LMK6C datasheet(8/42 Pages) TI

8 / 42 page

over the parameters listed in the Recommended Operating Conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PN-Floor

Output Phase Noise Floor (fOFFSET > 10

MHz)

Fout = 156.25 MHz

–158

dBc/Hz

LVDS Output Characteristics

Fout

Output Frequency

400

MHz

VOD

Output Voltage Swing (VOH – VOL)

Under LVDS Load condition

250

350

450

VOD,DIFF Differential Output peak-peak swing

2x|VOD|

VOS

Output Common-Mode Voltage

VDD = 2.5 V/3.3 V

1.025

1.2

1.375

VOS

Output Common-Mode Voltage

VDD = 1.8 V

0.80

0.9

1.0

tR/tF

Output Rise/Fall Time

20% to 80% of VOD,DIFF

150

250

ODC

Output Duty Cycle

PN-Floor

Output Phase Noise Floor (fOFFSET > 10

MHz)

Fout = 156.25 MHz

–158

dBc/Hz

LVCMOS Output Characteristics

Fout

Output Frequency

200

MHz

VOL

Output Low Voltage

IOL = 3.6 mA, VDD = 1.8 V

0.36

VOL

Output Low Voltage

IOL = 5.0 mA, VDD = 2.5 V

0.5

IOL = 6.6 mA, VDD = 3.3 V

0.66

VOH

Output High Voltage

IOH = 3.6 mA, VDD = 1.8 V

1.44

VOH

Output High Voltage

IOH = 5.0 mA, VDD = 2.5 V

IOH = 6.6 mA, VDD = 3.3 V

2.64

tR/tF

Output Rise/Fall Time

20% to 80% of VOH – VOL, CL = 2 pF

0.5

ODC

Output Duty Cycle

PN-Floor

Output Phase Noise Floor (fOFFSET > 10

MHz)

Fout = 50 MHz

–155

dBc/Hz

Rout

Output Impedance

Maximum capacitive load

Fout > 50 MHz

Maximum capacitive load

Fout < 50 MHz

EN Input Characteristics

VIL

Input Low Voltage

0.6

VIH

Input High Voltage

1.3

IIL

Input Low Current

EN = GND

–40

µA

IIH

Input High Current

EN = VDD

µA

CIN

Input Capacitance

LVPECL and LVDS Frequency Tolerance

Total Frequency Stability

Inclusive of: solder shift, initial tolerance,

variation over –40

℃ to 85℃, variation

over rated supply voltage range, and 10

year aging at 25

℃.

±25

ppm

LVCMOS Frequency Tolerance

Total Frequency Stability

Inclusive of: solder shift, initial tolerance,

variation over –40

℃ to 105℃, variation

over rated supply voltage range, and 10

year aging at 25

℃.

±25

ppm

PSRR

Spur induced by 50 mV power supply

ripple at 156.25MHz output, VDD =

2.5V/3.3 V

Sine wave at 50 kHz

–85

dBc

Sine wave at 100 kHz

–85

dBc

Sine wave at 500 kHz

–85

dBc

Sine wave at 1 MHz

–85

dBc

Power-On Characteristics

LMK6P, LMK6D, LMK6C

SNAS826 – APRIL 2022

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