Rainbow-electronics MAX4889C Instrukcja Użytkownika Pobierz pdf (Strona 8)

MAX4889B/MAX4889C

2.5/5.0Gbps PCIe Passive Switches

8 _______________________________________________________________________________________

Pin Description

MAX4889B/

MAX4889C

NAME FUNCTION

1 AIN+ Analog Switch 1. Common Positive Terminal.

2 AIN- Analog Switch 1. Common Negative Terminal.

3 AOUTB+ Analog Switch 1. Normally Open Positive Terminal.

4 AOUTB- Analog Switch 1. Normally Open Negative Terminal.

5 BIN+ Analog Switch 2. Common Positive Terminal.

6 BIN- Analog Switch 2. Common Negative Terminal.

7 BOUTB+ Analog Switch 2. Normally Open Positive Terminal.

8 BOUTB- Analog Switch 2. Normally Open Negative Terminal.

9, 19, 21, 26, 31,

34, 39, 41

P osi ti ve S up p l y V ol tag e Inp ut. C onnect V

C C

to a 3.0V to 3.6V sup p l y vol tag e. Byp ass V

C C

to GN D w i th

a 0.1µF cer am i c cap aci tor p l aced as cl ose as p ossi b l e to the d evi ce. S ee the Boar d Layout secti on.

10 CIN+ Analog Switch 3. Common Positive Terminal.

11 CIN- Analog Switch 3. Common Negative Terminal.

12 COUTB+ Analog Switch 3. Normally Open Positive Terminal.

13 COUTB- Analog Switch 3. Normally Open Negative Terminal.

14 DIN+ Analog Switch 4. Common Positive Terminal.

15 DIN- Analog Switch 4. Common Negative Terminal.

16 DOUTB+ Analog Switch 4. Normally Open Positive Terminal.

17 DOUTB- Analog Switch 4. Normally Open Negative Terminal.

18, 20, 22, 25, 29,

35, 38, 40, 42

GND Ground

23 DOUTA- Analog Switch 4. Normally Closed Negative Terminal.

24 DOUTA+ Analog Switch 4. Normally Closed Positive Terminal.

27 COUTA- Analog Switch 3. Normally Closed Negative Terminal.

28 COUTA+ Analog Switch 3. Normally Closed Positive Terminal.

30 SEL Control Signal Input. SEL has a 70kΩ (typ) pulldown resistor to GND.

32 BOUTA - Analog Switch 2. Normally Closed Negative Terminal.

33 BOUTA+ Analog Switch 2. Normally Closed Positive Terminal.

36 AOUTA- Analog Switch 1. Normally Closed Negative Terminal.

37 AOUTA+ Analog Switch 1. Normally Closed Positive Terminal.

— EP Exposed Pad. Connect EP to GND.

1 2 3 4 5 6 7 8 9 10 11

MAX4889B/MAX4889C 1

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Rainbow-electronics MAX4889C Instrukcja Użytkownika Strona 8

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