Overview
The OP221GSZ-REEL is a dual low-power operational amplifier produced by Analog Devices Inc. This monolithic dual operational amplifier is designed for use in either single or dual supply operations, making it versatile for a wide range of applications. The OP221 is known for its excellent specifications, including tight matching and temperature tracking between channels, which are crucial for precise and reliable operation. It is particularly suited for operation from batteries or unregulated power supplies due to its wide supply voltage range and low supply current drain.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Offset Voltage | VOS | VCM = 0 | 250 | 500 | 700 | mV |
| Input Offset Current | IOS | VCM = 0 | 1.5 | 7 | 10 | nA |
| Input Bias Current | IB | VCM = 0 | 70 | 120 | 140 | nA |
| Input Voltage Range | IVR | V+ = 5 V, V– = 0 V | 0/3.5 | V | ||
| VS = ±15 V | –15/13.5 | V | ||||
| Common-Mode Rejection Ratio | CMRR | V+ = –5 V, V– = 0 V | 75 | 85 | 90 | dB |
| Power Supply Rejection Ratio | PSRR | VS = ±2.5 V to ± 15 V | 57 | 100 | 180 | mV/V |
| Large-Signal Voltage Gain | AVO | VS = ±15 V, RL = 10 kW | 600 | V/mV | ||
| Output Voltage Swing | VO | V+ = 5 V, V– = 0 V | 0.8/4 | V | ||
| VS = 15 V, RL = 10 kW | ±13.5 | V | ||||
| Slew Rate | SR | RL = 10 kW | 0.2 | 0.3 | V/μs | |
| Bandwidth | BW | 600 | kHz | |||
| Supply Current | ISY | VS = ±2.5 V, No Load | 550 | 650 | 750 | μA (Both Amplifiers) |
| VS = ±15 V, No Load | 850 | 900 | 1000 | μA (Both Amplifiers) |
Key Features
- Excellent TCVOS (Temperature Coefficient of Voltage Offset) match and low input offset voltage drift, ensuring stable operation over temperature changes.
- High open-loop gain and high power supply rejection ratio (PSRR), contributing to high accuracy and stability in various operating conditions.
- Wide common-mode voltage range, allowing the amplifier to operate effectively with a variety of input signals.
- Low supply current drain, making it suitable for battery-powered devices and unregulated power supplies.
- Pin compatibility with 1458, LM158, and LM2904, facilitating easy integration into existing designs.
- Available in die form for specialized applications.
Applications
The OP221GSZ-REEL is versatile and can be used in a variety of applications, including:
- Instrumentation and measurement systems where high accuracy and stability are required.
- Audio and video circuits that benefit from its low noise and high gain.
- Medical devices and equipment that demand precise and reliable signal processing.
- Industrial control systems and automation where robust and stable amplification is necessary.
- Battery-powered devices and portable electronics due to its low power consumption.
Q & A
- What is the input offset voltage of the OP221GSZ-REEL? The input offset voltage is typically 250 μV to 500 μV.
- What is the common-mode rejection ratio (CMRR) of the OP221GSZ-REEL? The CMRR is typically 75 dB to 90 dB.
- What is the power supply rejection ratio (PSRR) of the OP221GSZ-REEL? The PSRR is typically 57 mV/V to 180 mV/V.
- What is the slew rate of the OP221GSZ-REEL? The slew rate is typically 0.2 V/μs to 0.3 V/μs.
- What is the bandwidth of the OP221GSZ-REEL? The bandwidth is typically 600 kHz.
- Is the OP221GSZ-REEL suitable for battery-powered devices? Yes, it is suitable due to its low supply current drain.
- Is the OP221GSZ-REEL pin-compatible with other operational amplifiers? Yes, it is pin-compatible with 1458, LM158, and LM2904.
- What is the typical supply current of the OP221GSZ-REEL? The typical supply current is 550 μA to 900 μA for both amplifiers, depending on the supply voltage.
- What are some common applications of the OP221GSZ-REEL? Common applications include instrumentation, audio and video circuits, medical devices, industrial control systems, and battery-powered devices.
- Is the OP221GSZ-REEL available in die form? Yes, it is available in die form for specialized applications.
