DS1842A 76V, APD, Dual Output Current Monitor
●The DS1842A integrates the discrete high-voltage components necessary for avalanche photodiode(APD) bias and monitor applications. A precision volt-age-divider network is used in conjunction with an external DC-DC controller and FET to create a boost DC-DC converter. A current clamp limits current through the APD and also features an external shutdown. The precision voltage-divider network is provided for precise control of the APD bias voltage. The device also includes a dual current mirror to monitor the APD current
■Features
●76V Maximum Boost Voltage
●Current Monitor with a Wide 1μA to 2mA Range,Fast 50ns Time Constant, and 10:1 and 5:1 Ratio
●2mA Current Clamp with External Shutdown
●Precision Voltage Feedback
●Multiple External Filtering Options
●3mm x 3mm, 14-Pin TDFN Package with Exposed Pad
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[ APD Biasing ][ GPON ][ ONU ][ OLT ] |
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Datasheet |
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Please see the document for details |
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TDFN;TDFN-E |
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English Chinese Chinese and English Japanese |
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9/11 |
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REV 1 |
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19-4994 |
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205 KB |
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