Quick Start Guide for Demonstration Circuit 782: 10/12/14-Bit 10 to 125 MSPS ADC
Quick start guide for the DC782A evaluation board, supporting 10, 12, and 14-bit high-speed ADCs (10 MSPS to 125 MSPS) including LTC2249, LTC2229, and LTC2255.
Overview
This document describes the DC782 demonstration circuit, which facilitates the evaluation of a family of high-speed, high dynamic range 10, 12, and 14-bit analog-to-digital converters (ADCs). The board supports sample rates from 10 MSPS to 125 MSPS across various models, including the LTC2249, LTC2229, and LTC2255. It provides detailed setup instructions, jumper configurations, and performance summaries. The guide also outlines analog front-end circuit optimizations for specific input frequency ranges: below 70 MHz, 70 MHz to 170 MHz, and 170 MHz to 300 MHz. Users can interface the DC782 with data acquisition systems like the DC718 for signal analysis via PScope software.
Use Cases
- High-speed data acquisition evaluation
- ADC performance characterization
- Analog front-end design verification
- System-level prototyping with 10/12/14-bit ADCs
Topics
Referenced Parts
Linear Technology
LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
Demonstration circuit 782 supports a family of 10/12/14 BIT 10 TO 125 MSPS ADCs. Each assembly features one of the following devices: LTC2236...
Linear Technology
LTC2236, LTC2237, LTC2238, LTC2239, LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2238, LTC2239, LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2239, LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
Linear Technology
LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
LTC2225
Linear Technology
LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255
LTC2252
Linear Technology
LTC2252, LTC2253, LTC2254, or LTC2255
LTC2253
Linear Technology
LTC2253, LTC2254, or LTC2255
LTC2254
Linear Technology
LTC2254, or LTC2255
2.5V
Maxim
(ALVCH16373 output buffer, Vcc = 2.5V) Maximum Logic Low @ 1.6mA 0.7V (33ΩSeries terminations)
| ETC1-1-13 | MA/COM | T1 = MA/COM ETC1-1-13 |
| ETC1-1T | MA/COM | T1 = MA/COM ETC1-1T |
| LTC2226 | Linear Technology | LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2227 | Linear Technology | LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2228 | Linear Technology | LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2229 | Linear Technology | LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2236 | Linear Technology | Demonstration circuit 782 supports a family of 10/12/14 BIT 10 TO 125 MSPS ADCs. Each assembly features one of the following devices: LTC2236... |
| LTC2237 | Linear Technology | LTC2236, LTC2237, LTC2238, LTC2239, LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2238 | Linear Technology | LTC2238, LTC2239, LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2239 | Linear Technology | LTC2239, LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2245 | Linear Technology | LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2246 | Linear Technology | LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2247 | Linear Technology | LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2248 | Linear Technology | LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2249 | Linear Technology | LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2250 | Linear Technology | LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2251 | Linear Technology | LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2255 | Linear Technology | LTC2254, or LTC2255 |
| LTC2225 | Linear Technology | LTC2225, LTC2226, LTC2227, LTC2228, LTC2229, LTC2245, LTC2246, LTC2247, LTC2248, LTC2249 LTC2250, LTC2251, LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2252 | Linear Technology | LTC2252, LTC2253, LTC2254, or LTC2255 |
| LTC2253 | Linear Technology | LTC2253, LTC2254, or LTC2255 |
| LTC2254 | Linear Technology | LTC2254, or LTC2255 |
| 2.5V | Maxim | (ALVCH16373 output buffer, Vcc = 2.5V) Maximum Logic Low @ 1.6mA 0.7V (33ΩSeries terminations) |