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参数资料
| 型号： | ADN2848ACPZ-32-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC LASER DRIVER 1.25GBPS 32LFCSP |
| 标准包装： | 1,500 |
| 类型： | 激光二极管驱动器（光纤） |
| 数据速率： | 1.25Gbps |
| 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： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
Data Sheet
ALS
FAIL
ADN2848
V CC
*
1k?
DEGRADE
*
*
*
*
1.5k?
24
15k?
17
V CC
*
V CC
25
V CC 2
CLKN
16
10nF
CLKN
IMODN
CLKP
10nF
CLKP
MPD
LD
GND2
IMODP
GND1
DATAP
10nF
DATAP
*
*
GND2
ADN2848
DATAN
DATAN
*
10nF
GND2
V CC 1
1μF
10μH
I BIAS
CCBIAS
PAVCAP
ERCAP
R Z
V CC
32
1
8
9
1μF
EACH V CC SHOULD HAVE BYPASS CAPACITORS AS CLOSE
AS POSSIBLE TO THE ACTUAL SUPPLY PINS ON THE
ADN2848 AND THE LASER DIODE USED.
**
**
1.5k?
CONSERVATIVE DECOUPLING WOULD INCLUDE 100pF
CAPACITORS IN PARALLEL WITH 10nF CAPACITORS.
V CC
LD = LASER DIODE
MPD = MONITOR PHOTODIODE
10nF
10nF
10nF
10nF
+
10μF
GND
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.
Figure 9. AC-Coupled 50 Mbps to 1.25 Gbps Test Circuit, Data Not Clocked
Figure 10. A 1.244 Mbps Optical Eye. Temperature at 25°C.
Average Power = 0 dBm, Extinction Ratio = 10 dB, PRBS 31 Pattern,
1 Gb Ethernet Mask. Eye Obtained Using a DFB Laser.
Figure 11. A 1.244 Mbps Optical Eye. Temperature at 85°C.
Average Power = 0 dBm, Extinction Ratio = 10 dBm, PRBS 31 Pattern,
1 Gb Ethernet Mask. Eye Obtained Using a DFB Laser.
Rev. B | Page 11 of 12
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相关代理商/技术参数 |
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| ADN2849 | 制造商:AD 制造商全称:Analog Devices 功能描述:10.7 Gbps Electro-Absorption Modulator Driver |
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| ADN2849ACP-RL | 制造商:AD 制造商全称:Analog Devices 功能描述:10.7 Gbps Electro-Absorption Modulator Driver |
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