3.0

POWER SUPPLY

Line

Parameter

Test Condition

Value

Unit

3.1

Supply voltage

Normally specified as nominal (Vcc) ±5%.

Nominal value 3.3V

2.5 to 5.5

V

3.2

Supply current

3.3V, load 15pF (min.@ 10MHz, max.@ 40MHz).

Nominal value 4 mA

2 to 6

mA

3.3

Supply current

RF output disabled (min.@ 10MHz, max.@ 40MHz).

Nominal value 1.6 mA

1.4 to 1.8

mA

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4.0

HCMOS OSCILLATOR OUTPUT

Line

Parameter

Test Condition

Value

Unit

4.1

Output waveform

HCMOS

4.2

Output voltage level

low

10 max

%Vcc

4.3

Output voltage level

high

90 min

%Vcc

4.4

Rise and fall times

10% to 90% of Voh-Vol.

Nominal value 6 ns

4 to 8

ns

4.5

Duty cycle

Measured at 50% Vcc

45 to 55

%

4.6

Load

Normally specified at CL±10%.

Nominal value 15 pF

10 to 50

pF

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5.0

CLIPPED SINEWAVE OSCILLATOR OUTPUT

Line

Parameter

Test Condition

Value

Unit

5.1

Output waveform

Clipped sinewave (DC coupled)

5.2

Output voltage level

Peak to peak voltage measured at minimum supply voltage

0.8

V

5.3

Output load

resistance

Operating range

9 to 11

kΩ

5.4

Output load

capacitance

Operating range

9 to 11

pF

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6.0

RF OUTPUT TRISTATE CONTROL

Line

Parameter

Test Condition

Value

Unit

6.1

Output enabled

Active high or open circuit ≥0.6 Vcc (100 kΩ internal pull up)

60 min

%Vcc

6.2

Output tristate mode

20 max

%Vcc

6.3

Tri-state control

In tri-state mode, the RF output stage is disabled but the

oscillator, compensation circuit and digital section are still active.

An RF enable signal to stable frequency operation is therefore

very rapid

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7.0

SSB PHASE NOISE

Line

Parameter

Test Condition

Value

Unit

7.1

SSB phase noise

power density at

10Hz offset

Typical at 10MHz

-95

dBc/Hz

7.2

SSB phase noise

power density at

100kHz offset

Typical at 10MHz

-145

dBc/Hz

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8.0

LF TIMING PULSE: PULSE WIDTH

Line

Parameter

Test Condition

Value

Unit

8.1

LF pulse width

Ripple counter setting. User programmable register.

Divider ratio at power up: 64

4 to 64

Divider

ratio

8.2

LF pulse width

LF timing pulse width = oscillator period * ripple

0.1 to 6.4

μs

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