Rainbow-electronics MAX3627 Manual do Utilizador descarregar pdf (Página 2)

MAX3627

+3.3V, Low-Jitter, Precision Clock

Generator with Multiple Outputs

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

= +3.0V to +3.6V, T

= 0°C to +70°C, unless otherwise noted. Typical values are at V

= +3.3V, T

= +25°C, unless otherwise

noted. When using X_IN, X_OUT input, no signal is applied at OSC_IN. When PLL is enabled, PLL_BP = high-Z or high. When PLL is

bypassed, PLL_BP = low.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Supply Voltage Range at V

, V

DDA

DDO_SE

, V

DDO_DIFF

................................................

-0.3V to +4.0V

Voltage Range at Q0, Q0, Q1, Q1, Q2, Q2,

Q3, Q3, Q4, Q4, Q5, Q5, Q6, Q6, Q7,

PLL_BP, FSELA, FSELB, OE, OSC_IN ...-0.3V to (V

+ 0.3V)

Voltage Range at X_IN ..........................................-0.3V to +1.2V

Voltage Range at X_OUT

.................................

-0.3V to (V

- 0.6V)

Continuous Power Dissipation (T

= +70°C)

32-Pin TQFN-EP (derate 34.5mW/°C above +70°C)..2759mW

Operating Junction Temperature Range...........-55°C to +150°C

Storage Temperature Range .............................-65°C to +160°C

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

PLL enabled 190 256

Power-Supply Current (Note 2) I

PLL bypassed 175

LVDS OUTPUTS (Q0, Q0, Q1, Q1, Q2, Q2, Q3, Q3, Q4, Q4, Q5, Q5, Q6, Q6)

Output High Voltage V

1.475 V

Output Low Voltage V

0.925 V

Differential Output Voltage

Amplitude

| Figure 1 250 400 mV

Change in Magnitude of

Differential Output for

Complementary States

|V

| 25 mV

Output Offset Voltage V

1.125 1.275 V

Change in Magnitude of Output

Offset Voltage for

Complementary States

|V

| 25 mV

Differential Output Impedance 80 105 140 

Shorted together 5

Output Current

Short to ground (Note 3) 8

Clock Output Rise/Fall Time t

, t

20% to 80%, R

= 100 100 200 330 ps

PLL enabled 48 50 52

Output Duty-Cycle Distortion

PLL bypassed (Note 4) 46 50 54

LVCMOS/LVTTL OUTPUT (Q7)

Output Frequency 160 MHz

Output High Voltage V

= -12mA 2.6 V

Output Low Voltage V

= 12mA 0.4 V

Output Rise/Fall Time t

, t

20% to 80% at 125MHz (Note 5) 0.15 0.4 0.8 ns

PLL enabled 46 50 54

Output Duty-Cycle Distortion

PLL bypassed (Note 4) 45 50 55

Output Impedance R

OUT

15 

1 2 3 4 5 6 7 ... 10 11

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