PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 180

• Manufacturer Part Number: PSB7238
• Description: Joint Audio Decoder-Encoder - Multimode
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
7.4
Table 23
Parameter
Input capacitance
I/O capacitance
Load capacitance
7.5
Figure 54
7.6
Table 24
Parameter
Motional capacitance
Shunt
Load
Resonance resistance
1)
Note: The 34.56 MHz crystal must be of the fundamental type.
First value for 7.68 MHz crystal (using internal PLL), second value for 34.56 MHz crystal (using bypass mode).
Capacitances
Oscillator Circuit
XTAL 1,2 Recommended Typical Crystal Parameters
Symbol
C
C
C
IN
I/O
LD
Symbol
C
C
C
R
r
1
0
L
min.
–
–
–
Limit Values
180
max.
7
7
93/7
Limit Values
17
5
recommended 50/80
23/42
1)
Unit
pF
pF
pF
1)
Electrical Specification
Test Condition
–
–
XTAL1,2
Data Sheet 1998-07-01
1)
Unit
fF
pF
pF
Ohm
PSB 7238