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AS1115
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
V DD = 2.7V to 5.5V, R SET = 9.53k ? , typ. values @ T AMB = +25oC, V DD = 5.0V (unless otherwise specified). All limits are guaranteed. The
parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods.
Table 3. Electrical Characteristics
Symbol
T AMB
T J
V DD
I DDSD
Parameter
Operating Temperature Range
Operating Junction Temperature Range
Operating Supply Voltage
Shutdown Supply Current
Conditions
All digital inputs at V DD or GND,
T AMB = +25oC
Min
-40
-40
2.7
Typ
0.2
Max
+85
+125
5.5
2
Unit
°C
°C
V
A
single digit, T AMB = +85oC
4
A
R SET = open circuit.
0.35
0.6
I DD
Operating Supply Current
All segments and decimal point on;
I SEG = -40mA.
335
mA
f OSC
I DIGIT
Display Scan Rate
Digit Drive Sink Current
8 digits scanned
V OUT = 0.65V
0.48
320
0.96
kHz
mA
I SEG
? I SEG
I SEG
Segment Drive Source Current
Segment Drive Current Matching
Segment Drive Source Current
V DD = 5.0V, V OUT = (V DD -1V)
Average Current
-35
-41
3
-47
47
mA
%
mA
Table 4. Logic Inputs/Outputs Characteristics
Symbol
I IH , I IL
Parameter
Input Current SDA, SCL
Conditions
V IN = 0V or V DD
Min
-1
Typ
Max
1
Unit
A
V IH
V IL
Logic High Input Voltage SDA, SCL
Logic Low Input Voltage SDA, SCL
0.7xV DD
0.3xV DD
V
V
V OL(SDA)
V KEYopen
V KEYshort
V OL(IRQ)
? V I
C B
SDA Output Low Voltage
Keyscan Open Input Voltage
Keyscan Short Input Voltage
Interrupt Output Low Voltage
Hysteresis Voltage
Capacitive Load for each Bus Line
I SINK = 3mA
I SINK = 3mA
DIN, CLK, LD/CS
0.8xV DD
1
0.4
0.7x V DD
0.4
550
V
V
V
V
V
pF
Open Detection Level Threshold
Short Detection Level Threshold
www.austriamicrosystems.com/LED-Driver-ICs/AS1115
Revision 1.08
0.7x
V DD
0.05x
V DD
0.75x
V DD
0.1x
V DD
0.8x
V DD
0.15x V DD
V
V
4 - 25
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