The SA58643 is a wideband RF switch fabricated in BiCMOS technology and incorporating on-chip CMOS/TTL compatible drivers. Its primary function is to switch signals in the frequency range DC to 1 GHz from one 50 Ω channel to another. The switch is activated by a CMOS/TTL compatible signal applied to the enable channel 1 pin (ENCH1). The extremely low current.
I Wideband (DC to 1 GHz) I Low through loss (1 dB typical at 200 MHz) I Unused input is terminated internally in 50 Ω I Excellent overload capability (1 dB gain compression point +18 dBm at 300 MHz) I Low DC power (170 µA from 5 V supply) I Fast switching (20 ns typical) I Good isolation (off channel isolation 60 dB at 100 MHz) I Low distortion (IP3 intercept +33 dBm) I Good 50 Ω match (return loss 18 dB at 400 MHz) I Full ESD protection I Bidirectional operation 3. Applications I Digital transceiver front-end switch I Antenna switch I Filter selection I Video switch I FSK transmitter NXP Sem.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | SA58643 |
NXP |
Single Pole Double Throw SPDT Switch | |
2 | SA58640 |
NXP Semiconductors |
Low-voltage mixer FM-IF | |
3 | SA58640DK |
NXP Semiconductors |
Low-voltage mixer FM-IF | |
4 | SA58641 |
NXP |
High performance mixer FM-IF | |
5 | SA58641DK |
NXP |
High performance mixer FM-IF | |
6 | SA58646 |
NXP |
UHF 900MHz transceiver | |
7 | SA58646BD |
NXP |
UHF 900MHz transceiver IC | |
8 | SA58646BD |
NXP |
UHF 900MHz transceiver | |
9 | SA58603 |
NXP |
High precision operational amplifier | |
10 | SA58631 |
NXP |
3W BTL Audio Amplifier | |
11 | SA58632 |
NXP |
2 x 2.2W BTL Audio Amplifier | |
12 | SA58635 |
NXP |
2 X 25 MW Class-G Stereo Headphone Driver |