Overview
The AD8022ARZ is a high-performance, dual high-speed, low-noise operational amplifier (op amp) produced by Analog Devices Inc. This device is specifically designed for applications requiring very low voltage and current noise, such as ADSL (Asymmetric Digital Subscriber Line), VDSL (Very-high-bit-rate Digital Subscriber Line), and other proprietary xDSL transceivers. The AD8022ARZ operates on a wide range of supply voltages and is fabricated on Analog Devices’ proprietary eXtra-Fast Complementary Bipolar (XFCB) process, which enables high-frequency, low-distortion performance with low supply currents.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Operating Supply Voltage | ±2.25V to ±13V | V |
| Maximum Supply Voltage | 26.4 | V |
| Operating Supply Current | 6.1 mA/Amp | mA |
| Input Offset Voltage (Vos) | 1.5 mV | mV |
| Common Mode Rejection Ratio (CMRR) | 98 dB | dB |
| Bandwidth (Small Signal) | 100 MHz to 120 MHz | MHz |
| Slew Rate | 30 V/μs to 42 V/μs | V/μs |
| Settling Time | 62 ns | ns |
| Package Type | 8-SOIC | |
| Operating Temperature Range | -40°C to +85°C | °C |
Key Features
- Low Noise: The AD8022ARZ features very low voltage noise of 2.5 nV/√Hz, making it ideal for applications requiring high signal integrity.
- High Speed: With a small signal bandwidth of 100 MHz to 120 MHz and a slew rate of 30 V/μs to 42 V/μs, this op amp is suitable for high-speed applications.
- Low Distortion: The device provides wideband, low distortion performance, optimized for stability when driving capacitive loads.
- Wide Supply Voltage Range: The AD8022ARZ can operate on a wide range of supply voltages from ±2.25V to ±13V, enhancing its versatility in various applications.
- High Output Current: The op amp is capable of delivering high output current, making it suitable for driving heavy loads.
- Fast Overvoltage Recovery: This feature is beneficial in applications where the op amp may experience overvoltage conditions, ensuring quick recovery and maintaining signal integrity.
Applications
- ADSL and VDSL Transceivers: The AD8022ARZ is particularly suited for the receive channel front end in ADSL and VDSL applications due to its low noise and high-speed characteristics.
- Proprietary xDSL Transceivers: Its performance makes it a good fit for other proprietary xDSL designs requiring similar specifications.
- Instrumentation and Measurement Systems: The low noise and high precision of the AD8022ARZ make it suitable for use in instrumentation and measurement systems where accuracy is critical.
- Analog Circuits and Active Filters: The device can be configured as differential receivers or independent active filters in various analog circuits.
Q & A
- What is the typical application of the AD8022ARZ?
The AD8022ARZ is typically used in ADSL, VDSL, and other proprietary xDSL transceivers, as well as in instrumentation and measurement systems where low noise and high precision are required.
- What is the operating supply voltage range of the AD8022ARZ?
The AD8022ARZ can operate on a supply voltage range of ±2.25V to ±13V.
- What is the input offset voltage (Vos) of the AD8022ARZ?
The input offset voltage (Vos) of the AD8022ARZ is typically 1.5 mV.
- What is the common mode rejection ratio (CMRR) of the AD8022ARZ?
The CMRR of the AD8022ARZ is 98 dB.
- What is the bandwidth of the AD8022ARZ?
The small signal bandwidth of the AD8022ARZ is 100 MHz to 120 MHz.
- What is the slew rate of the AD8022ARZ?
The slew rate of the AD8022ARZ is 30 V/μs to 42 V/μs.
- What is the settling time of the AD8022ARZ?
The settling time of the AD8022ARZ is 62 ns.
- In what package types is the AD8022ARZ available?
The AD8022ARZ is available in 8-lead SOIC and 8-lead MSOP packages.
- What is the operating temperature range of the AD8022ARZ?
The operating temperature range of the AD8022ARZ is -40°C to +85°C.
- What is the noise performance of the AD8022ARZ?
The AD8022ARZ features very low voltage noise of 2.5 nV/√Hz, making it suitable for applications requiring high signal integrity.
