User manual

8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board User’s Guide
DS51544A-page 8 © 2005 Microchip Technology Inc.
2.3 GETTING STARTED
The 8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board is a blank PCB that allows the
user to configure the circuit to the exact requirements. The passive components use
the surface-mount 805 package layout.
This evaluation board supports the following Microchip device families:
A/D Converters (ADCs) (ADCs)
Battery Chargers
Comparators
D/A Converters (DACs) (DACs)
DC-to-DC Converters
Digital Potentiometers (Digi-Pots)
Fan Controllers
Integrated Devices
Interface Devices
Linear Regulators
Operational Amplifiers (Op Amps)
Power MOSFET Drivers
Programmable Gain Amplifiers (PGAs)s (PGAs)
Switching Regulators
Temperature Sensors
Voltage Supervisors and Voltage Detectors
PICmicro Microcontrollers
Figure 2-1 shows the evaluation board circuit. Pin “n” of each device (U1, U2, U3 and
U4) are tied together. These pins are then connected with pad “n” of the PCB (through
a circuit). This circuit allows each pin to individually have any of the following: a pull-up
resistor, a pull-down resistor, an in-line resistor and/or a loading/filtering capacitor.
Device-filtering capacitors are available (C2 and C3), as well as a power supply filtering
capacitor (C1).
There may be cases where some additonal passive components are desired for the
evaluation circuit. The PCB has four 805 footprints that are not connected (labled P1,
P2, P3 and P4) and can easily be jumpered into the desired circuit.