cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 74

• Manufacturer Part Number: cx20493-35/app
• Description: With Cx20493 Smartdaa?
• Manufacturer: Conexant Systems, Inc.

3.5
3-42
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
Crystal Specifications
Crystal specifications are listed in Table 3-20.
Table 3-20. Crystal Specifications
Frequency
Calibration Tolerance
Frequency Stability vs. Temperature
Frequency Stability vs. Aging
Oscillation Mode
Calibration Mode
Load Capacitance, C
Shunt Capacitance, C
Series Resistance, R
Drive Level
Operating Temperature
Storage Temperature
Characteristic
L
1
O
Conexant
28.224 MHz nominal
±50 ppm at 25°C (C
±35 ppm (0°C to 70°C)
±20 ppm/5 years
Fundamental
Parallel resonant
18 pF nom.
7 pF max.
35-60 Ω max. @20 nW drive level
100µW correlation; 500µW max.
0°C to 70°C
–40°C to 85°C
L
Value
= 16.5 and 19.5 pF)
102247B