PT7V4035 Datasheet, PDF (1/5 Pages) List of Unclassifed Manufacturers – 3.3V operating voltage

Preliminary Data Sheet
PT7V4035 VCXO
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Product Features
General Description
• 3.3V operating voltage
• Uses an inexpensive external crystal
• Provide clock output enable
• On-chip VCXO with pull range of 240ppm
• VCXO tuning voltage from 0 to 3.3V
• 10mA output driver at CMOS levels
• Available in SOIC package
Ordering Information
The PT7V4035 is a low-cost, high-performance 3.3V
VCXO, designed to replace expensive VCXO modules.
The on-chip voltage causes clocks to vary by ±120ppm. It
uses an inexpensive external pullable crystal at
35MHz to produce the same output frequency.
Applications
z Set-Top Box
z xDSL
Ordering
code
PT7V4035W
Package
type
8-Pin SOIC
Operating
Range
Industrial
Logic Block Diagram
Pin Configuration
OE
X1
NC
VIN
GND
1
8
2 _PT7V4035 7
3
6
4
5
SOIC 8 package
X2
OE
Vcc
CLKOUT
Pin Description
Pin
Number
Pin Name
1, 8
X1, X2
2
NC
3
V_IN
4
GND
5
CLKOUT
6
V_CC
7
OE
PT0148(05/04)
Type
I
I
PWR
O
PWR
I
Description
Crystal Connection, Connect to a pullable 27MHz crystal
No Connect, Can be float or connected to V_CC or GND
Voltage Input to VCXO
Ground
Clock Output
Power Supply +3.3V
Output Enable. High or floating enables output. Internal pull-up.
1
Ver: 0