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DC2290A-E - ​LTC2385-18 Demo Board | 18-Bit, 5Msps SAR ADC (Requires DC718 & ADC Driver board)

Demonstration circuit 2290A features the LTC2387 family. With up to 15Msps, these differential input, single channel, 18-/16-Bit, serial, high speed successive approximation register (SAR) ADCs are available in a 32-Pin QFN package. The LTC2387 family has an internal 20ppm/°C reference and a serial LVDS interface. The following text refers to the LTC2387 but applies to all members of the family, the only difference being the sample rate and the number of bits. The DC2290A demonstrates the AC performance of the LTC2387 in conjunction with the DC718 data collection board. Differential amplifier demo boards are available separately that provide amplification of low level differential signals if required (see Table 2). Alternatively, by connecting the DC2290A into a customer application the performance of the LTC2387 can be evaluated directly in that circuit.

DC2290A Schematic

Figure 1. DC2290A Connection Diagram


Companion Demo Boards

DC2402A - LT6237 ADC Driver Board | Driver for LTC2387 family, Input Frequencies up to 8kHz
DC2403A - LT6200 ADC Driver Board | Driver for LTC2387 family, Input Frequencies up to 1MHz
DC2512A - HSMC Adapter for DC718-Compatible Demo Boards
DC2622A - ADA4899-1 ADC Driver Board | Low Noise ADC Driver for LTC2387 family, Input Frequencies >1MHz
DC2623A - LTC6404-1 + AD8002 ADC Driver Board | Low Distortion ADC Driver for LTC2387 family, Input Frequencies >1MHz
DC718C - USB Data Acquisition Controller, for PScope Evaluation Kits (<135Mbps)



The PScope System is a USB-based product demonstration and data acquisition system for use with Linear Technology’s high performance ADCs and signal chain receiver family. PScope allows users to evaluate the SNR, SFDR, THD, as well as other key parameters, quickly and easily.  Use PScope software with the DC718, DC890 and DC1371 Data Collection Boards.

Click here to download PScope


LinearLabTools is a collection of Matlab and Python programs that provide direct access to Linear Technology’s data converter evaluation boards.  An evaluation board for a data converter will typically plug into an accompanying controller board, which is then connected to a host computer running a Linear supplied GUI program such as PScope for Analog-to-Digital converters or LTDACgen for Digital-to-Analog converters. The GUI allows basic performance measurements to be made, but it is not designed to run arbitrary sequences of tests or communicate with other hardware, as is often required by customers when evaluating a part for their own application. LinearLabTools allows customers to control Linear’s data converter demo boards as they would any other piece of test equipment, using their own software.

The LinearLabTools package also contains various application examples, simulations, and educational programs that demonstrate mixed signal concepts.

Click here for more information and to download the software