SBOU301A July   2023  – January 2024 LOG200

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5.   5
  6. 1Evaluation Module Overview
    1. 1.1 Introduction
    2. 1.2 Kit Contents
    3. 1.3 Specification
    4. 1.4 Device Information
  7. 2Hardware
    1. 2.1 Read this first: EVM Cleaning Guidelines
    2. 2.2 Input and Output Connections
    3. 2.3 Power Requirements
    4. 2.4 Jumper Information
    5. 2.5 Optional Photodiode Connections
  8. 3Hardware Design Files
    1. 3.1 Schematics
    2. 3.2 PCB Layout
    3. 3.3 Bill of Materials (BOM)
  9. 4Additional Information
    1. 4.1 Trademarks
  10. 5Revision History

2.4 Jumper Information

Figure 3-2 details the default jumper settings of the LOG200EVM. Table 3-3 explains the configuration for these jumpers.

GUID-20240119-SS0I-NRJS-GJZ8-NQ4TP5DKGJRJ-low.pngFigure 2-2 LOG200EVM Default Jumper Settings
Table 2-3 Default Jumper Configuration
JumperFunctionDefault PositionDescription
J7

Out_A

SMA J5 reference		Shunt 2-3Shunt 2-3: SMA connector J3 referred to GND
Shunt 1-2: SMA connector J3 referred to REFA
J8VCM

Select

Shunt 1-2Shunt 1-2: VCM input connected to GND
Shunt 3-4: Connects VCM input to 2.5V reference
J9VS– connectionOpenOpen: Bipolar supply configuration
Shunt 1-2: Connects VS– to GND for unipolar supply configuration
J11REF A SelectShunt 7-8Shunt 1-2: Sets log voltage REFA to external voltage through J10
Shunt 3-4: Sets REFA to REF25
Shunt 5-6: Sets REFA to REF165
Shunt 7-8: Sets REFA to GND
J15Secondary

op-amp input

Shunt 1-2Shunt 1-2: Connects Aux AMP+IN to OUTA
Shunt 3-4: Connects Aux AMP -IN to OUTA