The AD9255 is a 14‑bit, 105 MSPS analog‑to‑digital converter (ADC) designed for communications applications where high performance, low cost, small size, and versatility are required. Its wide‑bandwidth differential sample‑and‑hold input amplifier supports multiple user‑selectable input ranges.

| Parameter | Specification | |-----------|---------------| | Resolution | 14 bits | | Sample Rate | 105 MSPS | | Supply Voltage | 1.8V (1.7V–1.9V) | | SNR | 78.3 dB / 79.2 dBFS @ 2.4 MHz | | INL | 0.9 LSB | | Input Type | Differential / Single‑ended | | Interface | SPI | | Operating Temp | -40°C ~ +85°C | | Package | 48‑LFCSP |

- 1.8 V analog supply operation - Programmable internal ADC voltage reference - Integrated ADC sample‑and‑hold input - ADC clock duty cycle stabilizer - Serial port control - User‑configurable built‑in self‑test (BIST) - Power‑down mode for energy saving - Optional on‑chip dithering

- Multimode digital receivers (3G, GSM, EDGE, W‑CDMA, LTE, CDMA2000, WiMAX, TD‑SCDMA) - Smart antenna systems - General‑purpose software radios - Broadband data applications - Ultrasound equipment - Instrumentation and medical imaging ---