Overview
The OP221GSZ-REEL7 is a monolithic dual operational amplifier produced by Analog Devices Inc. This device is designed for use in either single or dual supply operation, making it versatile for a wide range of applications. The OP221 features a wide supply voltage range, low supply current drain, and excellent specifications that make it suitable for operation from batteries or unregulated power supplies.
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 | ||
| 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 | 32 | 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 | 0.9/3.7 | 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 | 600 | 750 | 1000 | mA |
Key Features
- Excellent TCVOS (Temperature Coefficient of Voltage Offset) match and low input offset voltage drift.
- High open-loop gain and high power supply rejection ratio (PSRR).
- Wide common-mode voltage range and wide input voltage range.
- Low supply current drain, making it suitable for battery or unregulated power supply operation.
- Pin compatible with 1458, LM158, and LM2904.
- Available in die form and 8-SOIC package.
Applications
- Battery-powered devices due to low power consumption.
- Unregulated power supply systems.
- General-purpose amplification in various electronic circuits.
- Instrumentation and measurement equipment.
- Audio and signal processing applications.
Q & A
- What is the input offset voltage of the OP221?
The input offset voltage (VOS) of the OP221 is typically 500 mV, with a minimum of 250 mV and a maximum of 700 mV.
- What is the common-mode rejection ratio (CMRR) of the OP221?
The CMRR of the OP221 is typically 85 dB, with a minimum of 75 dB and a maximum of 90 dB.
- What is the power supply rejection ratio (PSRR) of the OP221?
The PSRR of the OP221 is typically 100 mV/V, with a minimum of 32 mV/V and a maximum of 180 mV/V.
- What is the slew rate of the OP221?
The slew rate (SR) of the OP221 is typically 0.3 V/μs, with a minimum of 0.2 V/μs.
- What is the bandwidth of the OP221?
The bandwidth (BW) of the OP221 is 600 kHz.
- What are the typical supply current requirements for the OP221?
The supply current (ISY) for the OP221 is typically 750 mA for both amplifiers at ±2.5 V supply voltage, and up to 1000 mA at ±15 V supply voltage.
- In what package is the OP221GSZ-REEL7 available?
The OP221GSZ-REEL7 is available in an 8-SOIC package.
- Is the OP221 pin compatible with other operational amplifiers?
Yes, the OP221 is pin compatible with 1458, LM158, and LM2904.
- What are some common applications for the OP221?
The OP221 is commonly used in battery-powered devices, unregulated power supply systems, general-purpose amplification, instrumentation, and audio and signal processing applications.
- What is the operating temperature range for the OP221?
The operating temperature range for the OP221 is –40°C to +85°C.
