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PDF T73227 Data sheet ( Hoja de datos )
| Número de pieza | T73227 | |
| Descripción | Vcxo Clock Generator | |
| Fabricantes | TLSI | |
| Logotipo |  |
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T73227
27 MHz VCXO Clock Generator IC
October 2002
1.0 Features
• One-chip tunable voltage controlled crystal oscillator
(VCXO) allows precise system frequency tuning
• 3.3V operation
• 8 pin SOIC and MSOP packages
• Uses inexpensive 20pF pullable crystals with no
external capacitors required.
• 12mA drive capability at TTL levels
2.0 Applications
• Set-top boxes
• MPEG Video clock source
• Oscillator replacement
Figure 1: Block Diagram
3.0 Description
The T73227 is a single-chip, low-jitter Voltage-Controlled-
Crystal-Oscillator. The device accepts a 27 MHz, 20 pF
crystal, and produces a low jitter output at the same fre-
quency. A 0 to 3.0V control signal is used to fine tune the
output clock frequency in the ±100ppm range. This finds
use in systems that have frequency matching require-
ments, such as digital satellite receivers.
VDD1
VDD2
VIN
27 MHz
Pullable
Crystal
X2
X1
Load Cap Control
Load
Caps
Oscillator
GND1
Output
Buffer
GND2
CLK
ISO9001
This document contains information on a preproduction product. Specifications and information herein are subject to change without notice.
10.29.02
1 page  
T73227
27 MHz VCXO Clock Generator IC
October 2002
- 50
Phase Noise vs. Frequency Offset
- 70
- 90
- 110
- 130
- 150
100 1K 10K 100K
Frequency Offset from 27MHz
6.0 Ordering Information
ORDERING PART
NUMBER
T73227-S08
T73227-S08-TNR
T73227-M08
T73227-M08-TNR
T73227-DIE
PACKAGE TYPE
8-pin SOIC
8-pin SOIC
8-pin MSOP
8-pin MSOP
DIE
SHIPPING
CONFIGURATION
Tubes
Tape and Reel
Tubes
Tape and Reel
Waffle-Pack
1M
TLSI reserves the right to make changes to its products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify,
before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, includ-
ing those pertaining to warranty, patent infringement, and limitation of liability.
TLSI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TLSI’s standard warranty. Testing and other quality control techniques
are utilized to the extent TLSI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government
requirements.
Customers are responsible for their applications using TLSI devices.
Information furnished by TLSI is believed to be accurate and reliable. However, no responsibility is assumed by TLSI for its use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or otherwise under any patent rights of TLSI.
TLSI and Silicon Driven are trademarks of TLSI, Inc. All other trademarks are the property of their respective owners.
TLSI Incorporated, 770 Park Avenue, Huntington NY 11743 • (631) 755-7005 • Fax 631-755-7626 • www.tlsi.com
ISO9001
5
10.29.02
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