F1978 Datasheet Digital Step Attenuator

Manufacturer: Renesas

F1978 digital step attenuator by Renesas - Datasheet Preview

Datasheet Details

Part number	F1978
Manufacturer	Renesas
File Size	3.85 MB
Description	Digital Step Attenuator
Download	F1978 Download (PDF)

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 a 75Ω impedance for ease of integration.

Overview

6-Bit, 75Ω Digital Step Attenuator 5MHz to 3GHz F1978 Datasheet.

Key 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 loss: 1.2dB at 1GHz.
Ultra-linear IIP3: +64dBm.
IIP2: +125dBm typical.
Stable integral non-linearity over temperature.
Low current consumption: 550µA typical.
Bi-directional.

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	F1978	Digital Step Attenuator	IDT

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