Overview
The AD841JNZ is a high-speed, high-precision operational amplifier produced by Analog Devices Inc. It is part of the company's family of wide bandwidth operational amplifiers, known for their combination of DC precision and wideband AC performance. The AD841 is fabricated using Analog Devices’ junction isolated complementary bipolar (CB) process, which allows for exceptional performance in various high-frequency applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Unity-Gain Bandwidth | 40 MHz | |
| Settling Time | 110 ns to 0.01% for a 10 V step | |
| Slew Rate | 300 V/µs | |
| Input Voltage Noise | 15 nV/√Hz typical | |
| Input Offset Voltage | 1 mV maximum | |
| Open-Loop Gain | 45 V/mV into a 1 kΩ load | |
| Output Current | 50 mA minimum | |
| Supply Current | 12 mA maximum | |
| Operating Temperature | 0°C to 75°C | |
| Supply Voltage | ±5 V to ±18 V | |
| Package Types | 14-pin plastic PDIP, 14-pin hermetic CERDIP, 20-pin LCC |
Key Features
- High slew rate and fast settling time, making it ideal for DAC and ADC buffers, and video instrumentation circuitry.
- Precision amplifier with accuracy to 0.01% or better and wide bandwidth performance.
- Thermally balanced layout and CB process allow for rapid settling without long tails.
- Laser wafer trimming reduces input offset voltage to 1 mV maximum, eliminating the need for external offset nulling in many applications.
- No external compensation required; stable over the full operating temperature range.
- Low quiescent current of 12 mA maximum and low input voltage noise of 15 nV/√Hz.
Applications
- High speed signal conditioning
- Video and pulse amplifiers
- Data acquisition systems requiring 12-bit accuracy
- Line drivers
- Active filters
- High speed DAC and ADC buffer amplifiers
- Other wide bandwidth circuitry
Q & A
- What is the unity-gain bandwidth of the AD841JNZ?
The unity-gain bandwidth of the AD841JNZ is 40 MHz.
- How quickly does the AD841JNZ settle to 0.01% of its final value?
The AD841JNZ settles to within 0.01% of its final value in 110 ns for a 10 V step.
- What is the slew rate of the AD841JNZ?
The slew rate of the AD841JNZ is 300 V/µs.
- What is the input voltage noise of the AD841JNZ?
The input voltage noise of the AD841JNZ is 15 nV/√Hz typical.
- What is the maximum input offset voltage of the AD841JNZ?
The maximum input offset voltage of the AD841JNZ is 1 mV.
- What are the typical supply current and output current of the AD841JNZ?
The typical supply current is 12 mA maximum, and the minimum output current is 50 mA.
- In what packages is the AD841JNZ available?
The AD841JNZ is available in 14-pin plastic PDIP, 14-pin hermetic CERDIP, and 20-pin LCC packages.
- What are some common applications of the AD841JNZ?
Common applications include high speed signal conditioning, video and pulse amplifiers, data acquisition systems, line drivers, active filters, and high speed DAC and ADC buffer amplifiers.
- Does the AD841JNZ require external compensation?
No, the AD841JNZ does not require external compensation and remains stable over its full operating temperature range.
- What is the operating temperature range of the AD841JNZ?
The operating temperature range of the AD841JNZ is 0°C to 75°C.
