SI533_07 查看數據表（PDF） - Silicon Laboratories

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SI533_07

DUAL FREQUENCY CRYSTAL OSCILLATOR (XO) (10 MHZ TO 1.4 GHZ)

Silicon Laboratories 

Si533

1. Electrical Specifications

Table 1. Recommended Operating Conditions

Parameter

Symbol Test Condition

Min

Typ

Max Units

Supply Voltage1

VDD

3.3 V option

2.5 V option

2.97

3.3

3.63

2.25

2.5

2.75

V

1.8 V option

1.71

1.8

1.89

Supply Current

IDD

Output enabled

LVPECL

—

111

121

CML

—

99

108

LVDS

—

90

98

mA

CMOS

—

81

88

Tristate mode

—

60

75

Output Enable (OE)

and Frequency Select (FS)2

VIH

0.75 x VDD

—

—

V

VIL

—

—

0.5

Operating Temperature Range

TA

–40

—

85

ºC

Notes:

1. Selectable parameter specified by part number. See Section 3. "Ordering Information" on page 7 for further details.

2. OE and FS pins include a 17 kΩ pullup resistor to VDD.

Table 2. CLK± Output Frequency Characteristics

Parameter

Symbol

Test Condition

Min

Typ

Max Units

Nominal Frequency1,2

fO

LVPECL/LVDS/CML

10

—

945

MHz

CMOS

10

—

160

Initial Accuracy

fi

Measured at +25 °C at time of

shipping

—

±1.5

— ppm

Temperature Stability1,3

–7

—

+7

–20

—

+20 ppm

–50

—

+50

Aging

Frequency drift over first year

—

fa

Frequency drift over 15 year life —

—

±3 ppm

—

±10 ppm

Notes:

1. See Section 3. "Ordering Information" on page 7 for further details.

2. Specified at time of order by part number. Also available in frequencies from 970 to 1134 MHz and 1213 to 1417 MHz.

3. Selectable parameter specified by part number.

4. Time from powerup or tristate mode to fO.

2

Rev. 1.1

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