The LTC1740 is a 14‑bit, 6 Msps sampling analog‑to‑digital converter from Linear Technology. It operates from a single 5 V supply or dual ±5 V supplies, drawing only 245 mW. The device features true differential inputs with 75 dB CMRR, programmable reference, and a 36‑lead SSOP package.
Key specifications include 6 Msps sample rate, 80 MHz full‑power bandwidth, 79 dB S/(N+D) and 91 dB SFDR at 2.5 MHz, and flexible input ranges of +2.5 V or +1.25 V. The datasheet provides detailed pin functions, timing characteristics, and recommended layout information.
| Sample Rate | 6 Msps |
|---|---|
| Power Dissipation | 245 mW |
| Full‑Power Bandwidth | 80 MHz |
| Input Range | +2.5 V / +1.25 V bipolar |
| Common‑Mode Rejection Ratio | 75 dB |
| Package | 36‑Lead SSOP (0.209 in width) |
The LTC1740 provides a 75 dB common‑mode rejection ratio.
The device supports up to 6 Msps sampling frequency.
Pin 1 is the positive analog input.