AS1746 データシートの表示（PDF） - austriamicrosystems AG

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AS1746

0.5/0.6Ω, Low-Voltage, Dual SPDT Analog Switch

austriamicrosystems AG 

AS1746

Datasheet - Application Information

Figure 20. On-Loss, Off-Isolation, Crosstalk

AS1746

VIN

+5V

V+

COMx

10nF

Network Analyzer

50Ω

50Ω

NCx

NOx

50Ω

0V or INx

V+

GND

VOUT

Measure

Reference

50Ω

50Ω

Off-isolation = 20LOG(VOUT/VIN)

On-loss = 20LOG(VOUT/VIN)

Crosstalk = 20LOG(VOUT/VIN)

Notes:

1. Measurements are standardized against short-circuit at all terminals.

2. Off-isolation is measured between COMx and the off NCx/NOx terminal of each switch.

3. Crosstalk is measured from one channel to all other channels.

4. Signal direction through the switch is reversed; worst values are recorded.

Figure 21. Channel On- Off-Capacitance

V+

V+ AS1746 COMx

10nF

VIH or VIL INx

GND

NCx or

NOx

1MHz

Capacitance

Analyzer

www.austriamicrosystems.com

Revision 1.03

11 - 15

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