SI531 Просмотр технического описания (PDF) - Silicon Laboratories

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производитель

SI531

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

Silicon Laboratories 

Si530/531

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

—

TriState mode

—

90

—

mA

60

—

Output Enable (OE)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 6 for further details.

2. OE pin includes a 17 kΩ pullup resistor to VDD. Pulling OE to ground causes outputs to tristate.

Table 2. CLK± Output Frequency Characteristics

Parameter

Symbol Test Condition

Min

Typ

Max Units

Nominal Frequency1,2

fO

LVPECL/LVDS/CML

10

CMOS

10

—

945

MHz

—

160

Initial Accuracy

fi

Measured at +25 °C at

time of shipping

—

±1.5

—

ppm

Temperature Stability1,3

∆f/fO

–20

–50

—

—

+20

+50

ppm

Aging

fa

Frequency drift over

projected 15 year life

—

—

±10

ppm

Powerup Time4

tOSC

—

—

10

ms

Notes:

1. See Section 3. "Ordering Information" on page 6 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

Preliminary Rev. 0.4

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