BU2374FV
Multimedia ICs
VCO + phase comparator IC for PLL system
BU2374FV
BU2374FV is a VCO+phase comparator IC used to construct PLL system. PLL system is constructed and low
jitter clocks can be generated by adopting external LPF and divider. Through a mechanism incorporated in this
IC the output could be switched into quarter. Another function can set in the center point of frequency by
adjusting external resistance.
!
Applications
TV
!
External dimensions
(Unit : mm)
5.0 鹵 0.2
!
Features
1) V
DD
=3.3V鹵5% operating guaranteed
2) Oscillating range of VCO is 37MHz~60MHz
3) High-speed edge trigger type phase comparator
4) VCO can be fine-adjusted by external resistor.
5) VCO and phase comparator can be controlled
independently.
6) Small SSOP-B14 package
1.15 鹵 0.1 6.4 鹵 0.3
4.4 鹵 0.2
0.1
14
8
1
7
0.15 鹵 0.1
0.65
0.1
0.22 鹵 0.1
SSOP-B14
!
Absolute maximum ratings
(Ta=25擄C)
Parameter
Symbol
V
DD
V
IN
Pd
Tstg
Limits
鈭?.5
to
+7.0
鈭?.5
to V
DD
+0.5
400
鈭?/div>
Unit
V
V
mW
擄C
Applied voltalge
Inpuit voltage
Power dissipation
Storage temperature
鈭?0
to
+125
鈭桝n
operation is not guaranteed.
鈭桰n
case it is used at Ta=25擄C or more, 4.0mW is reduceed at every 1擄C.
鈭桼adiation
resistance design is not used.
鈭桺ower
dissipation is measured when BU2374FV is placed on the board.
!
Recommended operating conditions(Ta=25擄C)
Parameter
Supply voltage
Input H voltage range
Input L voltage range
Operating temperature
Output load
Symbol
V
DD
V
IH
V
IL
Topr
C
L
Min.
3.15
0.8V
DD
0
鈭?0
Typ.
Max.
3.45
V
DD
0.2V
DD
+75
15
Unit
V
V
V
擄C
pF
鈭?/div>
BU2374FV相關(guān)型號(hào)PDF文件下載
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