ADN2847ACP-48 Analog Devices Inc, ADN2847ACP-48 Datasheet - Page 12

• Manufacturer Part Number: ADN2847ACP-48
• Description: IC DRVR LASER DIODE 3.3V 48LFCSP
• Manufacturer: Analog Devices Inc
• Type: Laser Diode Driver (Fiber Optic)r

Specifications of ADN2847ACP-48

• Number Of Channels: 1
• Rohs Status: RoHS non-compliant
• Data Rate: 3.3Gbps
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 50mA
• Current - Modulation: 80mA
• Current - Bias: 100mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Mounting Type: Surface Mount
• Operating Supply Voltage (min): 3V
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

ADN2847
MPD
NOTES
* DESIGNATES COMPONENTS THAT NEED TO BE OPTIMIZED FOR THE TYPE OF LASER USED.
** FOR DIGITAL PROGRAMMING, THE ADN2850 OR THE ADN2860 OPTICAL SUPERVISOR CAN BE USED.
V
CC
LD
LD = LASER DIODE
MPD = MONITOR PHOTODIODE
10µH
*
V
CC
*
V
CC
*
R
Z
V
*
CC
37
48
GND2
IMODN
IMODN
GND2
IMODP
IMODP
GND2
GND2
CCBIAS
V
I
I
BIAS
BIAS
CC
2
36
1
Figure 14. DC-Coupled 3.3 Gbps Test Circuit, Data Not Clocked
V
CC
1.5kΩ
**
**
ADN2847
1.5kΩ
Rev. A | Page 12 of 16
1kΩ
ALS
1.5kΩ
100nF
100nF
GND
PAVCAP
V
ERCAP
DATAN
DATAP
12
CC
25
CLKN
GND1
GND1
CLKP
V
GND
GND
GND
CC
1
100nF
V
CLOSE AS POSSIBLE TO THE ACTUAL SUPPLY PINS
ON THE ADN2847 AND THE LASER DIODE USED.
CONSERVATIVE DECOUPLING WOULD INCLUDE
100pF CAPACITORS IN PARALLEL WITH 10nF
CAPACITORS.
13
24
CC
22nF
s SHOULD HAVE BYPASS CAPACITORS AS
22nF
100nF
GND
10nF
10nF
10nF
10nF
10µF
FAIL
DEGRADE
CLKN
CLKP
DATAP
DATAN