Oscilloscopes and Digitizers

Digital oscilloscopes and digitizers are widely used troubleshooting, test and development instruments used to analyze time-domain signal characteristics. With modern devices packing more features and analysis options than ever before, ADI's portfolio of high-impedance, FET-input amplifiers, variable-gain amplifiers, ADC drivers, ADCs, clock distribution, high-speed comparators for trigger circuits, and embedded processors enable cutting-edge digital oscilloscope designs.

Oscilloscopes and Digitizers

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Evaluation Kits

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AD9689 - 2600EBZ

AD9689 - 2600EBZ Circuit Diagram

AD9689 - 2600EBZ Photo

Evaluation Kits

The AD9689-2600EBZ supports the AD9689-2600, a 14-bit, 2.6GSPS dual analog-to-digital converter (ADC). The device has an on-chip buffer and a sample-and-hold circuit designed for low power, small size, and ease of use. This device is designed support direct RF sampling analog signals of up to 5 GHz. The 3 dB bandwidth of the ADC input is greater than 9 GHz. The AD9689 is optimized for wide input bandwidth, high sampling rate, excellent linearity, and low power in a small package.


This reference design provides all of the support circuitry required to operate the ADC in its various modes and configurations. It is designed to interface directly with the ADS7-V2EBZ data capture card, allowing users to download captured data for analysis. The device control and subsequent data analyses can now be done using the ACE software package.

EVAL-AD9695

EVAL-AD9695 Circuit Diagram

Evaluation Kits

The AD9695-1300EBZ / AD9695-625EBZ supports the AD9695, a 14-bit, 1300MSPS / 625MSPS dual analog-to-digital converter (ADC). The device has an on-chip buffer and a sample-and-hold circuit designed for low power, small size, and ease of use. This device is designed to support direct RF sampling analog signals of up to 2 GHz. The AD9695 is optimized for wide input bandwidth, high sampling rate, excellent linearity, and low power in a small package.

This reference design provides all of the support circuitry required to operate the ADC in its various modes and configurations. It is designed to interface directly with the ADS7-V2EBZ data capture card, allowing users to download captured data for analysis. The device control and subsequent data analyses can now be done using the ACE software package.

The AD9695-1300EBZ can be used to evaluate the AD9697 as the performance is identical except for power consumption.

EVAL-ADA4625-1

EVAL-ADA4625-1 Circuit Diagram

EVAL-ADA4625-1 Photo

Evaluation Kits

UG-1201 describes the evaluation board for the ADA4625-1 low noise, fast settling, single supply, rail-to-rail output (RRO), junction field effect transistor (JFET) op amp in an 8-lead small outline integrated circuit (SOIC) package with an exposed pad. The design of this evaluation board emphasizes simplicity and ease of use. This evaluation board is a 2-layer board that accommodates edge mounted SubMiniature version A (SMA) connectors on the inputs and outputs. The SMA connectors allow efficient connection to test equipment or other circuitry.


The evaluation board ground plane, components placement, and power supply bypassing are optimized for maximum circuit flexibility and performance. The exposed pad of the ADA4625-1 is connected to the ground plane on the evaluation board to enhance thermal and noise performance. The evaluation board uses a combination of surface mount technology (SMT) component case sizes 0603 and 0805, with the exception of the bypass capacitors, Capacitor C3 and Capacitor C5, which have a maximum standard size of 1206. The evaluation board also features a variety of unpopulated resistor and capacitor pads, which provide the user with multiple choices and extensive flexibility for different application circuits and configurations, such as active loop filters, transimpedance amplifiers (TIAs), and charge amplifiers.


The ADA4625-1 data sheet covers the specifications and details of the device operation and application circuit configurations and guidance. Consult the data sheet in conjunction with UG-1201 for a better understanding of the device operation, especially when powering up the evaluation board for the first time.