on May 6th 2,570

AD8130AR Amplifier Guide: Features, Pinout, Applications and Datasheet

This guide is all about the AD8130AR, a high-speed amplifier. It’s designed to take signals from twisted-pair cables (the kind often used in networks) and turn them into clean, single-ended signals that other parts of a system can use. In this article, you'll learn what the AD8130AR does, how it works inside, where you can use it, and what versions are available for different needs.

Catalog

AD8130AR Overview

The AD8130AR is a high-speed differential receiver amplifier designed for precision signal transmission over twisted-pair cables. As part of the AD8129/AD8130 family, it excels in converting differential signals to single-ended outputs with excellent signal fidelity. With a wide −3 dB bandwidth of 270 MHz and an exceptional slew rate of 1090 V/µs, it is ideal for transmitting analog or digital video and high-speed data. The AD8130AR provides superb common-mode rejection measured at 94 dB at low frequencies and 70 dB at 10 MHz, allowing it to operate effectively even over low-cost, unshielded cabling. It supports a wide power supply range, from a single +4.5 V to dual ±12.6 V rails, enabling use across diverse system voltages without the need for isolation transformers. The AD8130 is unity-gain stable and best suited for high-bandwidth, low-gain applications.

If you're looking for reliable, high-performance receiver amplifiers, the AD8130AR is a great choice. Place your bulk order with us today to keep your high-speed systems running smoothly with consistent, low-noise signal handling.

AD8130AR Pin Configuration

Pin Number	Pin Name	Description
1	+IN	Non-inverting input (positive differential input)
2	–VS	Negative power supply voltage
3	PD̅	Power-down control (active low)
4	REF	Reference voltage input (sets output common mode)
5	FB	Feedback pin (for setting gain or stability)
6	OUT	Output of the amplifier
7	+VS	Positive power supply voltage
8	–IN	Inverting input (negative differential input)

AD8130AR CAD Models

AD8130AR Symbol

AD8130AR Footprint

AD8130AR 3D Model

AD8130AR Features

High Bandwidth: The AD8130AR supports a −3 dB bandwidth of 270 MHz at unity gain, allowing it to handle fast analog and digital signals with minimal loss or delay. This makes it suitable for high-frequency applications such as video transmission and high-speed data links.

Fast Slew Rate: With a very high slew rate of 1090 volts per microsecond, the amplifier can respond quickly to rapid changes in input signal, ensuring sharp signal transitions and reducing distortion in fast-changing waveforms.

Excellent Common-Mode Rejection Ratio (CMRR): The AD8130AR achieves 94 dB CMRR from DC to 100 kHz, 80 dB at 2 MHz, and 70 dB at 10 MHz. This allows it to reject unwanted noise or interference that appears equally on both inputs, even at high frequencies for use with unshielded twisted-pair cables.

High Input Impedance: Its high input impedance ensures minimal loading on the signal source, preserving signal integrity and making it easier to interface with other circuits.

Wide Input Common-Mode Voltage Range: The wide common-mode range means the amplifier can accept input voltages that swing far above or below ground without distortion, even without the use of transformers.

Low Input Noise: The AD8130AR maintains a low noise floor, making it suitable for precision applications such as instrumentation and medical devices.

Low Distortion: The amplifier offers very low total harmonic distortion, measured at −79 dBc for a 1 V p-p signal at 5 MHz. This ensures accurate signal reproduction in applications such as video or RF baseband transmission.

Wide Power Supply Range: It can operate from a single supply starting at +4.5 V or from dual supplies up to ±12.6 V, offering compatibility with a wide range of system voltages and improving design adaptability.

Power-Down Function: The integrated power-down pin allows to disable the device when not needed, conserving power in battery-operated or energy-sensitive applications.

AD8130 Block Diagram

The block diagram illustrates the internal structure of the AD8130 and its variant AD8130AR, both of which function as differential receiver amplifier. At the core of the device are two internal differential amplifiers arranged to process a single-ended input signal (V_IN) and produce a differential output. The signal enters at Pin 1 (non-inverting input) and flows through two matched internal amplifiers that maintain excellent common-mode rejection and signal fidelity. Pin 5 is grounded through resistor RG, while feedback resistor RF connects the output back to the inverting path, setting the gain according to the formula:

This feedback arrangement ensures stability and precise gain control. Power is supplied to the device via Pins 2 and 7, which are connected to the negative and positive supply rails respectively (-VS and +VS). Pin 6 outputs the final amplified signal, and Pin 3 (PD) allows for power-down control to save power when the device is not in use. The internal differential architecture minimizes distortion and external interference, making the AD8130 series suitable for demanding high-speed applications such as precision video signal distribution over twisted-pair lines.

AD8130AR Specifications

Type	Parameter
Manufacturer	Analog Devices Inc.
Packaging	Tube
Part Status	Obsolete
Amplifier Type	Differential
Number of Circuits	1
Slew Rate	1100 V/µs
-3dB Bandwidth	290 MHz
Current - Input Bias	500 nA
Voltage - Input Offset	400 µV
Current - Supply	13 mA
Current - Output / Channel	40 mA
Voltage - Supply Span (Min)	4.5 V
Voltage - Supply Span (Max)	25.2 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	AD8130

AD8130AR Applications

High-Speed Differential Line Receivers

The AD8130AR is purpose-built to receive high-frequency differential signals transmitted over twisted-pair cables. Its excellent common-mode rejection and wide bandwidth ensure the signal remains clean and accurate even when external electrical noise is present. This makes it ideal for use in industrial automation, communication links, or environments where EMI and crosstalk are concerns.

