Rainbow-electronics MAX9491 Uživatelský manuál stáhnout pdf (Strana 2)

MAX9491

Factory Programmable Single PLL

Clock Generator

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

= V

DDA

= +3.0V to +3.6V and T

= -40°C to +85°C. Typical values at V

= V

DDA

= 3.3V, T

= +25°C, unless otherwise noted.)

(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.

to GND...........................................................-0.3V to +4.0V

DDA

to AGND ......................................................-0.3V to +4.0V

All Other Pins to GND ..................................-0.3V to V

+ 0.3V

Short-Circuit Duration

(all LVCMOS outputs)..............................................Continuous

ESD Protection (Human Body Model)..................................±2kV

Continuous Power Dissipation (T

= +70°C)

20-Lead TQFN (derate 21.3mW/°C above +70°C) ....2758mW

14-Pin TSSOP (derate 9.1mW/°C above +70°C) ......796.8mW

Storage Temperature Range .............................-65°C to +150°C

Maximum Junction Temperature .....................................+150°C

Operating Temperature Range ...........................-40°C to +85°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

LVCMOS INPUTS (PD, X1 as a reference INPUT CLK)

Input High Level V

2.0 V

Input Low Level V

0 0.8 V

High-Level Input Current I

= V

20 µA

Low-Level Input Current I

= 0 -20 µA

CLOCK OUTPUT (CLK_OUT)

Output High Level V

= -4mA

0.6

Output Low Level V

= 4mA 0.4 V

POWER SUPPLIES

Digital Power-Supply Voltage V

3.0 3.6 V

Analog Power-Supply Voltage V

DDA

3.0 3.6 V

Total Current for Digital and

Analog Supplies

OUT

= 45MHz, no load

= 13MHz

10 mA

Power-Down Current I

2 PD

= low 60 µA

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

Clock Generator 1
Springer 11

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