AD9625

RECOMMENDED FOR NEW DESIGNS

12-Bit, 2.6 GSPS/2.5 GSPS/2.0 GSPS, 1.3 V/2.5 V Analog-to-Digital Converter

Analog Devices AD9625 Product Info

10 February 2026 6

Features

12-bit 2.5 GSPS ADC, no missing codes
SFDR = 79 dBc, AIN up to 1 GHz at −1 dBFS, 2.5 GSPS
SFDR = 77 dBc, AIN up to 1.8 GHz at −1 dBFS, 2.5 GSPS
SNR = 57.6 dBFS, AIN up to 1 GHz at −1 dBFS, 2.5 GSPS
SNR = 57 dBFS, AIN up to 1.8 GHz at −1 dBFS, 2.5 GSPS
Noise spectral density = −149.5 dBFS/Hz at 2.5 GSPS
Differential analog input: 1.2 V _P-P

Differential clock input
3.2 GHz analog input bandwidth, full power
High speed 6- or 8-lane JESD204B serial output Subclass 1: 6.50 Gbps at 2.6 GSPS
Two independent decimate by 8 or decimate by 16 filters with 10-bit NCOs
Supply voltages: 1.3 V, 2.5 V

Flexible digital output modes
Built-in selectable digital test patterns

Timestamp feature
Conversion error rate < 10⁻¹⁵

Part details & applications

The AD9625 is a 12-bit monolithic sampling analog-to-digital converter (ADC) that operates at conversion rates of up to 2.6 giga samples per second (GSPS). This product is designed for sampling wide bandwidth analog signals up to the second Nyquist zone. The combination of wide input bandwidth, high sampling rate, and excellent linearity of the AD9625 is ideally suited for spectrum analyzers, data acquisition systems, and a wide assortment of military electronics applications, such as radar and jamming/antijamming measures.

The analog input, clock, and SYSREF± signals are differential inputs. The JESD204B-based high speed serialized output is configurable in a variety of one-, two-, four-, six-, or eight-lane configurations. The product is specified over the industrial temperature range of −40°C to +85°C.

PRODUCT HIGHLIGHTS

High performance: exceptional SFDR in high sample rate applications, direct RF sampling, and on-chip reference.
Flexible digital data output formats based on the JESD204B specification.
Control path SPI interface port that supports various product features and functions, such as data formatting, gain, and offset calibration values.

APPLICATIONS

Spectrum analyzers
Military communications
Radar
High performance digital storage oscilloscopes
Active jamming/antijamming
Electronic surveillance and countermeasures

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