Overview
The OP295GSZ-REEL7 is a dual general-purpose operational amplifier (op-amp) produced by Analog Devices Inc. This component is part of the OP295 series, known for its rail-to-rail output swing and high dc accuracy. The OP295GSZ-REEL7 is designed using a bipolar front end, which provides lower noise and higher accuracy compared to pure CMOS designs. It is particularly suitable for applications requiring high precision and stability, even in single-supply configurations.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | 3 | 36 | V | ||
| Input Offset Voltage (Vos) | 300 μV | μV | |||
| Gain Bandwidth Product (GBP) | 75 | kHz | |||
| Slew Rate (SR) | RL = 10 kΩ | 0.03 | V/μs | ||
| Output Current per Channel | ±18 mA | mA | |||
| Supply Current per Amplifier | VOUT = 2.5 V, RL = ∞, −40°C ≤ TA ≤ +125°C | 150 μA | μA | ||
| Operating Temperature | -40 | 125 | °C | ||
| Package / Case | 8-SOIC (0.154, 3.90mm Width) | ||||
| Number of Pins | 8 | ||||
| Common Mode Rejection Ratio (CMRR) | −15.0 V ≤ VCM ≤ +13.5 V, −40°C ≤ TA ≤ +125°C | 90 | 110 dB | dB | |
| Power Supply Rejection Ratio (PSRR) | ±1.5 V ≤ VS ≤ ±15 V, −40°C ≤ TA ≤ +125°C | 85 | 110 dB | dB |
Key Features
- Rail-to-Rail Output Swing: The OP295GSZ-REEL7 offers rail-to-rail output swing, allowing it to drive loads from the negative supply to the positive supply voltage.
- High DC Accuracy: With a maximum offset voltage of 300 μV and an offset voltage drift of 1 μV/°C, this op-amp ensures high precision in various applications.
- Low Supply Current: The op-amp has a low supply current of 150 μA per amplifier, making it suitable for battery-operated devices.
- Stability with Capacitive Loads: It is stable with loads in excess of 300 pF, which is beneficial for driving coax cable or large FET transistors.
- High Open-Loop Gain: The op-amp features a high open-loop gain of at least 1000 V/mV, ensuring high accuracy in system implementations.
- Wide Operating Supply Voltage Range: The OP295GSZ-REEL7 can operate over a supply voltage range of 3 V to 36 V, making it versatile for various applications.
Applications
- Battery-Operated Instrumentation: Suitable for devices powered by batteries, such as lithium batteries, due to its low supply current and ability to operate at 3 V.
- Servo Amplifiers and Actuator Drives: Ideal for servo systems and actuator drives due to its high output current and stability with capacitive loads.
- Sensor Conditioners: Used in sensor conditioning circuits where high accuracy and low noise are critical.
- Power Supply Control: Can be used in power supply control circuits to ensure stable and accurate voltage regulation.
- Driving Inductive Loads: Suitable for driving inductive loads such as transformers, enhancing efficiency in such applications.
Q & A
- What is the maximum input offset voltage of the OP295GSZ-REEL7?
The maximum input offset voltage is 300 μV.
- What is the gain bandwidth product (GBP) of the OP295GSZ-REEL7?
The gain bandwidth product is 75 kHz.
- What is the slew rate of the OP295GSZ-REEL7?
The slew rate is 0.03 V/μs.
- What is the operating temperature range of the OP295GSZ-REEL7?
The operating temperature range is from -40°C to 125°C.
- What is the package type of the OP295GSZ-REEL7?
The package type is 8-SOIC (0.154, 3.90mm Width).
- How many amplifiers are included in the OP295GSZ-REEL7?
The OP295GSZ-REEL7 includes 2 amplifiers.
- What is the common mode rejection ratio (CMRR) of the OP295GSZ-REEL7?
The CMRR is 90 dB to 110 dB over the specified temperature range.
- What is the power supply rejection ratio (PSRR) of the OP295GSZ-REEL7?
The PSRR is 85 dB to 110 dB over the specified temperature range.
- Is the OP295GSZ-REEL7 RoHS compliant?
Yes, the OP295GSZ-REEL7 is RoHS compliant.
- What are some typical applications of the OP295GSZ-REEL7?
Typical applications include battery-operated instrumentation, servo amplifiers, actuator drives, sensor conditioners, and power supply control.
