Overview
The OP490GSZ is a high-performance, 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, making it versatile for various applications. The OP490GSZ is known for its low power consumption, high output drive, and low offset voltage, which are critical for precision and accuracy in signal processing.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Supply Voltage | 1.6 | 36 | V (Single Supply) | |
| Operating Supply Voltage | ±0.8 | ±18 | V (Dual Supply) | |
| Input Offset Voltage (VOS) | 0.8 | 1.5 | 1.0 | mV |
| Input Offset Current (IOS) | 1.3 | 7 | nA | |
| Input Bias Current (IB) | 4.4 | 25 | nA | |
| Large Signal Voltage Gain (AVO) | 300 | 600 | V/mV (RL = 100 kΩ) | |
| Output Current | 5 | mA | ||
| Supply Current per Amplifier | 20 | μA | ||
| Gain Bandwidth Product | 20 | kHz | ||
| Common Mode Rejection Ratio (CMRR) | 90 | dB | ||
| Power Supply Rejection Ratio (PSRR) | 5.6 | μV/V | ||
| Package | 16-SOIC | |||
| Operating Temperature Range | -40 | 85 | °C |
Key Features
- Single/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 of output current.
- Low offset voltage: Under 1.0 mV.
- High open-loop gain: Exceeds 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 in single-supply operation.
- Active pull-down to around 0.8 V above ground in single-supply operation.
- PNP input stage with protection resistors.
- Frequency compensation to avoid oscillation.
- RoHS compliant.
Applications
The OP490GSZ is ideal for various applications where low power consumption, high precision, and versatility are required. These include:
- Battery and solar-powered systems.
- Portable instruments.
- Remote sensors.
- Precision measurement and instrumentation.
- Low-power analog circuits.
Q & A
- What is the operating supply voltage range for the OP490GSZ?
The OP490GSZ operates 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 input offset voltage of the OP490GSZ?
The input offset voltage is under 1.0 mV.
- How much output current can the OP490GSZ deliver?
The OP490GSZ can deliver over 5 mA of output current.
- What is the common mode rejection ratio (CMRR) of the OP490GSZ?
The CMRR is better than 90 dB.
- Is the OP490GSZ RoHS compliant?
Yes, the OP490GSZ is RoHS compliant.
- What is the package type of the OP490GSZ?
The OP490GSZ comes in a 16-SOIC package.
- What is the operating temperature range for the OP490GSZ?
The operating temperature range is -40°C to +85°C.
- How many channels does the OP490GSZ have?
The OP490GSZ is a quad operational amplifier, meaning it has four channels.
- What are some typical applications for the OP490GSZ?
Typical applications include battery and solar-powered systems, portable instruments, remote sensors, and precision measurement and instrumentation.
- Does the OP490GSZ support single-supply operation with zero-in, zero-out capability?
Yes, the OP490GSZ supports single-supply operation with input and output voltage ranges that include ground, enabling true zero-in, zero-out operation.
