Overview
The ADA4857-1YRZ is a high-speed, voltage feedback operational amplifier produced by Analog Devices Inc. This device is characterized by its unity-gain stability, low distortion, low noise, and high slew rate. It is designed using Analog Devices' proprietary next-generation XFCB process and innovative architecture, making it an ideal solution for various high-performance applications. The ADA4857-1YRZ operates over a wide supply voltage range of 5V to 10V and is available in an 8-lead SOIC package. It is suitable for applications requiring high dynamic range, precision, and speed, such as instrumentation, IF and baseband amplifiers, active filters, ADC drivers, and DAC buffers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Slew Rate | - | 2800 | - | V/μs |
| -3dB Bandwidth | - | 850 | - | MHz |
| Input Bias Current | -1.7 | -3.3 | -4.1 | μA |
| Input Offset Voltage | - | ±2 | ±4.5 | mV |
| Input Offset Voltage Drift | 4.6 | 22 | - | μV/°C |
| Input Voltage Noise | - | 4.4 | - | nV/√Hz |
| Supply Voltage Range | 4.5 | - | 10.5 | V |
| Quiescent Current | 5 | - | 5.5 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Output Current per Channel | - | - | 50 | mA |
| Package | - | - | - | 8-lead SOIC |
Key Features
- Voltage feedback amplifier with high slew rate (2800 V/μs) and wide bandwidth (850 MHz).
- Low distortion and low noise, with a spurious-free dynamic range (SFDR) of −88 dBc at 10 MHz.
- Low input offset voltage (±2 mV to ±4.5 mV) and low input offset voltage drift (22 μV/°C).
- Wide supply voltage range from 5V to 10V, making it versatile for various applications.
- High precision and speed, suitable for applications requiring accurate measurement and control.
- Available in an 8-lead SOIC package, with an operating temperature range of -40°C to +125°C.
- Power-down feature with low quiescent current in power-down mode (350 μA to 450 μA).
Applications
- Data acquisition systems.
- Industrial process control.
- Medical devices.
- Test and measurement equipment.
- Aerospace and defense applications.
- Instrumentation, IF and baseband amplifiers, active filters, ADC drivers, and DAC buffers.
- Ultrasounds, ATE (Automated Test Equipment).
Q & A
- What is the slew rate of the ADA4857-1YRZ?
The slew rate of the ADA4857-1YRZ is 2800 V/μs.
- What is the bandwidth of the ADA4857-1YRZ?
The bandwidth of the ADA4857-1YRZ is 850 MHz.
- What is the input offset voltage of the ADA4857-1YRZ?
The input offset voltage of the ADA4857-1YRZ is typically ±2 mV to ±4.5 mV).
- What is the supply voltage range of the ADA4857-1YRZ?
The supply voltage range of the ADA4857-1YRZ is from 5V to 10V).
- What is the operating temperature range of the ADA4857-1YRZ?
The operating temperature range of the ADA4857-1YRZ is from -40°C to +125°C).
- What package types are available for the ADA4857-1YRZ?
The ADA4857-1YRZ is available in an 8-lead SOIC package).
- What are some typical applications of the ADA4857-1YRZ?
Typical applications include data acquisition systems, industrial process control, medical devices, test and measurement equipment, and aerospace and defense applications).
- Does the ADA4857-1YRZ have a power-down feature?
- What is the input voltage noise of the ADA4857-1YRZ?
The input voltage noise of the ADA4857-1YRZ is 4.4 nV/√Hz at 100 kHz).
- What is the harmonic distortion of the ADA4857-1YRZ?
The harmonic distortion of the ADA4857-1YRZ is −88 dBc at 10 MHz).
