Alternative Parts
ADA4891-1
Higher Bandwidth, Lower noise, low Ibias (CMOS), but reduced supply range (5V instead of 10V)
Overview
Features and Benefits
- High speed
130 MHz, −3 dB bandwidth
375 V/μs slew rate
55 ns settling time to 0.1% - Excellent video specifications
0.1 dB flatness: 11 MHz
Differential gain: 0.08%
Differential phase: 0.09° - Fully specified at +3 V, +5 V, and ±5 V supplies
- Rail-to-rail output
Output swings to within 60 mV of either rail - Low voltage offset: 0.6 mV
- Wide supply range: 2.7 V to 12 V
- Low power: 2.5 mA per amplifier
- Power-down mode
- Available in space-saving packages:
6-lead SOT-23, 8-lead MSOP, and 14-lead TSSOP - Fully AEC-Q100 qualified (ADA4851-2W and ADA4851-4W)
Product Details
The ADA4851-1 (single), ADA4851-2 (dual), and ADA4851-4 (quad) are low cost, high speed, voltage feedback rail-to-rail output op amps. Despite their low price, these parts provide excellent overall performance and versatility. The 130 MHz, −3 dB bandwidth and high slew rate make these amplifiers well suited for many general-purpose, high speed applications.The ADA4851 family is designed to operate at supply voltages as low as +3 V and up to ±5 V. These parts provide true single-supply capability, allowing input signals to extend 200 mV below the negative rail and to within 2.2 V of the positive rail. On the output, the amplifiers can swing within 60 mV of either supply rail.
With their combination of low price, excellent differential gain (0.08%), differential phase (0.09º), and 0.1 dB flatness out to 11 MHz, these amplifiers are ideal for consumer video applications.
The ADA4851 family is designed to work over the extended temperature range (−40°C to +125°C). The ADA4851-4W and ADA4851-2W are automotive grade versions, qualified for −40°C to +125°C operation per AEC-Q100. See the Automotive Products section for more details.
Applications- Automotive infotainment systems
- Automotive driver assistance systems
- Consumer video
- Professional video
- Video switchers
- Active filters
- Clock buffers
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.
Evaluation Kits (1)
Documentation & Resources
-
AN-1520: Low Cost Differential Video Receiver Using the ADA4851-1 Amplifier and the ADV7180 Video Decoder (Rev. D)12/21/2017PDF138 K
-
AN-402: Replacing Output Clamping Op Amps with Input Clamping Amps2/14/2015PDF55 kB
-
AN-581: Biasing and Decoupling Op Amps in Single Supply Applications (Rev. 0)2/14/2015PDF166 kB
-
MT-053: Op Amp Distortion: HD, THD, THD + N, IMD, SFDR, MTPR2/14/2015PDF104 kB
-
MT-052: Op Amp Noise Figure: Don't Be Misled2/14/2015PDF60 kB
-
MT-050: Op Amp Total Output Noise Calculations for Second-Order System2/14/2015PDF38 kB
-
MT-049: Op Amp Total Output Noise Calculations for Single-Pole System2/14/2015PDF40 kB
-
MT-048: Op Amp Noise Relationships: 1/f Noise, RMS Noise, and Equivalent Noise Bandwidth2/14/2015PDF81 kB
-
MT-047: Op Amp Noise2/14/2015PDF72 kB
-
MT-060: Choosing Between Voltage Feedback and Current Feedback Op Amps2/14/2015PDF62 kB
-
MT-059: Compensating for the Effects of Input Capacitance on VFB and CFB Op Amps Used in Current-to-Voltage Converters2/14/2015PDF69 kB
-
MT-033: Voltage Feedback Op Amp Gain and Bandwidth2/14/2015PDF251 kB
-
MT-058: Effects of Feedback Capacitance on VFB and CFB Op Amps2/14/2015PDF66 kB
-
MT-056: High Speed Voltage Feedback Op Amps2/3/2009PDF109 kB
-
MT-032: Ideal Voltage Feedback (VFB) Op Amp12/11/2008PDF65 kB
-
Amplifiers for Video Distribution3/8/2008PDF115 kB
-
High Speed Amplifiers Selection Table2/27/2008PDF77 kB
-
Inexpensive High-Speed Amplifiers Make Flexible Clock Buffers5/1/2008 Analog Dialogue
Tools & Simulations
Precision ADC Driver Tool
The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input
SPICE Models
CIR
ADA4851-1 SPICE Macro Model
3.92 K
Design Tools
Analog Filter Wizard
Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.
Analog Photodiode Wizard
Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.
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 |
|---|---|---|---|---|
| ADA4851-1WYRJZ-R7 | Material Declaration | Reliability Data | 6-Lead SOT-23 | |
| ADA4851-1YRJZ-RL7 | Material Declaration | Reliability Data | 6-Lead SOT-23 | |
| 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.
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
Selecting the Sample button above 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.
Evaluation Boards
Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.