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NXP Semiconductors Electronic Components Datasheet

SA58643DP Datasheet

Single Pole Double Throw SPDT Switch

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SA58643
Single-Pole Double-Throw (SPDT) switch
Rev. 01 — 20 November 2006
Product data sheet
1. General description
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 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 consumption makes the SA58643 ideal for portable
applications. The excellent isolation and low loss makes this a suitable replacement for
PIN diodes.
The SA58643 is available in an 8-pin TSSOP package.
2. Features
I Wideband (DC to 1 GHz)
I Low through loss (1 dB typical at 200 MHz)
I Unused input is terminated internally in 50
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 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 Semiconductors Electronic Components Datasheet

SA58643DP Datasheet

Single Pole Double Throw SPDT Switch

No Preview Available !

NXP Semiconductors
SA58643
Single-Pole Double-Throw (SPDT) switch
4. Ordering information
Table 1. Ordering information
Type number Package
Name
Description
SA58643DP
TSSOP8 plastic thin shrink small outline package; 8 leads;
body width 3 mm
5. Block diagram
Version
SOT505-1
input/output
ENCH1
Fig 1. Block diagram of SA58643
6. Pinning information
6.1 Pinning
output/input
output/input
002aab690
VDD 1
ENCH1 2
GND 3
INPUT 4
SA58643DP
8 OUT1
7 AC_GND
6 GND
5 OUT2
002aab689
Fig 2. Pin configuration for TSSOP8
6.2 Pin description
Table 2. Pin description
Symbol
Pin
VDD
1
ENCH1
2
GND
3, 6
INPUT
4
OUT2
5
AC_GND
7
OUT1
8
Description
supply voltage
enable channel 1
ground
input
output
AC ground
output
SA58643_1
Product data sheet
Rev. 01 — 20 November 2006
© NXP B.V. 2006. All rights reserved.
2 of 16


Part Number SA58643DP
Description Single Pole Double Throw SPDT Switch
Maker NXP
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SA58643DP Datasheet PDF






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