RFRXD0420 View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
RFRXD0420 Datasheet PDF : 32 Pages
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rfRXD0420/0920
FIGURE 2-11: BLOCK DIAGRAM OF
DEMODULATOR OUTPTUT
PINS
VDD
DEM OUT+
23
VSS
VDD
50 Ω
20 µA
VSS
DEM OUT-
24
VSS
50 Ω
20 µA
VSS
20 µA
VSS
20 µA
VSS
2.7 Operational Amplifier
The internal operational amplifier (OPA) can be
configured as a comparator for ASK or FSK or as a filter
for FM modulation applications.
The Op Amp pins are illustrated in Figures 2-12 and
2-13.
FIGURE 2-12: BLOCK DIAGRAM OF OP AMP
INPUT PINS
VDD
OPA-
19
50 Ω
VDD
20 µA
VDD
50 Ω
OPA+
20
VSS
VSS
FIGURE 2-13: BLOCK DIAGRAM OF OP AMP
OUTPUT PIN
VDD
VDD
OPA
18
50 Ω
VSS
VSS
DS70090A-page 8
Preliminary
2003 Microchip Technology Inc.
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