AD9148 is a Quad 16-Bit,1 GSPS, TxDAC+ Digital-to-Analog Converter from Analog Devices. It features high performance, low noise and low power consumption, making it suitable for applications such as LTE, TD-SCDMA, WiMAX, W-CDMA, CDMA2000, GSM and MIMO/transmit diversity.
The AD9148 is a quad, 16‑bit, high‑dynamic‑range DAC offering a 1 GSPS sample rate. It includes programmable gain, phase, and offset compensation and supports various LVDS data interfaces for high‑speed applications such as wireless infrastructure and MIMO transmitters.
The data sheet details functional blocks, pin configurations, DC and AC specifications, timing parameters, thermal characteristics, and ordering information, enabling designers to integrate the device into high‑performance RF and baseband systems.
| Resolution | 16 Bits |
|---|---|
| Full‑Scale Output Current | 8.66 – 31.66 mA |
| CMOS Input Logic High (1.8 V IOVDD) | 1.2 V |
| Output Resistance | 10 MΩ |
| Maximum Sample Rate | 1000 MSPS |
The AD9148 can operate at a maximum sample rate of 1000 MSPS.
The analog supply AVDD33 is specified from 3.13 V to 3.47 V.
The device can deliver a full‑scale output current between 8.66 mA and 31.66 mA.