Application information – Rainbow Electronics ADC08161 User Manual
Page 14
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Application Information
(Continued)
Internal Reference 2.5V Full-Scale
(Standard Application)
DS011149-19
Power Supply as Reference
DS011149-20
Input Not Referred to GND
DS011149-21
*
Signal source driving V
IN
(−) must be capable
of sinking 5 mA.
Note: Bypass capacitors consist of a 0.1 µF ceramic in parallel with a 10 µF bead tantalum, unless otherwise specified.
FIGURE 8. Analog Input Options
DS011149-22
FIGURE 9. Typical Connection. Note the multiple bypass capacitors on the reference and power supply pins. V
REF−
should be bypassed to analog ground using multiple capacitors if it is not grounded (See Section 7.0 “LAYOUT,
GROUNDS, and BYPASSING”). V
IN1
is shown with an optional input protection network.
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