LMK00105 datasheet(8/30 Pages) TI1

Part #	LMK00105

Description	Ultra-Low Jitter LVCMOS Fanout Buffer and Level Translator

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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0

50

100

150

200

250

0

5

10

15

FREQUENCY (MHz)

Cload = 10 pF

Vddo = 1.5 V

Vddo = 1.8 V

Vddo = 2.5 V

Vddo = 3.3 V

0

200

400

600

800

1000

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

FREQUENCY (MHz)

Rterm=50

Vddo=1.5 V

Vddo=1.8 V

Vddo=2.5 V

Vddo=3.3 V

LVCMOS Output

CLKin Source

0.5

1.0

1.5

2.0

2.5

3.0

0

50

100

150

200

250

300

350

400

450

500

DIFFERENTIAL INPUT SLEW RATE (V/ns)

Fclk-100 MHz

Int. BW=1-20 MHz

-40 C

25 C

85 C

CLKin Source

0.5

1.0

1.5

2.0

2.5

3.0

-170

-165

-160

-155

-150

-145

-140

DIFFERENTIAL INPUT SLEW RATE (V/ns)

Fclk=100 MHz

Foffset=20 MHz

-40 C

25 C

85 C

CLKin Source

LMK00105

SNAS579G – MARCH 2012 – REVISED DECEMBER 2014

www.ti.com

6.6 Typical Characteristics

Unless otherwise specified: Vdd = Vddo = 3.3 V, TA = 20 °C, CL = 5 pF, CLKin driven differentially, input slew rate ≥ 2 V/ns.

Figure 1. RMS Jitter vs. CLKin Slew Rate @ 100 MHz

Figure 2. Noise Floor vs. CLKin Slew Rate @ 100 MHz

Test conditions: LVCMOS Input, slew rate

≥ 2 V/ns, CL = 5 pF in

parallel with 50

Ω, BW = 1 MHz to 20 MHz

Figure 4. LVCMOS Output Swing vs. Frequency

Figure 3. LVCMOS Phase Noise @ 100 MHz

Figure 5. Iddo per Output vs Frequency

8

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