AS1115 austriamicrosystems AG, AS1115 Datasheet - Page 4

• Manufacturer Part Number: AS1115
• Description: Interfaced LED Driver
• Manufacturer: austriamicrosystems AG

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
specified).
Table 3. Electrical Characteristics
Table 4. Logic Inputs/Outputs Characteristics
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DD
V
V
V
Symbol
Symbol
V
KEYshort
ΔI
I
OL(SDA)
KEYopen
I
I
OL(IRQ)
f
IH
DDSD
I
I
V
DIGIT
= 2.7 to 5.5V, R
V
ΔV
I
OSC
SEG
SEG
V
DD
SEG
DD
, I
IH
IL
I
IL
Operating Supply Voltage
Shutdown Supply Current
Operating Supply Current
Display Scan Rate
Digit Drive Sink Current
Segment Drive Source Current
Segment Drive Current Matching
Segment Drive Source Current
Parameter
Input Current SDA, SCL
Logic High Input Voltage SDA, SCL
Logic Low Input Voltage SDA, SCL
SDA Output Low Voltage
Keyscan Open Input Voltage
Keyscan Short Input Voltage
Interrupt Output Low Voltage
Hysteresis Voltage
Capacitive Load for Each Bus Line
Open Detection Level Threshold
Short Detection Level Threshold
SET
= 9.53kΩ, T
Parameter
AMB
= -40 to +85°C, typ. values @ T
All digital inputs at V
GND, T
R
All segments and decimal
point on; I
8 digits scanned
V
V
Average Current
V
I
I
DIN, CLK, LD/CS
SINK
SINK
OUT
DD
SET
IN
Revision 1.03
= 0V or V
= 5.0V, V
= 3mA
= 3mA
= open circuit.
= 0.65V
AMB
Conditions
Conditions
SEG
= +25ºC
DD
OUT
= -40mA.
= (V
DD
AMB
DD
or
-1V)
= +25ºC, V
0.7xV
0.8xV
0.05x
0.7x
V
V
Min
0.48
-1
Min
320
2.7
-35
DD
DD
DD
DD
DD
= 5.0V (unless otherwise
0.75x
0.1x
0.35
Typ
V
V
400
Typ
335
0.2
-41
1
3
DD
DD
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0.7x V
0.3xV
0.15x
Max
0.96
Max
0.8x
V
V
5.5
0.6
-47
47
0.4
0.4
2
1
DD
DD
DD
DD
Unit
kHz
Unit
mA
mA
mA
mA
µA
4 - 24
µA
pF
%
V
V
V
V
V
V
V
V
V
V