Electronic Components Datasheet Search |
|
AS1742 Datasheet(PDF) 9 Page - ams AG |
|
AS1742 Datasheet(HTML) 9 Page - ams AG |
9 / 15 page www.austriamicrosystems.com Revision 1.78 9 - 15 AS1741 Data Sheet - Ap p lica tio n In fo r m a tio n 9 Application Information Power Supply Sequencing Proper power-supply sequencing is critical for proper switch operation. The power supplies should be started up in the following sequence: 1. V+ 2. NOx, NCx, COMx Note: Operation beyond the absolute maximum ratings (see page 2) may permanently damage the devices. Power Supply Bypass Power supply connections to the devices must maintain a low impedance to ground. This can be done using a bypass capacitor, which will also improve noise margin and prevent switching noise propagation from the V+ supply to other components. A 0.1µF bypass capacitor, connected from V+ to GND (see Figure 17 on page 11), is adequate for most applications. Logic Inputs Driving INx Rail-to-Rail will help minimize power consumption. Layout Considerations High-speed switches require proper layout and design procedures for optimum performance. ! Short, wide traces should be used to reduce stray inductance and capacitance. ! Bypass capacitors should be as close to the device as possible. ! Large ground planes should be used wherever possible. Timing Diagrams and Test Setups Figure 12. AS1741/AS1743 Test Circuit and Timing Diagram Figure 13. AS1742 /AS1743 Test Circuit and Timing Diagram AS1741/ AS1743 COMx NOx 35pF 50 Ω VCOMx INx VNOx 50 Ω V+ V+ VCOMx INx 0 0 VNOx VIH + 0.5V tON tOFF tR < 5ns tF < 5ns 50% 50% 90% 90% GND AS1742/ AS1743 COMx NCx 35pF 50 Ω VCOMx INx VNCx 50 Ω V+ V+ VCOMx INx 0 0 VNCx VIH + 0.5V tOFF tON 50% 50% 90% 90% GND tR < 5ns tF < 5ns |
Similar Part No. - AS1742 |
|
Similar Description - AS1742 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |