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I2C Mode
J1 – Installed in "VDD" Position
J2 – Installed in "GND" Position
J15 – Left Open
J16 – Left Open
J3 – Install Jumper between "INL-"and "GND"
J4 – Install Jumper between "INR-" and "GND"
Stand-Alone Mode
J1, J2 – Installed in "VDD" Position
J15 – Installed in "VDD" Position
J16 – Used to set Gain
J15 – Used to set Gain
J3 – Install Jumper between "INL-" and "GND"
J4 – Install Jumper between "INR-" and "GND"
Note that if using the EVAL-SSM2380Z in Stand-Alone Mode, the USBI board and SigmaStudio software
are not necessary. However if using the EVAL-SSM2380Z in I2C Mode, the SigmaStudio software and
USBi board are necessary to issue the I2C writes to the device.
POWER SUPPLY
The EVAL-SSM2380Z can be powered by a single power supply, with the +5V (VDD) supplied to banana
jack J17, and the GND banana jack supplied to J18. Note that the power supply should be able to supply
at least 1A rms current.
OUTPUTS
The OUTL+ (J10), OUTL- (J11), OUTR+ (J12) and OUTR- (J13) banana jacks are available for measuring the
Class-D output of the device.
CURRENT MEASUREMENT
If you would like to measure the current at the device, J19 is provided but must be installed and the
trace on the bottom of the board must be cut. This gives access very close to the part to measure
current draw. Figure 2 shows the location of the trace that should be cut in this scenario.
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