PL500-17SC-R datasheet(4/6 Pages) MICREL

4 / 6 page

PL500-17

Low Phase Noise VCXO (17MHz to 36MHz)

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944 -0800 • fax +1(408) 474-1000 • www.micrel.com Rev 6/15/10 Page 4

3. AC Electrical Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Input Crystal Frequency

Fin

Fundamental Mode

MHz

Output Clock Rise/Fall Time

tr / tf

0.8V to 2.0V, 10 pF load

1.15

tr / tf

0.3V to 3.0V, 15 pF load

3.7

Output Clock Duty Cycle

Output Enable/Disable Time

tOE

Start-Up Time

tSU

4. Jitter and Phase Noise Specifications

PARAMETERS

CONDITIONS

MIN.

TYP.

MAX.

UNITS

RMS Period Jitter

(1 sigma – 1000 samples)

With capacitive decoupling between

VDD and GND.

2.5

Phase Noise,

Relative to Carrier

27MHz @100Hz offset

-100

dBc/Hz

27MHz @1kHz offset

-125

dBc/Hz

27MHz @10kHz offset

-142

dBc/Hz

27MHz @100kHz offset

-150

dBc/Hz

27MHz @1MHz offset

-150

dBc/Hz

5. DC Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Supply Current,

Dynamic

IDD

27MHz, 15pF Load, 3.3V

3.7

27MHz, 15pF Load, 2.5V

2.4

3.5

Supply Current,

Output Disabled

IDD_OE

27MHz, 3.3V, OE=Low

1.4

27MHz, 2.5V, OE=Low

Operating Voltage

VDD

2.25

3.63

Output Low Voltage,CMOS

VOLC

IOL = +4mA

0.4

Output High Voltage, CMOS

VOHC

IOH = -4mA

VDD – 0.4

Output Drive Current

For VOL<0.4V or VOH>2.4V

9.5

VCXO Control Voltage

VCON

VDD

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