RFHCS362G-I/SO Microchip Technology, RFHCS362G-I/SO Datasheet - Page 30
![IC CODE HOPPNG ENCDR W/RF 18SOIC](/photos/28/69/286926/18-soic_dw_sml.jpg)
RFHCS362G-I/SO
Manufacturer Part Number
RFHCS362G-I/SO
Description
IC CODE HOPPNG ENCDR W/RF 18SOIC
Manufacturer
Microchip Technology
Datasheet
1.RFHCS362F-ISS.pdf
(60 pages)
Specifications of RFHCS362G-I/SO
Frequency
310MHz ~ 440MHz
Applications
Automotive, Building Access, Garage Openers
Modulation Or Protocol
ASK, FSK
Data Rate - Maximum
3.3 kbps
Power - Output
-12dBm ~ 2dBm
Current - Transmitting
11.5mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
18-SOIC (0.300", 7.50mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Memory Size
-
rfHCS362G/362F
6.3.1
The rfHCS362G/362F crystal oscillator can be config-
ured for ASK operation. Figure 6-1 shows an example
ASK circuit.
Capacitor C1 trims the crystal load capacitance to the
desired circuit load capacitance and places the crystal
on the desired frequency.
TABLE 6-2:
DS41189A-page 30
Note 1: Standard Operating Conditions (unless otherwise stated) T
1000 pF
100 pF
150 pF
470 pF
22 pF
39 pF
CRYSTAL OSCILLATOR ASK
OPERATION
C1
f
XTAL
XTAL OSC APPROXIMATE FREQ. VS. CAPACITANCE (ASK MODE)
= 13.55 MHz
Predicted Frequency
13.551438
13.550563
13.549844
13.549672
13.549548
13.549344
(MHz)
Preliminary
PPM from 13.55 MHz
FIGURE 6-1:
+106
+42
-12
-24
-33
-48
A
= 25°C, RF
X1
C1
CRYSTAL CIRCUIT
EXAMPLE ASK EXTERNAL
EN
Transmit Frequency (MHz)
= 1, V
2002 Microchip Technology Inc.
XTAL
(32 * f
DDRF
rfHCS362G/
433.5895
433.5856
433.646
433.618
433.595
433.579
362F
(1)
= 3V,
XTAL
)