ADN2847ACPZ-48 データシートの表示（PDF） - Analog Devices

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ADN2847ACPZ-48

3.3 V Dual-Loop 50 Mbps to 3.3 Gbps Laser Diode Driver

Analog Devices 

ADN2847

Data Sheet

Pin Number

48-Lead 32-Lead

30

21

31

22

32

23

33

24

34

N/A

35

N/A

36

N/A

37

N/A

38

25

39

26

40

N/A

41

27

42

28

43

N/A

44

29

45

30

46

31

47

N/A

48

32

EP

EP

Mnemonic

VCC3

GND3

IMMON

IBMON

GND2

IDTONE

GND2

GND2

VCC2

IMODN

IMODN

GND2

IMODP

IMODP

GND2

GND2

IBIAS

IBIAS

CCBIAS

EPAD

Description

Supply Voltage.

Supply Ground.

Modulation Current Mirror Output.

Bias Current Mirror Output.

Supply Ground.

IDTONE. Requires external current sink to ground.

Supply Ground.

Supply Ground.

Supply Voltage.

Modulation Current Negative Output. Connect via a matching resistor to VCC.

Modulation Current Negative Output. Connect via a matching resistor to VCC.

Supply Ground.

Modulation Current Positive Output. Connect to laser diode.

Modulation Current Positive Output. Connect to laser diode.

Supply Ground.

Supply Ground.

Laser Diode Bias Current.

Laser Diode Bias Current.

Extra Laser Diode Bias. (Connected to Vcc when dc-coupled to laser diode. Connected to IBIAS

when ac-coupled to laser diode).

Exposed Pad. The exposed pad on the bottom of the package must be connected to VCC or

the GND plane.

Rev. B | Page 8 of 16

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