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| 型号： | ADN2847ACPZ-32 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | IC LSR DRVR 3.3GBPS 3.6V 32LFCSP |
| 标准包装： | 1 |
| 类型： | 激光二极管驱动器（光纤） |
| 数据速率： | 3.3Gbps |
| 通道数： | 1 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 50mA |
| 电流 - 调制： | 80mA |
| 电流 - 偏置： | 100mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 32-LFCSP-VQ（5x5） |
| 包装： | 托盘 |
| 安装类型： | 表面贴装 |
Data Sheet
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
ADN2847
TP1 1
LBWSET 2
ASET 3
ERSET 4
PSET 5
TP2 6
IMPD 7
IMPDMON 8
IMPDMON2 9
IMPD2 10
GND4 11
V CC 4 12
PIN 1
INDICATOR
ADN2847
TOP VIEW
(Not to Scale)
36 GND2
35 IDTONE
34 GND2
33 IBMON
32 IMMON
31 GND3
30 V CC 3
29 ALS
28 FAIL
27 DEGRADE
26 CLKSEL
25 TP6
LBWSET 1
ASET 2
ERSET 3
PSET 4
IMPD 5
IMPDMON 6
GND4 7
V CC 4 8
PIN 1
INDICATOR
ADN2847
TOP VIEW
24 IBMON
23 IMMON
22 GND3
21 V CC 3
20 ALS
19 FAIL
18 DEGRADE
17 CLKSEL
NOTES
1. THE EXPOSED PAD ON THE BOTTOM OF THE
PACKAGE MUST BE CONNECTED TO V CC OR
THE GND PLANE.
NOTES
1. THE EXPOSED PAD ON THE BOTTOM OF THE
PACKAGE MUST BE CONNECTED TO V CC OR
THE GND PLANE.
Figure 7. 48-Lead LFCSP
Table 5. Pin Function Descriptions
Pin Number
Figure 8. 32-Lead LFCSP
48-Lead
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
32-Lead
N/A
1
2
3
4
N/A
5
6
N/A
N/A
7
8
9
10
N/A
11
N/A
12
13
14
15
16
N/A
N/A
N/A
17
18
19
20
Mnemonic
TP1
LBWSET
ASET
ERSET
PSET
TP2
IMPD
IMPDMON
IMPDMON2
IMPD2
GND4
V CC 4
ERCAP
PAVCAP
TP3
V CC 1
GND1
DATAN
DATAP
GND1
CLKP
CLKN
TP4
TP5
TP6
CLKSEL
DEGRADE
FAIL
ALS
Description
Test Pin. In normal operation, TP1 = GND.
Select Low Loop Bandwidth.
Alarm Current Threshold Setting Pin.
Extinction Ratio Set Pin.
Average Optical Power Set Pin.
Test Pin. In normal operation, TP2 = GND.
Monitor Photodiode Input.
Mirrored Current from Monitor Photodiode.
Mirrored Current from Monitor Photodiode 2. (For use with two MPDs).
Monitor Photodiode Input 2. (For use with two MPDs).
Supply Ground.
Supply Voltage.
Extinction Ratio Loop Capacitor.
Average Power Loop Capacitor.
Test Pin. In normal operation, TP3 = GND.
Supply Voltage.
Supply Ground.
Data, Negative Differential Terminal.
Data, Positive Differential Terminal.
Supply Ground.
Data Clock Positive Differential Terminal. Used if CLKSEL = V CC .
Data Clock Negative Differential Terminal. Used if CLKSEL = V CC .
Test Pin. In normal operation, TP4 = GND.
Test Pin. In normal operation, TP5 = GND.
Test Pin. In normal operation, TP6 = GND.
Clock Select. Active = V CC . Used if data is clocked into chip.
Degrade Alarm Output.
Fail Alarm Output.
Automatic Laser Shutdown.
Rev. B | Page 7 of 16
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