Differential-to-Single-Ended Conversion

In many systems, signals are transmitted in differential form for noise immunity but must be converted to single-ended signals for further processing. The AD8130AR handles this conversion with minimal distortion and wide voltage support, enabling clean and efficient interfacing between differential outputs and single-ended ADCs, DSPs, or analog systems.

High-Speed Instrumentation Amplifiers

Thanks to its high input impedance, low noise, and exceptional linearity, the AD8130AR is well-suited for instrumentation applications. It allows precise differential measurements and amplification without adding system noise, making it valuable in scientific, medical, or industrial sensor interfaces.

Level Shifting Applications

The AD8130AR accommodates a wide input common-mode voltage range, allowing it to shift voltage levels between systems with differing ground potentials. This is useful in systems that span long distances or connect different power domains without requiring isolation transformers or additional hardware.

Analog and Digital Video Signal Transmission

With its wide bandwidth and low distortion, the AD8130AR is ideal for transmitting analog or digital video signals over twisted-pair cables. It preserves image clarity and timing integrity, making it suitable for video surveillance systems, broadcast equipment, or machine vision setups requiring long-distance transmission.

High-Speed Data Transmission Systems

In data communication systems, signal degradation over distance is a major concern. The AD8130AR mitigates this by maintaining high signal fidelity even over extended cable lengths, ensuring that fast digital signals arrive intact. It's a great choice for systems like Ethernet over twisted pair, data acquisition units, or digital control backplanes.

AD8130AR Similar Parts

• AD8130ARZ-REEL

The AD8130ARZ-REEL is functionally identical to the AD8130AR, featuring the same 270 MHz bandwidth, 1090 V/µs slew rate, and high CMRR. The key difference lies in its packaging format, this version comes in a lead-free, RoHS-compliant reel suitable for automated SMT (Surface Mount Technology) assembly. It is ideal for high-volume manufacturing environments seeking environmental compliance and efficient production processes.

• AD8130ARMZ-REEL

This variant, AD8130ARMZ-REEL, shares all core electrical characteristics of the AD8130AR but comes in a Mini Small Outline Package (MSOP-8) rather than the standard SOIC. The MSOP format offers a smaller footprint, making it ideal for compact or space-constrained PCB designs without compromising performance. It is a top choice for portable or dense embedded systems.

• AD8130ARMZ-REEL7

The AD8130ARMZ-REEL7 is the same device as the ARMZ-REEL version but supplied in a 7-inch tape-and-reel format optimized for specific pick-and-place systems. It maintains the same high-speed, low-distortion characteristics, offering convenience for assembly lines that require tighter reel tolerances or smaller batch runs.

AD8130AR Advantages

Active Feedback Architecture

Unlike traditional op-amps, the AD8130AR uses an active feedback design that separates the input and feedback paths. This reduces the interaction between signal and feedback, improving stability and minimizing distortion. It also enhances the device's ability to reject common-mode noise, making it more suitable for differential signal processing over long distances.

High Bandwidth and Slew Rate

The amplifier offers a bandwidth of 270 MHz and a lightning-fast slew rate of 1090 V/µs. These characteristics allow it to handle fast edges and high-frequency content with minimal delay or signal loss, making it ideal for applications like video transmission, RF baseband, or digital communication systems.

Low Distortion and Noise

With an input noise level of just 12.5 nV/√Hz and harmonic distortion as low as −79 dBc at 5 MHz, the AD8130AR ensures clean, high-fidelity signal amplification. This makes it ideal for sensitive instrumentation and precision data acquisition.

AD8130AR Packaging Dimensions

Package Dimensions

Parameter	Dimension (mm)
Body Width	3.80 – 4.00
Body Length	4.80 – 5.00
Overall Width (with leads)	5.80 – 6.20
Body Height	1.35 – 1.75
Lead Pitch (Pin Spacing)	1.27 (BSC)
Lead Width	0.25 – 0.50
Lead Thickness	0.17 – 0.25
Lead Length (from package)	0.40 – 1.27
Standoff Height	0.10 – 0.25
Coplanarity	0.10 (Max)
Lead Bend Angle	0° – 8°

Package Outline

AD8130AR Manufacturer

The AD8130AR is manufactured by Analog Devices Inc. (ADI), a globally renowned semiconductor company recognized for its leadership in high-performance analog, mixed-signal, and digital signal processing technologies. Founded in 1965 and headquartered in Wilmington, Massachusetts, ADI has built a strong reputation for delivering precision components that power everything from industrial automation and instrumentation to communications infrastructure and advanced consumer electronics. Analog Devices emphasizes quality, innovation, and long-term reliability, making its components, including the AD8130AR trusted solutions in demanding engineering environments. With extensive design support, robust documentation, and proven manufacturing excellence, ADI ensures that the AD8130AR meets rigorous standards for signal fidelity and system performance.

Conclusion

The AD8130AR is a smart choice when you need a reliable amplifier that keeps signals clean, even over long cables or in noisy places. It has a wide range of uses from video systems and high-speed data to test equipment and sensors. It works well with different power supplies and comes in several package types to fit various designs. Its strong performance, low noise, and trusted quality from Analog Devices make it great for anyone building fast and accurate electronics.

Datasheet PDF

AD8130AR Datasheets:

EOL Lead (Pb)-Bearing 07/Oct/2016.pdf

AD8129/30.pdf