Overview
The AD843JNZ is a fast settling, 34 MHz, CBFET (Complementary Bipolar FET) input operational amplifier produced by Analog Devices Inc. This device combines the low input bias currents characteristic of FET input amplifiers with high bandwidth and fast settling times, making it suitable for a variety of high-speed applications. The AD843JNZ is part of Analog Devices’ family of wide bandwidth operational amplifiers, fabricated using their junction isolated complementary bipolar (CB) process, which ensures both DC precision and wideband AC performance.
Key Specifications
| Parameter | Value |
|---|---|
| Bandwidth | 34 MHz |
| Input Bias Current | 0.6 nA |
| Slew Rate | 250 V/µs |
| Settling Time (10 V Step to 0.01%) | 135 ns |
| Operating Temperature Range | 0°C to +70°C (Commercial Grade) |
| Power Supply Range | ±4.5 V to ±18 V |
| Quiescent Current | 12 mA to 13 mA |
| PSRR (Power Supply Rejection Ratio) | 65 dB to 76 dB |
| Differential Gain and Phase (f = 4.4 MHz) | 0.025% and 0.025° |
| Package Types | PDIP-8, SOIC-16, Cerdip, LCC |
Key Features
- Low input bias current of 0.6 nA, characteristic of FET input amplifiers.
- High bandwidth of 34 MHz and fast settling time of 135 ns for a 10 V step.
- No external compensation required for stability.
- High slew rate of 250 V/µs, suitable for high-speed sample-and-hold applications and high-speed integrators.
- Ideal for high bandwidth active filters and high frequency signal conditioning circuits.
- Available in various package types including PDIP-8, SOIC-16, Cerdip, and LCC.
Applications
- High-speed sample-and-hold applications.
- High-speed integrators.
- High bandwidth active filters.
- High frequency signal conditioning circuits.
- General-purpose high-speed amplification in various electronic systems.
Q & A
- What is the bandwidth of the AD843JNZ operational amplifier?
The bandwidth of the AD843JNZ is 34 MHz. - What is the input bias current of the AD843JNZ?
The input bias current is 0.6 nA. - What is the slew rate of the AD843JNZ?
The slew rate is 250 V/µs. - How long does the AD843JNZ take to settle for a 10 V step to within 0.01% of the final value?
The settling time is 135 ns. - What are the typical operating temperature ranges for the AD843JNZ?
The commercial grade operates from 0°C to +70°C. - Does the AD843JNZ require external compensation for stability?
No, the AD843JNZ does not require external compensation for stability. - What are some common applications of the AD843JNZ?
High-speed sample-and-hold applications, high-speed integrators, high bandwidth active filters, and high frequency signal conditioning circuits. - What are the available package types for the AD843JNZ?
The AD843JNZ is available in PDIP-8, SOIC-16, Cerdip, and LCC packages. - What is the power supply range for the AD843JNZ?
The power supply range is ±4.5 V to ±18 V. - What is the quiescent current of the AD843JNZ?
The quiescent current is typically between 12 mA and 13 mA.
