DS8884A datasheet(2/4 Pages) NSC

2 / 4 page

Absolute Maximum Ratings (Note 1)

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VCC

Input Voltage (Note 4)

VCC

Segment Output Voltage

80V

Power Dissipation

600 mW

Transient Segment Output Current

(Note 5)

50 mA

Storage Temperature Range

65 Cto a150 C

Maximum Power Dissipation at 25 C

Molded Package

1714 mW

Derate molded package 1371 mW C above 25 C

Operating Conditions

Min

Max

Units

Supply Voltage (VCC)

475

525

Temperature (TA)0

Electrical Characteristics (Notes 2 and 3)

Symbol

Parameter

Conditions

Min

Max

Units

VIH

Logical ‘‘1’’ Input Voltage

VCC e 475V

VIL

Logical ‘‘0’’ Input Voltage

VCC e 475V

IIH

Logical ‘‘1’’ Input Current

VCC e 525V VIN e 24V

IIL

Logical ‘‘0’’ Input Current

VCC e 525V VIN e 04V

250

ICC

Power Supply Current

VCC e 525V RP e 28k All Inputs e 5V

VIa

Positive Input Clamp Voltage

VCC e 475V IIN e 1 mA

VIb

Negative Input Clamp Voltage

VCC e 5V IIN eb12 mA TA e 25 C

SEGMENT OUTPUTS

All Outputs e 50V IOUT b eRef All Outputs

‘‘ON’’ Current Ratio

IbON

Output b ‘‘ON’’ Current

VCC e 5V VOUT b e 50V

RP e 181k

015

025

TA e 25 C

RP e 703k

045

055

RP e 340k

090

110

RP e 280k

108

132

ICEX

Output Leakage Current

VOUT e 75V

VBR

Output Breakdown Voltage

IOUT e 250 mA80

tpd

Propagation Delay of Any

VCC e 5VTA e 25 C

Input to Segment Output

Note 1

‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed They are not meant to imply that the devices

should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device operation

Note 2

Unless otherwise specified minmax limits apply across the 0 Cto a70 C temperature range for the DS8884A All typical values are for TA e 25 C and

VCC e 5V

Note 3

All currents into device pins shown as positive out of device pins as negative all voltages referenced to ground unless otherwise noted All values shown

as max or min on absolute value basis

Note 4

This limit can be higher for a current limiting voltage source

Note 5

In all applications transient segment output current must be limited to 50 mA This may be accomplished in DC applications by connecting a 22k resistor

from the anode-supply filter capacitor to the display anode or by current limiting the anode driver in multiplex applications

Typical Application

TLF5847 – 4

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