Overview
Features and Benefits
- Unity-Gain Bandwidth: 40 MHz
- Fast Settling: 110 ns to 0.01%
- Slew Rate: 300 V/µs
- Full Power Bandwidth:
4.7 MHz for 20 V p-p into a 500 Ω load - Input Offset Voltage: 1mV max
- Input Voltage Noise:
15 nV/√Hz typ - Open-loop gain:
45 V/mV into a 1 kΩ load - Output current: 50 mA min
- Supply current: 12 mA max
Product Details
The AD841 is a member of the Analog Devices, Inc., family of wide bandwidth operational amplifiers. This high speed/high precision family includes the AD842, which is stable at a gain of two or greater and has 100 mA minimum output current drive. These devices are fabricated using Analog Devices’ junction isolated complementary bipolar (CB) process. This process permits a combination of dc precision and wideband ac performance previously unobtainable in a monolithic op amp. In addition to its 40 MHz unity-gain bandwidth product, the AD841 offers extremely fast settling characteristics, typically settling to within 0.01% of final value in 110 ns for a 10 V step.
Unlike many high frequency amplifiers, the AD841 requires no external compensation. It remains stable over its full operating temperature range. It also offers a low quiescent current of 12 mA maximum, a minimum output current drive capability of 50 mA, a low input voltage noise of 15 nV/√Hz, and low input offset voltage of 1 mV maximum.
The 300 V/µs slew rate of the AD841, along with its 40 MHz gain bandwidth, ensures excellent performance in video and pulse amplifier applications. This amplifier is well suited for use in high frequency signal conditioning circuits and wide bandwidth active filters. The extremely rapid settling time of the AD841 makes it the preferred choice for data acquisition applications that require 12-bit accuracy. The AD841 is also appropriate for other applications such as high speed DAC and ADC buffer amplifiers and other wide bandwidth circuitry.
Applications
- High Speed Signal Conditioning
- Video and Pulse Amplifiers
- Data Acquisition Systems
- Line Drivers
- Active Filters
- Audio
- Available in 14-pin plastic PDIP, 14-pin hermetic CERDIP, and 20-pin LCC packages
- Chips and MIL-STD-883B parts available
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
-
MT-053: Op Amp Distortion: HD, THD, THD + N, IMD, SFDR, MTPR2/14/2015
-
MT-052: Op Amp Noise Figure: Don't Be Misled2/14/2015
-
MT-050: Op Amp Total Output Noise Calculations for Second-Order System2/14/2015
-
MT-049: Op Amp Total Output Noise Calculations for Single-Pole System2/14/2015
-
MT-048: Op Amp Noise Relationships: 1/f Noise, RMS Noise, and Equivalent Noise Bandwidth2/14/2015
-
MT-047: Op Amp Noise2/14/2015
-
MT-060: Choosing Between Voltage Feedback and Current Feedback Op Amps2/14/2015
-
MT-059: Compensating for the Effects of Input Capacitance on VFB and CFB Op Amps Used in Current-to-Voltage Converters2/14/2015
-
MT-033: Voltage Feedback Op Amp Gain and Bandwidth2/14/2015
-
MT-058: Effects of Feedback Capacitance on VFB and CFB Op Amps2/14/2015
-
MT-056: High Speed Voltage Feedback Op Amps2/3/2009
-
MT-032: Ideal Voltage Feedback (VFB) Op Amp12/11/2008
Tools & Simulations
Design Tool
VRMS/dBm/dBu/dBV calculators
A utility to convert between standard units of power measurement and signal strength.
Power Dissipation vs Die Temp
This tool estimates die temperature and power dissipation based on the supply voltages, ambient temperature, load characteristics, and package thermal data.
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| 5962-89641012A | Material Declaration | Reliability Data | 20 ld LCC | |
| AD841JNZ | Material Declaration | Reliability Data | 14-Lead PDIP | |
| AD841SE/883B | Material Declaration | Reliability Data | 20-Lead LCC | |
| AD841SQ | Material Declaration | Reliability Data | 14-Lead CerDIP | |
| AD841SQ/883B | Material Declaration | Reliability Data | 14-Lead CerDIP | |
| Wafer Fabrication Data |
PCN-PDN Information
Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.
Support & Discussions
AD841 Discussions
Sample & Buy
Ordering FAQs
See our Ordering FAQs for answers to questions about online orders, payment options and more.
Buy Now Pricing
(**) Displayed Buy Now Price and Price Range is based on small quantity orders.
List Pricing
(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Lead Times
Please see the latest communication from our CCO regarding lead times.
Sampling
A Sample link will be shown above, next to the part, only for parts that are included in our sample program. Selecting the Sample button will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.