LMK61A2-125M datasheet(5/23 Pages) TI1

Part #	LMK61A2-125M

Description	High-Performance Ultra-Low Jitter Oscillator

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Manufacturer	TI1 [Texas Instruments]

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LMK61E2-100M, LMK61E2-125M, LMK61E2-156M, LMK61E2-312M

LMK61A2-100M, LMK61A2-125M, LMK61A2-156M, LMK61A2-312M, LMK61I2-100M

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SNAS676A – OCTOBER 2015 – REVISED NOVEMBER 2015

LVPECL Output Characteristics

(1) (continued)

VDD = 3.3 V ± 5%, TA = -40C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ODC

Output Duty Cycle(3)

45%

55%

6.7 LVDS Output Characteristics

(1)

VDD = 3.3 V ± 5%, TA = -40°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fOUT

Output Frequency(1)

10

900

MHz

VOD

Output Voltage Swing

300

390

480

mV

(VOH - VOL)

(1)

VOUT, DIFF, PP Differential Output Peak-to-

2 x

V

Peak Swing

|VOD|

VOS

Output Common Mode

1.2

V

Voltage

tR / tF

Output Rise/Fall Time (20% to

150

250

ps

80%)(2)

PN-Floor

Output Phase Noise Floor

156.25 MHz

-162

dBc/Hz

(fOFFSET > 10 MHz)

ODC

Output Duty Cycle(2)

45%

55%

ROUT

Differential Output Impedance

125

Ohm

(1)

An output frequency over fOUT max spec is possible, but output swing may be less than VOD min spec.

(2)

Ensured by characterization.

6.8 HCSL Output Characteristics

(1)

VDD = 3.3 V ± 5%, TA = -40°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fOUT

Output Frequency

10

400

MHz

VOH

Output High Voltage

600

850

mV

VOL

Output Low Voltage

-100

100

mV

VCROSS

Absolute Crossing

250

475

mV

Voltage(2)(3)

VCROSS-DELTA Variation of VCROSS

(2) (3)

0

140

mV

dV/dt

Slew Rate(4)

0.8

2

V/ns

PN-Floor

Output Phase Noise Floor

100 MHz

-164

dBc/Hz

(fOFFSET > 10 MHz)

ODC

Output Duty Cycle(4)

45%

55%

(1)

Refer to Parameter Measurement Information for relevant test conditions.

(2)

Measured from -150 mV to +150 mV on the differential waveform with the 300 mVpp measurement window centered on the differential

zero crossing.

(3)

Ensured by design.

(4)

Ensured by characterization.

6.9 OE Input Characteristics

VDD = 3.3 V ± 5%, TA = -40°C to 85°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIH

Input High Voltage

1.4

V

VIL

Input Low Voltage

0.6

V

IIH

Input High Current

VIH = VDD

-40

40

uA

IIL

Input Low Current

VIL = GND

-40

40

uA

CIN

Input Capacitance

2

pF

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125M LMK61A2-156M LMK61A2-312M LMK61I2-100M

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LMK61A2-125M Datasheet(PDF) 5 Page - Texas Instruments

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