SDA9257 Infineon Technologies Corporation, SDA9257 Datasheet - Page 46

• Manufacturer Part Number: SDA9257
• Description: Clock SYNC Generator
• Manufacturer: Infineon Technologies Corporation

Semiconductor Group
3.1
Parameter
SCL low time
SCL high time
Load capacitance
Reference Inputs for Analog Inputs AINY, AINU, AINV, SYNC
Reference voltage high
Reference voltage low
Analog Inputs AINY, AINU, AINV
Input range
(Peak-Peak)
Required ext clamp
capacitance
Required signal
source resistance
SYNC Input for Sync and Clock Generation
Input range
(Peak-Peak)
Input frequency
Required ext clamp
capacitance
Required signal
source resistance
Inputs Crystal Connections X1, X2
Crystal frequency
Crystal Type Fundamental Crystal
Equivalent parallel C
Crystal resonant
impedance
Pin capacitance
External capacitance
Recommended Operating Conditions (cont’d)
Symbol
t
t
V
V
V
C
R
V
f
C
R
f
C
Z
C
C
Low
High
c
R
REFHx
REFLx
IPP
S
IPP
S
ext cl
ext cl
O
I
ext
min.
1.3
0.6
3.2
1.7
0
0.5 V
0
Limit Values
46
nom.
4.2
2.2
2 V
100
2 V
100
24.576
3.6
18
400
4.7
3.2
max.
V
V
200
V
V
12
200
40
10
REFHx
REFLx
REFHC
REFLC
-
-
Unit
pF
V
V
1
nF
1
MHz
nF
MHz
pF
pF
pF
s
s
Remark
V
YAMP, UAMP,
VAMP = 0000,
Prefiltering
see chapter 2.1.2
AINY, AINU,
AINV each
SYNAMP = 0000
To avoid aliasing
Each
ADDx
= 5 V
SDA 9206
1999-02-10