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AS1122
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 +3.6V, Typical values are at T AMB = +25°C, V DD = 3.3V (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
Parameter
Operating Temperature Range
Operating Junction Temperature
Condition
Min
-40
-40
Typ
Max
+85
+125
Unit
°C
°C
Input Supply
V DD
Supply Voltage
2.7
3.6
V
I CC
I PD
Supply Current
Power Down Current
All outputs on, R IREF = 1k ?
All outputs on, R IREF = 10k ?
RST = High, T AMB = +25°C
9.5
4
40
12
6
mA
nA
Output
R IREF
V OUT
Reference Current Resistor
Voltage Applied to Output
(OUT0:OUT11)
1
10
30
k ?
V
I COC
Constant Output Current
All outputs on, V OUT = 1V,
R IREF = 1k ?
38
40
42
mA
V OUT = 1V, R IREF = 1k ? , OUT0:OUT11
V OUT = 1V, R IREF = 10k ? , OUT0:OUT11
±0.8
±1.5
2
4
? I COC
Constant Output Current Error
Device to device, average current from
OUT0:OUT11, V OUT = 1V, R IREF = 1k ?
±0.5
%
Device to device, average current from
OUT0:OUT11, V OUT = 1V, R IREF = 10k ?
±0.6
I LEAK
Leakage Output Current
All outputs off, V OUT = 30V,
R IREF = 1k ? , OUT0:OUT11
20
nA
? I LNR
? I LDR
Line Regulation
Load Regulation
V OUT = 1V, R IREF = 1k ? OUT0:OUT11
V OUT = 1V, R IREF = 10k ? OUT0:OUT11
V OUT = 1V to 4V, R IREF = 1k ? ,
OUT0:OUT11
V OUT = 1V to 4V, R IREF = 10k ? ,
OUT0:OUT11
±0.1
±0.2
±0.1
±0.01
±1.5
±1.5
±0.4
±0.4
%/V
%/V
Logic Levels
V IH
V IL
High-Level Input Voltage
Low-Level Input Voltage
0.8 x
V DD
GND
V DD
0.2 x
V DD
V
V
V OH
V OL
High-Level Output Voltage
Low-Level Output Voltage
I OH = -1mA, SDO, CLKO
I OL = 1mA, SDO, CLKO
I OL = 3mA, IRQ
V DD -0.5
0.5
0.5
V
V
V
V LOD
LED Open Detection Threshold
0.3
0.4
V
V IREF
Reference Voltage Output
R IREF = 1k ?
1.24
1.27
1.30
V
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