AS1105 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS1105

Serially Interfaced, 4-Digit LED Driver

austriamicrosystems AG 

Data Sheet AS1105

Absolute Maximum Ratings

Voltage (with respect to GND)

VDD

DIN, CLK, LOAD

All Other Pins

Current

DIG0–DIG3 Sink Current

SEGA–G, DP Source Current

Continuous Power Dissipation (TA = +85°C)

Wide SO (derate 11.8mW/°C above +70°C)

Operating Temperature Ranges (TMIN to TMAX)

AS1105xL

AS1105xE

Storage Temperature Range

Package body temperature 2

-0.3V to 6V

-0.3V to 6V

-0.3V to (VDD +0.3V)

500mA

100mA

941mW

0°C to +70°C

-40°C to +85°C

-65°C to +150°C

+240°C

Electrical Characteristics

(VDD = 5V, RSET = 9.53kΩ±1%, TA = TMIN to TMAX, unless otherwise noted.)

Parameter

Symbol Conditions

Min

Operating Supply Voltage

VDD

4.0

Shutdown Supply Current

IDDSD

All digital inputs at VDD or GND, TA =

+25°C

RSET = open circuit

Operating Supply Current

IDD All segments and decimal point on, ISEG = -

40mA

Display Scan Rate

fOSC

500

Digit Drive Sink Current

IDIGIT VOUT = 0.65V

320

Segment Drive Source Current ISEG TA = +25°C, VOUT = (VDD -1V)

-30

Segment Drive Current

Matching

∆ISEG

Digit Drive Source Current

IDIGIT Digit off, VDIGIT = (VDD -0.3V)

-2

Segment Drive Sink Current

ISEG Segment off, VSEG = 0.3V

5

Logic Inputs

Input Current DIN, CLK, LOAD IIH, IIL VIN = 0V or VDD

-1

Logic High Input Voltage

VIH

3.5

Typ Max

5.0

5.5

20

50

500

330

800 1300

-40

-45

3.0

1

Units

V

µA

µA

mA

Hz

mA

mA

%

mA

mA

µA

V

2 The reflow peak soldering temperature (body temperature) is specified according IPC/JEDEC J-STD-020B “Moisture/Reflow Sensitivity

Classification for non-hermetic Solid State Surface Mount Devices”.

Revision 1.32, Oct. 2004

Page 2 of 12

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