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ADL5315 - High-Side Current Mirror

General Description

The ADL5315 is a wide input current range, precision high-side current mirror featuring a stable and user-adjustable input voltage.

Key Features

  • Accurately mirrors input current (1:1 ratio) over 6 decades Linearity 1% from 3 nA to 3 mA Stable mirror input voltage Voltage held 1 V below supply using internal reference or can be set externally Adjustable input current limit 2.7 V to 8 V single-supply operation Miniature 8-lead LFCSP (2 mm × 3 mm).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data Sheet Precision Wide Range (3 nA to 3 mA) High-Side Current Mirror ADL5315 FEATURES Accurately mirrors input current (1:1 ratio) over 6 decades Linearity 1% from 3 nA to 3 mA Stable mirror input voltage Voltage held 1 V below supply using internal reference or can be set externally Adjustable input current limit 2.7 V to 8 V single-supply operation Miniature 8-lead LFCSP (2 mm × 3 mm) APPLICATIONS Optical power monitoring from a single photodiode General voltage biasing with precision current monitoring Voltage-to-current conversion FUNCTIONAL BLOCK DIAGRAM ADL5315 VOLTAGE REFERENCE 4 COMM CURRENT LIMITING 5 RLIM 20k 3 SREF CURRENT MIRROR 1:1 6 VPOS VSET 2 NC 7 INPT 1 IPD IOUT 8 IPD 05694-001 Figure 1.