RFSA3715数据手册Qorvo中文资料规格书

描述 Description

Qorvo's RFSA3715 is a 7-bit digital step attenuator (DSA) that features high linearity over the entire 31.75dB gain control range with 0.25dB steps. The RFSA3715 features three modes of control: serial addressable, latched parallel and direct parallel programming. The RFSA3715 has a low insertion loss of 1.5dB at 2GHz. Patent pending circuit architecture providing overshoot-free transient switching performance. External address pins allow up to eight DSAs to be controlled on a single bus. The RFSA3715 is available in a 5mm x 5mm QFN package.

特性 Features

• 7-Bit, 31.75dB Range, 0.25dB Step
• Patent Pending Circuit Architecture
• Overshoot-free Transient Switching Performance
• Frequency Range 5MHz to 4000MHz
• High Linearity, IIP3 >55dBm
• Serial and Parallel Control Interface
• Fast Switching Speed <120nsec
• Power-up Default Setting Is Maximum Attenuation
• Serial Addressable Supports Up to Eight Addresses
• Single Supply 3V to 5V Operation
• RF Pins Have No DC Voltage, Can Be DC Grounded Externally