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AS1747

austriamicrosystems AG
Part Number AS1747
Manufacturer austriamicrosystems AG
Description Low-Voltage Dual SPDT Audio Clickless Switch
Published Mar 14, 2010
Detailed Description Da t as heet AS1747 L o w - Vo l ta g e , D u a l S P D T, A u d i o C l i c k l e s s S w i t c h w i t h N e g a t i v...
Datasheet PDF File AS1747 PDF File

AS1747
AS1747


Overview
Da t as heet AS1747 L o w - Vo l ta g e , D u a l S P D T, A u d i o C l i c k l e s s S w i t c h w i t h N e g a t i v e R a i l C a pa b i l i t y www.
DataSheet4U.
com 1 General Description The SPDT (single-pole/double-throw) switch AS1747 allows signals below ground to pass through without distortion.
This analog switch is ideal for switching audio signals, due to the supply voltage from +1.
8V to +5.
5V and the low 0.
4Ω on-resistance.
This SPDT switch is available in space-saving 10-pin TDFN 3x3 packages and operate over the -40ºC to +85ºC extended temperature range.
2 Key Features ! Distortion -Free Negative Signal Throughput Down to VCC - 5.
5V Low On-Resistance (RON) 0.
4Ω at +2.
7V Supply 0.
25Ω On-Resistance Flatness 0.
03Ω On-Resistance Matching +1.
8V to 5.
5V Supply Voltage -90dB Crosstalk (100kHz) -65dB Off-Isolation (100kHz) Available in 10-pin TDFN 3x3 Packages ! ! ! ! ! ! ! 3 Applications The device is ideal for cell phones, PDAs and hand-held devices, notebook computers and MP3 players.
Figure 1.
AS1747 - Typical Operating Circuit Out+ Audio Source 1 Out- NC1 COM1 NO1 IN1 Input Select 8Ω Speaker AS1747 NC2 IN2 Out+ Audio Source 2 OutNO2 COM2 www.
austriamicrosystems.
com Revision 1.
01 1 - 13 AS1747 Datasheet - P i n o u t www.
DataSheet4U.
com 4 Pinout Pin Assignment Figure 2.
Pin Assignments (Top View) VCC 1 NO1 2 COM1 3 NC1 4 IN1 5 10 NO2 9 COM2 8 NC2 7 IN2 6 GND Pin Description Table 1.
Pin Description Pin Name VCC NO1 COM1 NC1 IN1 GND IN2 NC2 COM2 NO2 TDFN 1 2 3 4 5 6 7 8 9 10 Positive-Supply Voltage Input Analog Switch 1 - Normally Open Terminal Analog Switch 1 - Common Terminal Analog Switch 1 - Normally Closed Terminal Digital Control Input for Analog Switch 1.
A logic LOW on IN1 connects COM1 to NC1 and a logic HIGH connects COM1 to NO1.
Ground Digital Control Input for Analog Switch 2.
A logic LOW on IN2 connects COM2 to NC2 and a logic HIGH connects COM2 to N02.
Analog Switch 2 - Normally Closed Terminal Analog Switch 2 - Common...


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