Overview
The OP492GS, produced by Analog Devices Inc., is a quad operational amplifier designed for single-supply applications. It is part of the OP292/OP492 series, which is fabricated using the CBCMOS process. This amplifier is ideal for 5 V systems and is known for its high performance and low cost. The OP492GS is suitable for a wide range of applications, including those requiring single- or dual-supply voltage operation over an extended industrial temperature range of −40°C to +125°C.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | −40°C ≤ TA ≤ +85°C | 1.4 | 2.5 | 3 | mV |
| Input Bias Current | IB | −40°C ≤ TA ≤ +125°C | 375 | 700 | 1 µA | nA |
| Input Offset Current | IOS | −40°C ≤ TA ≤ +125°C | 7 | 50 | 100 | nA |
| Common-Mode Rejection Ratio | CMRR | VCM = ±11 V | 75 | 95 | 100 | dB |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, VO = ±10 V | 10 | 75 | 120 | V/mV |
| Output Voltage Swing High | VOUT | RL = 100 kΩ to GND | 4.0 | 4.3 | V | |
| Supply Current Per Amp | ISY | VO = 2 V | 0.8 | 1.2 | mA | |
| Power Supply Rejection Ratio | PSRR | VS = 4.5 V to 30 V, VO = 2 V | 70 | 90 | 95 | dB |
Key Features
- Single-supply operation: 4.5 V to 33 V
- Input common-mode includes ground
- Output swings to ground
- High slew rate: 3 V/μs
- High gain bandwidth: 4 MHz
- Low input offset voltage
- High open-loop gain exceeding 40,000
- BiCMOS output stage for output swing to ground while sinking current
- Unity-gain stable
- Low supply current, suitable for battery-operated applications
Applications
- Disk drives
- Mobile phones
- Servo controls
- Modems and fax machines
- Battery-operated applications
Q & A
- What is the operating voltage range for the OP492GS?
The OP492GS operates within a single-supply voltage range of 4.5 V to 33 V.
- What is the input common-mode range for the OP492GS?
The input common-mode range includes ground.
- What is the slew rate of the OP492GS?
The slew rate of the OP492GS is 3 V/μs.
- What is the gain bandwidth of the OP492GS?
The gain bandwidth of the OP492GS is 4 MHz.
- What is the typical input offset voltage of the OP492GS?
The typical input offset voltage of the OP492GS is 2.5 mV.
- Is the OP492GS suitable for battery-operated applications?
Yes, the OP492GS is suitable for battery-operated applications due to its low supply current.
- What is the common-mode rejection ratio (CMRR) of the OP492GS?
The CMRR of the OP492GS is 75 dB to 100 dB.
- What is the large signal voltage gain of the OP492GS?
The large signal voltage gain of the OP492GS is 10 V/mV to 120 V/mV.
- What is the output voltage swing high for the OP492GS?
The output voltage swing high for the OP492GS is 4.0 V to 4.3 V with RL = 100 kΩ to GND.
- What is the supply current per amp for the OP492GS?
The supply current per amp for the OP492GS is 0.8 mA to 1.2 mA.
