Renesas Electronics F1958 F1958NBGK, Digital Attenuator, 16dB, 4GHz, 24-Pin QFN

The Renesas Electronics F1958 is part of IDT’s Glitch-Free™ family of DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other applications. This device is offered in a compact 4 ´ 4 mm 24-VFQFPN package with 50Ω input and output impedance for ease of integration into the radio or RF system. The F1958 offers very high reliability due to its construction from a monolithic silicon die and has very low insertion loss with minimal distortion.

Serial and 7-bit parallel interface
31.75dB range
0.25dB steps
Glitch-Free™: Low Transient Overshoot
500ns settling time for 0.25dB steps