Analog Devices Inc. DC2395A-E

Overview

DC2395A-E from Analog Devices is an evaluation board for the LTC2324-14, a quad 14-bit + sign SAR ADC with simultaneous sampling, 2 Msps per channel, 81 dB SNR at 500 kHz, and integrated 4.096 V temperature-compensated reference - designed for high-fidelity data acquisition in multiphase motor control and optical networking systems.

For engineers reviewing the DC2395A-E datasheet, DC2395A-E pinout, DC2395A-E application, or DC2395A-E equivalent, this page delivers verified hardware interface details, supported ADC configuration modes (CMOS/LVDS, SDR/DDR), power supply requirements (3.3 V/5 V VDD, 1.8–2.5 V OVDD), thermal operating range (–40°C to 125°C), and direct compatibility with the LTC2324-14's 52-lead QFN package.

Technical Context

The DC2395A-E implements full-featured signal conditioning and clocking infrastructure for the LTC2324-14, including precision decoupling (10 µF X5R + 0.1 µF ceramic per REFOUT and VDD), configurable LVDS/CMOS I/O termination, and selectable SDR/DDR serial interface timing. It supports all four differential analog input channels (AIN1± through AIN4±) with independent 4.096 V buffered references per channel.

Board-level design enables simultaneous sampling validation via synchronized CNV edge triggering, CLKOUT skew-matched output routing, and flexible reference configuration (internal buffer enabled via REFBUFEN tied to VDD or disabled for external reference injection at REF/REFOUTx pins). The layout adheres to high-speed ADC layout best practices: solid ground plane, exposed pad soldered, and minimized trace lengths for analog and clock paths.

Key Specifications

Availability

DC2395A-E is available at Aetrix Electronics and suitable for high-speed data acquisition systems, optical transceiver monitoring, multiphase motor current sensing, and communications baseband receiver designs requiring stable component supply and rapid prototyping capability.

Supply support for DC2395A-E includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, and communications markets.

The DC2395A-E belongs to Analog Devices' Linear Technology evaluation board product line, engineered to accelerate system-level validation of high-speed, multi-channel SAR ADCs in real-world signal chain environments.

FAQ

What is the primary function of the DC2395A-E evaluation board?

The DC2395A-E evaluation board is a fully assembled and tested platform designed specifically to evaluate the LTC2324-14 quad 14-bit + sign SAR ADC. It provides all necessary signal conditioning, clock distribution, reference buffering, and digital interface circuitry to validate DC2395A-E performance under real-world conditions - including simultaneous sampling, LVDS/CMOS mode switching, and SDR/DDR serial data capture - without requiring custom PCB development.

Does the DC2395A-E support both CMOS and LVDS digital interfaces for the LTC2324-14?

Yes, the DC2395A-E supports both CMOS and LVDS digital I/O modes for the LTC2324-14. Jumper configuration sets the CMOS/LVDS pin (Pin 25) to GND for CMOS operation (1.8 V or 2.5 V OVDD) or to OVDD for standard or low-power LVDS. The board includes proper 100 Ω differential termination networks for LVDS outputs (SDOA± through SDOD±, CLKOUT±) and matched-length routing to maintain signal integrity at up to 110 MHz SCK rates.

How is the internal reference configured on the DC2395A-E for the LTC2324-14?

The DC2395A-E configures the LTC2324-14's internal reference by default with REFBUFEN (Pin 43) tied to VDD, enabling all four onboard 4.096 V reference buffers (REFOUT1–4). Each REFOUT pin is decoupled with a 10 µF X5R ceramic capacitor. To use an external reference, the REFBUFEN jumper is opened (grounded), allowing external voltage (1.25 V to 5 V) to be applied to REF or individual REFOUTx pins - a configuration validated on the DC2395A-E layout.

Can the DC2395A-E operate across the full industrial temperature range of the LTC2324-14?

Yes, the DC2395A-E is designed and tested to operate across the full –40°C to 125°C temperature range specified for the LTC2324H grade. Critical components-including decoupling capacitors (X5R dielectric rated to 125°C), precision resistors, and the LTC2324-14 itself-are selected for extended temperature reliability. Thermal vias under the exposed pad and robust ground plane ensure stable thermal performance during sustained 2 Msps/channel operation.

What software and documentation accompany the DC2395A-E evaluation board?

The DC2395A-E ships with the official DC2395A-E demo manual (DC2395AEB), schematic, layout files, and compatible QuikEval™ software from Analog Devices. This software enables real-time data capture, FFT analysis, histogram generation, and INL/DNL measurement directly from the board via USB interface. All documentation is hosted on analog.com and cross-referenced to the LTC2324-14 datasheet (232414f) for traceable parameter validation.