SI5350B datasheet(5/24 Pages) SILABS

5 / 24 page

Si5350B

Rev. 0.9

Table 3. AC Characteristics

(VDD = 2.5 V ±10%, or 3.3 V ±10%, TA = –40 to 85°C)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

VCXO Control Voltage Range

VDD/2

VDD

VCXO Gain (configurable)

Vc = 10–90% of VDD

—

150

ppm/V

VCXO Control Voltage Linearity

KVL

Vc = 10–90% of VDD

–5

—

VCXO Pull Range

(configurable)*

VDD = 3.3 V

Vc = 10–90% of VDD

±30

±240

ppm

VCXO Modulation Bandwidth

—

kHz

Power-Up Time

TRDY

From VDD =VDDmin to valid

output clock, CL =5pF,

fCLKn > 1 MHz

—2

Power-Down Time

TPD

From VDD =VDDmin,

CL =5pF, fCLKn >1MHz

—5

100

Output Enable Time

TOE

From OEB assertion to valid

clock output, CL =5pF,

fCLKn > 1 MHz

——

µs

Output Frequency Transition

Time

TFREQ

fCLKn > 1 MHz

—

µs

Spread Spectrum Frequency

Deviation

SSDEV

Down spread

–0.5

—

–2.5

Spread Spectrum Modulation

Rate

SSMOD

31.5

kHz

*Note: Contact Silicon Labs for VCXO operation at 2.5 V.

Table 4. Input Characteristics

(VDD = 2.5 V ±10%, or 3.3 V ±10%, TA = –40 to 85 °C)

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

VC Input Resistance

100

—



P0-P3 Input Low Voltage

VIL-P0-3

–0.1

—

0.3 x VDD

P0-P3 Input High Voltage

VIH_P0-3

0.7 x VDD

—3.60

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