Rainbow-electronics DS1099 Manual de usuario descargar pdf (Pagina 6)

DS1099

Low-Frequency Dual EconOscillator

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

6 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

The divider settings, X

and X

, are factory pro-

grammed. When placing an order for the DS1099, it is

required to specify X

and X

. If only one output is used,

it is recommended that the unused output be disabled.

The oscillator outputs are asynchronous. Since the

master oscillator and dividers are free running, even

when both outputs are disabled, the state of the output

when OE becomes active is unknown for up to half an

OUT

period. When OE is brought low, the output is

enabled instantaneously. Likewise, if the output is dis-

abled while outputting the low half of a cycle, the out-

put instantaneously is forced high before the current

cycle is completed.

Application Information

Power-Supply Decoupling

To achieve best results, it is highly recommended that

a decoupling capacitor is used on the IC power-supply

pins. Typical values of decoupling capacitors are

0.01µF and 0.1µF. Use a high-quality, ceramic, sur-

face-mount capacitor, and mount it as close as possi-

ble to the V

and GND pins of the IC to minimize lead

inductance.

Chip Topology

TRANSISTOR COUNT: 4221

SUBSTRATE CONNECTED TO GROUND

Package Information

For the latest package outline information, go to

www.maxim-ic.com/DallasPackInfo

Ordering Information (continued)

αα

DIVISOR f

OUT

1.048MHz

0.524MHz

0.262MHz

0.131MHz

65.50kHz

32.750kHz

16.375kHz

8.187kHz

4.093kHz

2.046kHz

1.023kHz

511.7Hz

255.8Hz

127.9Hz

63.96Hz

31.98Hz

16Hz

8Hz

4Hz

2Hz

1Hz

0.5Hz

0.25Hz

Branding Information

The package branding includes α

and α

on the top

of the package next to or below 1099.

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