Analog Devices Inc. DC2395A-D

Overview

DC2395A-D from Analog Devices (formerly Linear Technology) is an evaluation board for the LTC2320-14 octal 14-bit + sign SAR ADC. It enables full-speed (1.5 Msps/channel), simultaneous sampling of eight differential analog inputs with 81 dB SNR, ±1 LSB INL, and internal 4.096 V reference - designed for high-fidelity data acquisition in optical networking and multiphase motor control systems.

For engineers reviewing the DC2395A-D datasheet, DC2395A-D pinout, DC2395A-D application, or DC2395A-D equivalent, this page provides verified hardware configuration details, supported interface modes (CMOS/LVDS/DDR), on-board signal conditioning, FPGA-compatible timing alignment, and direct connection guidance to host processors or FPGAs.

Technical Context

The DC2395A-D implements a complete signal chain around the LTC2320-14, including precision low-noise op-amp front-end drivers (LT6200), configurable input ranges (±4.096 V, ±2.048 V, 0–4.096 V), and selectable CMOS or LVDS serial output modes. It supports both SDR and DDR clocking with matched CLKOUT skew for reliable FPGA capture.

All eight analog input channels are independently buffered and terminated, with dedicated REFOUT1–REFOUT4 decoupling (10 µF X5R + 0.1 µF ceramic), OVDD and VDD power sequencing control, and jumper-selectable reference source (internal buffer or external). The board operates across –40°C to 125°C ambient when paired with LTC2320HUKG-14.

Key Specifications

Availability

DC2395A-D is available at Aetrix Electronics and suitable for high-speed data acquisition, optical transceiver monitoring, and industrial motor control applications requiring stable component supply and rapid prototyping validation.

Supply support for DC2395A-D 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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving aerospace, industrial, communications, and medical markets.

The DC2395A-D belongs to ADI's Linear Technology evaluation board family, engineered to accelerate design-in of precision high-speed ADCs by providing production-ready signal integrity, timing alignment, and interface flexibility out-of-the-box.

FAQ

What is the primary function of the DC2395A-D?

The DC2395A-D is an evaluation board specifically designed for the LTC2320-14 octal 14-bit + sign SAR ADC. It provides a fully configured, tested hardware platform to evaluate simultaneous sampling performance, validate LVDS/CMOS interface timing, assess noise floor and dynamic range (81 dB SNR), and integrate the LTC2320-14 into FPGA- or processor-based data acquisition systems without custom layout effort.

Does the DC2395A-D support both CMOS and LVDS digital interfaces?

Yes, the DC2395A-D supports both CMOS and LVDS serial output modes for the LTC2320-14. Jumper settings configure CMOS/LVDS and SDR/DDR operation. In LVDS mode, it delivers matched-pair differential outputs (SDOA± through SDOC±) with 100 Ω termination and skew-compensated CLKOUT± - all verified per LTC2320-14 timing specs up to 1.5 Msps/channel.

Can the DC2395A-D operate with external voltage references?

Yes, the DC2395A-D supports external reference operation. By grounding REFBUFEN and applying a stable 1.25 V to 5 V reference to any REFOUTx pin (e.g., REFOUT1), users can override the internal 4.096 V buffer. The board includes dedicated filter pads and decoupling for external reference stability, preserving LTC2320-14's ±1 LSB INL and 81 dB SNR performance.

What analog input configurations does the DC2395A-D enable for the LTC2320-14?

The DC2395A-D supports true differential, pseudo-differential, and unipolar input configurations via front-end op-amp gain/offset networks. Each of the eight AINx± channels is independently configurable for ±4.096 V, ±2.048 V, or 0–4.096 V full-scale ranges using onboard jumpers and resistor networks - matching the LTC2320-14's guaranteed 102 dB CMRR and wide input common-mode range (0 V to VDD).

Is the DC2395A-D compatible with high-temperature operation?

Yes, the DC2395A-D is compatible with high-temperature operation when used with the LTC2320HUKG-14 variant (–40°C to 125°C). Its 4-layer PCB uses high-Tg FR-4, thermal vias under the exposed pad, and automotive-grade passive components. All critical paths - including REFOUT decoupling, LVDS routing, and power delivery - maintain specification compliance across the full industrial temperature range.