Gain | AVO | VS = ±15 V, VO = ±10 V, RL = 100 kΩ | 300 V/mV | 600 V/mV | V/mV | |
| Gain Bandwidth Product | GBWP | AV = 1 | 20 kHz | kHz | ||
| Operating Temperature Range | -40°C | 85°C | °C | |||
| Package | 16-SOIC |
Key Features
- Single or dual supply operation: 1.6 V to 36 V or ±0.8 V to ±18 V.
- Low supply current: Less than 20 μA per amplifier.
- High output drive: Over 5 mA per amplifier.
- Low input offset voltage: Under 0.5 mV.
- High open-loop gain: Over 400,000.
- High common-mode rejection ratio (CMRR): Better than 90 dB.
- Low power supply rejection ratio (PSRR): Under 5.6 μV/V.
- Input and output voltage ranges include ground for single-supply operation.
- Gain bandwidth product of 20 kHz.
Applications
- Battery and solar-powered systems.
- Portable instruments.
- Remote sensors.
- Low-power analog circuits.
- Single-supply op-amp applications where input and output ranges need to include ground.
Q & A
- What is the supply voltage range for the OP490GS?
The OP490GS 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 typical supply current per amplifier for the OP490GS?
The typical supply current per amplifier is less than 20 μA.
- What is the maximum output current of the OP490GS?
The OP490GS can deliver over 5 mA of output current to a load.
- What is the input offset voltage of the OP490GS?
The input offset voltage is under 0.5 mV.
- What is the gain bandwidth product of the OP490GS?
The gain bandwidth product is 20 kHz.
- What is the operating temperature range for the OP490GS?
The operating temperature range is -40°C to 85°C.
- What package types are available for the OP490GS?
The OP490GS is available in a 16-SOIC package.
- Is the OP490GS suitable for single-supply operation?
- What are some common applications for the OP490GS?
- What is the common-mode rejection ratio (CMRR) of the OP490GS?
