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參數資料
| 型號： | ADN2841 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:14; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:23-14 |
| 中文描述： | 雙回路50 Mbps.2.7 Gbps的激光二極管驅動器 |
| 文件頁數： | 8/12頁 |
| 文件大小： | 276K |
| 代理商： | ADN2841 |
REV. 0
ADN2841
–8–
ADN2841
37
48
1
12
24
13
36
25
FU-445SDF-WM1
V
CC
V
CC
G
V
CC
V
CC
FAIL
DEGRADE
DATAP
DATAN
CLKN
CLKP
GND
V
G
1.5k
V
CC
CCBIAS
V
CC
GND2
VCC2
IMODN
IMODN
GND2
IMODP
IMODP
GND2
GND2
I
BIAS
I
BIAS
I
G
I
I
G
V
A
F
D
C
G
GND
GND
CLKN
CLKP
GND1
DATAP
DATAN
GND1
VCC1
GND
PAVCAP
ERCAP
I
I
I
I
G
P
E
A
L
G
100nF
100nF
100nF
100nF
10 F
V
CC
GND
NOTE
V
s SHOULD HAVE BYPASS CAPACITORS AS CLOSE AS POSSIBLE TO THE
ACTUAL SUPPLY PINS ON THE ADN2841 AND THE LASER DIODE USED.
25
Figure 6. 2.7 Gbps Test Circuit, DC-Coupled, Data Not Clocked, Fast Loop Time Constant Selected
ALARM INTERFACES
A 30 k
internal pull-up resistor is employed to pull the digital
high value of the alarm outputs to V
CC
. However, the ADN2841
has a feature that allows the user to externally wire resistors in
parallel with the 30 k
pull-up resistors thus enabling the user
to interface to non-V
CC
levels.
Non-V
CC
alarm output levels must
be below the V
CC
used for the ADN2841.
POWER CONSUMPTION
The ADN2841 die temperature must be kept below 125
°
C.
The
θ
J
A
for the 48-lead LFCSP is 25
°
C/W and the 32-lead
LFCSP is 32
°
C/W when soldered in a four-layered board. Both
LFCSP packages have an exposed paddle and as such need to
be soldered to the PCB to achieve this thermal performance.
=
T
T
P
DIE
AMBIENT
A
+
×
θ
J
I
I
I
CC
(
CCMIN
MOD
(
=
+
0 3
P
V
I
I
V
I
V
CC
CC
BIAS
BIAS
PIN
MOD
MOD
PIN
=
×
+
×
)
+
×
)
_
_
Hence the maximum combination of
I
BIAS
+
I
MOD
must be
calculated.
ADN2841
ADN2850
PSET
ERSET
D
D
I
IMODP
I
BIAS
DAC1
DAC2
SDI
SDO
CLK
CS
TX
RX
CLK
CS
V
CC
DATAP
DATAN
IDTONE
V
CC
V
CC
IMPD
Figure 5. Application Using Optical Supervisor ADN2850
as a Dual 10-Bit Digital Potentiometer Using Thin-Film
Resistor Technology to Give Very Low Temperature
Coefficients
相關PDF資料 |
PDF描述 |
|---|---|
| ADN2841ACP-32 | Circular Connector; No. of Contacts:21; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:23-21 |
| ADN2841ACP-32-RL | Circular Connector; No. of Contacts:21; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:23-21 |
| ADN2841ACP-32-RL7 | Dual-Loop 50 Mbps.2.7 Gbps Laser Diode Driver |
| ADN2841ACP-48 | Dual-Loop 50 Mbps.2.7 Gbps Laser Diode Driver |
| ADN2841ACP-48-RL | Dual-Loop 50 Mbps.2.7 Gbps Laser Diode Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADN2841ACP-32 | 制造商:Analog Devices 功能描述:Laser Driver 2.7Gbps 1-CH 32-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:MULTI RATE 2.5 GB/S LASER DIODE DRIVER - Bulk 制造商:Analog Devices 功能描述:IC CONTROLLER WAVE LASER |
| ADN2841ACP-32-RL | 制造商:Analog Devices 功能描述:Laser Driver 2.7Gbps 1-CH 32-Pin LFCSP EP T/R |
| ADN2841ACP-32-RL7 | 制造商:Analog Devices 功能描述:Laser Driver 2.7Gbps 1-CH 32-Pin LFCSP EP T/R |
| ADN2841ACP-48 | 制造商:Analog Devices 功能描述:Laser Driver 2.7Gbps 1-CH 48-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:MULTI RATE 2.5 GB/S LASER DIODE DRIVER - Bulk |
| ADN2841ACP-48-RL | 制造商:Analog Devices 功能描述:Laser Driver 2.7Gbps 1-CH 48-Pin LFCSP EP T/R |
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