F1978 Datasheet - Renesas

Digital Step Attenuator

F1978 Features

* Frequency: 5MHz to 3000MHz

* Serial and 6-bit parallel interface

* 31.5dB control range

* 0.5dB step

* Glitch-FreeTM technology, low transient overshoot

* 3.0V to 5.25V supply

* 1.8V or 3.3V control logic

* Attenuator step error: 0.1dB at 1GHz

* Low insertion lo

F1978 General Description

The F1978 Digital Step Attenuator (DSA) is a product in IDT’s Glitch-FreeTM DSA Family, which is optimized for the demanding requirements of CATV and satellite systems. It operates in the frequency range of 5MHz to 3000MHz. This device is offered in a compact 4mm  4mm, 20-pin Thin QFN package with .

F1978 Datasheet (3.85 MB)