Overview
The AD8022ARMZ is a dual, high-speed, low-noise operational amplifier manufactured by Analog Devices Inc. This device is designed for applications requiring low voltage and current noise, low supply current, and high bandwidth. It is particularly suited for use in xDSL line interface circuits, low noise instrumentation front ends, ultrasound preamps, active filters, and 16-bit ADC buffers.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Bandwidth | 130 MHz (typ at VOUT = 50mV p-p) |
| Slew Rate | 50 V/μs (typ at VOUT = 2V p-p, G = +2) |
| Input Offset Voltage | 1.5 mV (typ) |
| Voltage Noise | 2.5 nV/√Hz (typ at 100 kHz) |
| Current Noise | 1.2 pA/√Hz (typ) |
| Quiescent Current | 4 mA/Amp (typ) |
| Supply Voltage Range | +4.5 V to ±13 V |
| Operating Temperature Range | −40°C to +85°C |
| Package Type | 8-lead MSOP or 8-lead SOIC |
Key Features
- Low noise and distortion performance
- High speed amplifier with a bandwidth of 130 MHz
- Stable operation when driving capacitive loads
- Low input bias currents and high common-mode rejection ratio (CMRR)
- Fast overvoltage recovery and wide bandwidth
- Configurable as differential receiver or independent active filters in xDSL line interface circuits
Applications
- Receiver for ADSL, VDSL, HDSL, and proprietary xDSL systems
- Low noise instrumentation front ends
- Ultrasound preamps
- Active filters
- 16-bit ADC buffers
- High-speed signal processing, video amplification, and test equipment
Q & A
- What is the typical bandwidth of the AD8022ARMZ?
The typical bandwidth of the AD8022ARMZ is 130 MHz at VOUT = 50mV p-p.
- What is the slew rate of the AD8022ARMZ?
The slew rate of the AD8022ARMZ is 50 V/μs (typ at VOUT = 2V p-p, G = +2).
- What is the input offset voltage of the AD8022ARMZ?
The input offset voltage of the AD8022ARMZ is 1.5 mV (typ).
- What is the voltage noise of the AD8022ARMZ?
The voltage noise of the AD8022ARMZ is 2.5 nV/√Hz (typ at 100 kHz).
- What is the quiescent current of the AD8022ARMZ?
The quiescent current of the AD8022ARMZ is 4 mA/Amp (typ).
- What is the operating temperature range of the AD8022ARMZ?
The operating temperature range of the AD8022ARMZ is −40°C to +85°C.
- In what package types is the AD8022ARMZ available?
The AD8022ARMZ is available in 8-lead MSOP and 8-lead SOIC packages.
- What are some common applications of the AD8022ARMZ?
The AD8022ARMZ is commonly used in xDSL systems, low noise instrumentation, ultrasound preamps, active filters, and 16-bit ADC buffers.
- How does the AD8022ARMZ perform in terms of stability with capacitive loads?
The AD8022ARMZ is optimized for stability when driving capacitive loads due to its high output current and fast overvoltage recovery.
- Can the AD8022ARMZ be used as a differential receiver or active filter?
Yes, the AD8022ARMZ can be configured as a differential receiver from the line transformer or as independent active filters in xDSL line interface circuits.
