IRMCF588Q_15 Datasheet, PDF (19/37 Pages) International Rectifier – Dual Motor High Performance Sensorless Control IC

IRMCF588
6 AC Characteristics
6.1 Digital PLL AC Characteristics
Symbol
F_CLKIN
F_PLL
F_LWPW
J_S
D
T_LOCK
Parameter
Crystal input
frequency
Internal clock
frequency
Sleep mode output
frequency
Short time jitter
Duty cycle
PLL lock time
Note:
(1) Data guaranteed by design.
Min
3.2 MHz
32 MHz
Typ
4 MHz
50 MHz
Max
60 MHz
128 MHz
Condition
(1)
(see figure below)
(1)
F_CLKIN ÷ 256
-
-
(1)
-
200 psec
-
(1)
-
50 %
-
(1)
-
-
500 μsec ⁽¹⁾
Table 9. PLL AC Characteristics
XTAL0
XTAL1
R1=1MΩ
R2=1KΩ
Xtal
C1=15PF
C2=15PF
Figure 6. Crystal circuit example
19 www.irf.com
© 2015 International Rectifier
February 20,2015