AS1119
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, T
AMB
= -40°C to +85°C, typ. values are at T
AMB
= +25ºC (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
T
AMB
V
DD
I
DDSD
I
DDFSD
Parameter
Operating Temperature Range
Operating Supply Voltage
Software Shutdown Supply Current
Full Shutdown Supply Current
All digital inputs at V
DD
or GND, V
DD
=
5.5V, T
AMB
= +25ºC
Pin RSTN = 0V, T
AMB
= +25ºC
CP disabled @ V
DD
= 5.5V
I
DD
Operating Supply Current
(all current sources turned off)
With CP in 2:3 mode
@ V
DD
= 2.7V
With CP in 1:2 mode
@ V
DD
= 2.7V
Conditions
Min
-40
2.7
7
0.1
1.4
3
4
1
Typ
Max
85
5.5
Unit
°C
V
hn
ic a
al m
co s
A
nt G
en
ts
til
max. DC Current
700
Digit Drive Sink Current
CP disabled
500
(Drive capability of all sources of one digit )
Segment Drive Source Current LED
1,2
I
START
max. Peak Inrush Current
I
DIGIT
I
SEG
CP enabled
V
DD
< 3.3V
V
DD
≥
3.3V
ΔI
SEG
Segment Drive Current Matching LED
Saturation Voltage
Resistance for NMOS
Oscillator Frequency
Display Scan Rate
3
V
OUT
= 1.8V to V
DD
-400mV
Current = 30mA, V
DD
= 5V
28
V
DSSAT
f
OSC
R
DSON(N)
f
REFRESH
0.9
2 time 9x8 matrixes
0.39
1. Not all sources are allowed to be fully on at the same time.
2. guaranteed by design
3.
I
max
–
I
min
-
I
SEG
= --------------------------
×
100
I
max
+
I
min
Table 4. Logic Inputs/Outputs Characteristics
Symbol
I
IH
, I
IL
V
IH
V
IL
Parameter
Conditions
Logic Input Current
V
IN
= 0V or V
DD
Min
-1
1.6
Logic High Input Voltage
Logic Low Input Voltage
Hysteresis Voltage
ΔV
I
V
OL(SDA)
V
OL(IRQ)
UT)
Te
c
SDA Output Low Voltage
IRQ Output Low Voltage
I
SINK
= 3mA
I
SINK
= 3mA
I
SINK
= 1mA
I
SOURCE
= 1mA
V
DD
-0.4
SCL Frequency = 400kHz
SCL Frequency = 1000kHz
Revision 1.04
V
DD
-
0.1
0.9
V
OL(SYNC_O
UT)
Sync Clock Output Low Voltage
V
OH(SYNC_O
Sync Clock Output High Voltage
Open Detection Level Threshold
Short Detection Level Threshold
Capacitive Load for Each Bus Line
lv
mA
1.5
A
mA
mA
mA
%
mV
Ω
MHz
kHz
160
32
320
30
2
100
0.5
1
1
1.1
0.43
0.48
Typ
Max
1
0.6
Unit
µA
V
V
V
V
V
V
V
V
1.2
400
100
V
pF
0.1
0.4
0.4
0.4
V
DD
-0.4
5 - 30
al
id
µA
µA
AMSCO [ AUSTRIAMICROSYSTEMS AG ]
