SI5346 datasheet(9/59 Pages) SILABS

Teilenummer	SI5346

Bauteilbeschribung	DUAL/QUAD DSPLL ANY-FREQUENCY, ANY-OUTPUT JITTER ATTENUATORS

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Si5347/46

Rev. 1.1

9

Common Mode Voltage1,2,3

Normal Mode or Low Power Modes

VCM

VDDO = 3.3 V

LVDS

1.10

1.25

1.35

V

LVPECL

1.90

2.05

2.15

VDDO = 2.5 V

LVPECL,

LVDS

1.15

1.25

1.35

VDDO = 1.8 V

sub-LVDS

0.87

0.93

1.00

Rise and Fall Times

(20% to 80%)

tR/tF

Normal Mode

—

170

240

ps

Low Power Mode

—

300

430

Differential Output Impedance2

ZO

Normal Mode

—

100

—



Low Power Mode

—

650

—



Table 5. Differential Clock Output Specifications (Continued)

(VDD = 1.8 V ±5%, VDDA = 3.3V ±5%, VDDO = 1.8 V ±5%, 2.5 V ±5%, or 3.3 V ±5%, TA = –40 to 85 °C)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Notes:

1. Output amplitude and common mode voltage are programmable through register settings and can be stored in NVM.

Each output driver can be programmed independently. The typical normal mode (or low power mode) LVDS maximum

is 100 mV (or 80 mV) higher than the TIA/EIA-644 maximum.Refer to the Si5347/46 Family Reference Manual for

more suggested output settings. Not all combinations of voltage amplitude and common mode voltages settings are

possible.

2. Driver output impedance depends on selected output mode (Normal, Low Power). Refer to the Si5347/46 Family

Reference Manual for more information.

3. Measured for 156.25 MHz carrier frequency. Sinewave noise added to VDDO (1.8 V = 50 mVpp, 2.5 V/

3.3 V = 100 mVpp) and noise spur amplitude measured.

4. Measured across two adjacent outputs, both in LVDS mode, with the victim running at 155.52 MHz and the aggressor

at 156.25 MHz. Refer to application note, “AN862: Optimizing Si534x Jitter Performance in Next Generation Internet

Infrastructure Systems”, guidance on crosstalk minimization. Note that all active outputs must be terminated when

measuring crosstalk.

OUTx

Vpp_se

Vpp_diff = 2*Vpp_se

Vcm

Ähnliche Beschreibung - SI5346

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Silicon Laboratories	SI5347	948Kb / 55P	Dual/Quad DSPLL Any-Frequency, Any-Output Jitter Attenuators
Skyworks Solutions Inc.	SI5347	879Kb / 56P	Dual/Quad DSPLL™ Any-Frequency, Any-Output Jitter Attenuators Rev. 1.1
Skyworks Solutions Inc.	SI5397	1Mb / 60P	Dual/Quad DSPLL™ Any-Frequency, Any-Output Jitter Attenuators Rev. 1.2
Silicon Laboratories	SI5341	2Mb / 56P	LOW-JITTER, 10-OUTPUT, ANY-FREQUENCY, ANY-OUTPUT CLOCK GENERATOR
	SI5345	1Mb / 60P	10-Channel, Any-Frequency, Any-Output Jitter Attenuator/ Clock Multiplier
	SI5345	1Mb / 62P	10-CHANNEL, ANY-FREQUENCY, ANY-OUTPUT JITTER ATTENUATOR/CLOCK MULTIPLIER
Skyworks Solutions Inc.	SI5391	1Mb / 45P	Ultra Low-Jitter, 12-Output, Any-Frequency, Any-Output Clock Generator Rev. 0.7
	SI5345	976Kb / 58P	10-Channel, Any-Frequency, Any-Output Jitter Attenuator/ Clock Multiplier Rev. 1.2
	SI5334	1Mb / 37P	PIN-CONTROLLED ANY-FREQUENCY, ANY-OUTPUT QUAD CLOCK GENERATOR Rev. 1.3
	SI5341	1Mb / 49P	Low-Jitter, 10 or 4-Output, Any-Frequency, Any-Output Clock Generator Rev. 1.1

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