sta33013tr STMicroelectronics, sta33013tr Datasheet - Page 16

• Manufacturer Part Number: sta33013tr
• Description: 2.0 Digital Audio Processor With Ffx Digital Modulator And Analog And Digital Inputs
• Manufacturer: STMicroelectronics

PLL
6
16/55
PLL
Figure 7
Figure 7.
CLKIN
IDF
INFOUT
REFOUT
STRB
STRB_
BYPASS
FRAC_CTRL
shows the main components of the PLL.
DITHER_DISABLE
PLL block diagram
FRAC_INPUT
Input frequency
Buffer
divider
FBCLK
Fractional controller
INFIN
Loop frequency divider
NDIV
frequency
Phase /
divider
(PFD)
INFIN
FBCLK
pump and
loop filter
Charge
Lock detect
frequency
Output
divider
VCO
F
VCO
VCONT
LOCKP
LF
FILT
STA330
PHI