Analog Devices Inc. ADA4870 高速、高压、驱动放大器
亚德诺半导体 ADA4870 高速、高压、驱动放大器是一款单位增益稳定的高速电流反馈型放大器，能够以 40V 的电源提供达 1A 的输出电流和达 2500V/μs 的压摆率。ADA4870 的创新架构采用 ADI 公司专有的高压超快速互补双极性(XFCB)工艺制造，可为需要驱动低阻抗负载的应用提供高输出功率、高速信号处理解决方案。ADA4870 非常适合驱动高压功率场效应晶体管、压电传感器、PIN 二极管、CCD 面板，以及各种需要以高电源电压和高电流进行高速输出的其它要求严苛的应用。
Developed using the Analog Devices, Inc., proprietary high voltage extra fast complementary bipolar (XFCB) process, the innovative architecture of the ADA4870 enables high output power, high speed signal processing solutions in applications that require driving a low impedance load. The ADA4870 Drive Amplifier is ideal for driving high voltage power FETs, piezo transducers, PIN diodes, CCD panels, and a variety of other demanding applications that require high speed from high supply voltage at high output current.
特性
- Ideal for driving high capacitive or low resistive loads
- 10V to 40V wide supply range
- 1A high output current drive
- Wide output voltage swing of 37V swing with 40V supply
- 2500V/μs high slew rate
- High bandwidth of 52MHz large signal and 70MHz small signal
- 2.1nV/√Hz low noise
- 32.5mA quiescent current
- 0.75mA power down
- Short-circuit protection and flag
- 1.2A current limit
- Thermal protection
应用
- Envelope tracking
- Power FET driver
- Ultrasound
- Piezo drivers
- PIN diode drivers
- Waveform generation
- Automated test equipment (ATE)
- CCD panel drivers
- Composite amplifiers
Additional Resources
Design a Powerful Signal Generator Output Stage
How to design a small and inexpensive output stage with a voltage gain amplifier (VGA) and a current feedback amplifier (CFA).
Functional Block Diagram
发布日期: 2014-11-14
| 更新日期: 2024-02-08