Overview
The AD847JN is a high-speed, low-power monolithic operational amplifier produced by Analog Devices Inc. This device represents a significant advancement in amplifier technology, offering superior AC and DC performance at a low cost. It is particularly noted for its high unity gain bandwidth, low supply current, and high slew rate, making it suitable for a wide range of high-speed applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Unity Gain Bandwidth | 50 | MHz |
| Supply Current | 5.3 | mA |
| Slew Rate | 300 | V/μs |
| Differential Gain (NTSC and PAL) | 0.04% | |
| Differential Phase (NTSC and PAL) | 0.198° | |
| Settling Time to 0.1% (10 V Step) | 65 | ns |
| Open-Loop Gain (RLOAD = 1 kΩ) | 5.5 | V/mV |
| Input Offset Voltage | 0.5 | mV |
| Common-Mode Rejection Ratio | 78 | dB |
| Output Voltage Swing (into 150 Ω load) | ±3 | V |
Key Features
- High unity gain bandwidth of 50 MHz and high slew rate of 300 V/μs, making it ideal for high-speed applications.
- Low supply current of 5.3 mA, contributing to low power consumption.
- Excellent video specifications with 0.04% differential gain and 0.198° differential phase for NTSC and PAL systems.
- Ability to drive any capacitive load, ensuring stability in various configurations.
- Fast settling time to 0.1% in 65 ns for a 10 V step input.
- High open-loop gain and low input offset voltage, enhancing DC performance.
- Available in various packages, including plastic DIP and SOIC, and cerdip packages.
Applications
- Video instrumentation and imaging equipment.
- Copiers, fax machines, scanners, and cameras.
- High-speed cable drivers.
- Buffers for high-speed DACs and flash ADCs.
- Input buffers for flash A/D converters.
- Multiple pole active filters in high-density applications.
Q & A
- What is the unity gain bandwidth of the AD847JN?
The unity gain bandwidth of the AD847JN is 50 MHz.
- What is the slew rate of the AD847JN?
The slew rate of the AD847JN is 300 V/μs.
- What is the supply current of the AD847JN?
The supply current of the AD847JN is 5.3 mA.
- What are the differential gain and phase specifications for the AD847JN?
The AD847JN has a differential gain of 0.04% and a differential phase of 0.198° for NTSC and PAL systems.
- Can the AD847JN drive capacitive loads?
- What is the settling time of the AD847JN for a 10 V step input?
The settling time to 0.1% for a 10 V step input is 65 ns.
- What is the open-loop gain of the AD847JN?
The open-loop gain of the AD847JN is 5.5 V/mV with a 1 kΩ load.
- What is the input offset voltage of the AD847JN?
The input offset voltage of the AD847JN is 0.5 mV.
- In what packages is the AD847JN available?
The AD847JN is available in plastic DIP, SOIC, and cerdip packages.
- What are some common applications of the AD847JN?
