Overview
The ADA4870ARRZ-RL, produced by Analog Devices Inc., is a high-speed, high-voltage current feedback amplifier. It is unity gain stable and capable of delivering 1 A of output current and a slew rate of 2500 V/μs from a 40 V supply. This amplifier is manufactured using Analog Devices' proprietary high voltage extra fast complementary bipolar (XFCB) process, enabling high output power and high-speed signal processing in demanding applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 10 | - | 40 | V |
| Output Current | - | - | 1 | A |
| Slew Rate (Peak) | - | - | 2500 | V/μs |
| Bandwidth (Large Signal) | - | - | 52 | MHz |
| Bandwidth (Small Signal) | - | - | 70 | MHz |
| Noise (Voltage) | - | 2.1 | - | nV/√Hz |
| Quiescent Current | - | 32.5 | - | mA |
| Power Down Current | - | 0.75 | - | mA |
| Output Voltage Swing | - | - | 37 | V (with 40 V supply) |
Key Features
- Ideal for driving high capacitive or low resistive loads
- Wide supply range: 10 V to 40 V
- High output current drive: 1 A
- High slew rate: 2500 V/μs
- High bandwidth: up to 70 MHz small signal, 52 MHz large signal
- Low noise: 2.1 nV/√Hz
- Short-circuit protection and flag
- Thermal protection
Applications
- Envelope tracking
- Power FET driver
- Ultrasound
- Piezo drivers
- PIN diode drivers
- Waveform generation
- Automated test equipment (ATE)
- CCD panel drivers
- Composite amplifiers
Q & A
- What is the maximum output current of the ADA4870ARRZ-RL?
The ADA4870ARRZ-RL can deliver up to 1 A of output current. - What is the slew rate of the ADA4870ARRZ-RL?
The slew rate is 2500 V/μs. - What is the bandwidth of the ADA4870ARRZ-RL for large and small signals?
The bandwidth is up to 52 MHz for large signals and 70 MHz for small signals. - What is the noise level of the ADA4870ARRZ-RL?
The noise level is 2.1 nV/√Hz. - What is the quiescent current of the ADA4870ARRZ-RL?
The quiescent current is 32.5 mA. - Does the ADA4870ARRZ-RL have short-circuit and thermal protection?
Yes, it includes short-circuit protection and thermal protection. - What are some typical applications of the ADA4870ARRZ-RL?
Typical applications include envelope tracking, power FET drivers, ultrasound, piezo drivers, PIN diode drivers, waveform generation, automated test equipment (ATE), and CCD panel drivers. - What is the supply voltage range for the ADA4870ARRZ-RL?
The supply voltage range is from 10 V to 40 V. - What is the output voltage swing of the ADA4870ARRZ-RL with a 40 V supply?
The output voltage swing is 37 V with a 40 V supply. - Is the ADA4870ARRZ-RL RoHS compliant?
Yes, the ADA4870ARRZ-RL is RoHS compliant.
