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PDF ICS726A Data sheet ( Hoja de datos )
| Número de pieza | ICS726A | |
| Descripción | 12 TO 36 MHZ 6TSOT VCXO | |
| Fabricantes | Integrated Device Technology | |
| Logotipo |  |
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12 TO 36 MHZ 6TSOT VCXO
www.DataSheet4U.com
DATASHEET
ICS726A
Description
Used in conjunction with an external pullable quartz crystal,
this monolithic integrated circuit replaces more costly
hybrid (canned) VCXO devices. The ICS726A is designed
primarily for data and clock recovery applications such as
ADSL modems, set-top box receivers, and telecom
systems.
The frequency of the on-chip VCXO is adjusted by an
external control voltage to the VIN pin. Since VIN is a high
impedance input, it can be driven directly from an PWM RC
integrator circuit. Frequency output increases with VIN
voltage input. The usable range of VIN is 0 to 3.3 V.
Features
• Uses an inexpensive 12 to 36 MHz external crystal
• Output frequency range of 12 to 36 MHz
• On-chip VCXO with guaranteed pull range of ±115 ppm
minimum
• VCXO tuning voltage 0 to 3.3 V
• Packaged in 6-pin TSOT
• Pb (lead) free package
Block Diagram
VDD
VIN
12-36MHz
Pullable
Crystal
X1
X2
Voltage
Controlled
Crystal
Oscillator
12-36MHz
GND
IDT™ / ICS™ 12 TO 36 MHZ 6TSOT VCXO
1
ICS726A
REV D 051310
1 page  
ICS726A
12 TO 36 MHZ 6TSOT VCXO
www.DataSheet4U.VcoCmXO
AC Electrical Characteristics
VDD = 3.3 V ±5%, Ambient Temperature 0 to +70° C, unless stated otherwise
Parameter
Symbol
Conditions
Min. Typ. Max. Units
Output Frequency
Crystal Pullability,
Note 2
FO
FP 0V< VIN < 3.3 V, Note 1
12
±115
36 MHz
ppm
VCXO Gain
VIN = VDD/2 ± 1 V, Note 1
140 ppm/V
Output Rise Time
Output Fall Time
Output Clock Duty
Cycle
tOR 0.8 to 2.0 V, CL=15 pF
0.8 1.5 ns
tOF 2.0 to 0.8 V, CL=15 pF
0.8 1.5 ns
tD Measured at 1.4 V, CL=15 pF 40 50 60 %
Maximum Output
Jitter, short term
tJ CL=15 pF
100 ps
Note 1: External crystal device must conform with Pullable Crystal Specifications listed on page 3.
Marking Diagram
26AL
Notes:
1. ‘26AL’ denotes part number.
2. “L” denotes Pb (lead) free package.
3. Bottom marking: ‘####’ denotes last 4 digits of lot number
IDT™ / ICS™ 12 TO 36 MHZ 6TSOT VCXO
5
ICS726A
REV D 051310
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet ICS726A.PDF ] | |
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