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| 型號： | ADN2860ACPZ250-RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 3CH 250K 24-LFCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 接片： | 128，512，512 |
| 電阻（歐姆）： | 250k |
| 電路數(shù)： | 3 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 2.7 V ~ 5.5 V，±2.25 V ~ 2.75 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 24-LFCSP-VQ（4x4） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | ADN2860ACPZ250RDKR |
ADN2860
Rev. B | Page 19 of 20
APPLICATIONS INFORMATION
LASER DIODE DRIVER (LDD) CALIBRATION
The ADN2860 can be used with any laser diode driver. Its high
resolution, compact footprint, and superior temperature drift
characteristics make it ideal for optical parameter setting.
The ADN2841 is a 2.7 Gbps laser diode driver that uses a
unique control algorithm to manage both the laser average
power and extinction ratio after initial factory calibration. It
stabilizes the laser data transmission by continuously monitoring
its optical power and by correcting the variations caused by
temperature and the laser degradation over time. In the
ADN2841, the IMPD monitors the laser diode current. Through
its dual-loop power and extinction ratio control, calibrated by
the ADN2860, the internal driver controls the bias current, IBIAS,
and, consequently, the average power. It also regulates the
modulation current, IMODP, by changing the modulation current
linearly with slope efficiency. Any changes in the laser threshold
current or slope efficiency are, therefore, compensated. As a
result, this optical supervisory system minimizes the laser
characterization efforts, enabling designers to apply comparable
lasers from multiple sources.
ADN2860
ADN2841
SDA
SCL
PSET
ERSET
ASET
VCC
03615-033
Figure 33. Optical Supervisory System
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| ADN2860ACPZ25-RL7 | 功能描述:IC POT DGTL 3CH 25K 24-LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲器類型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| ADN2860-EVAL | 制造商:AD 制造商全稱:Analog Devices 功能描述:3-Channel Digital Potentiometer with Nonvolatile Memory |
| ADN2865 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Continuous Rate 12.3Mb/s to 2.7Gb/s Clock and Data Recovery IC w/Loop Timed SERDES |
| ADN2865ACP | 制造商:AD 制造商全稱:Analog Devices 功能描述:Continuous Rate 12.3Mb/s to 2.7Gb/s Clock and Data Recovery IC w/Loop Timed SERDES |
| ADN2865ACP-RL | 制造商:AD 制造商全稱:Analog Devices 功能描述:Continuous Rate 12.3Mb/s to 2.7Gb/s Clock and Data Recovery IC w/Loop Timed SERDES |
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