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
Input Supply
V
DD
I
CC
I
PD
Output
R
IREF
V
OUT
I
COC
Reference Current Resistor
Voltage Applied to Output
(OUT0:OUT11)
Constant Output Current
1
Supply Voltage
Supply Current
Power Down Current
All outputs on, R
IREF
= 1kΩ
All outputs on, R
IREF
= 10kΩ
RST = High, T
AMB
= +25°C
2.7
9.5
4
3.6
12
6
Parameter
Operating Temperature Range
Operating Junction Temperature
Condition
Min
-40
-40
Typ
Max
+85
+125
Unit
°C
hn
ic a
al m
co s
A
nt G
en
ts
til
10
30
All outputs on, V
OUT
= 1V,
R
IREF
= 1kΩ
38
40
42
2
V
OUT
= 1V, R
IREF
= 1kΩ, OUT0:OUT11
±0.8
V
OUT
= 1V, R
IREF
= 10kΩ, OUT0:OUT11
Device to device, average current from
OUT0:OUT11, V
OUT
= 1V, R
IREF
= 1kΩ
±1.5
4
Constant Output Current Error
±0.5
Device to device, average current from
OUT0:OUT11, V
OUT
= 1V, R
IREF
= 10kΩ
All outputs off, V
OUT
= 30V,
R
IREF
= 1kΩ, OUT0:OUT11
±0.6
20
Leakage Output Current
Line Regulation
V
OUT
= 1V, R
IREF
= 1kΩ OUT0:OUT11
±0.1
±1.5
V
OUT
= 1V, R
IREF
= 10kΩ OUT0:OUT11
V
OUT
= 1V to 4V, R
IREF
= 1kΩ,
OUT0:OUT11
±0.2
±1.5
±0.1
±0.4
Load Regulation
V
OUT
= 1V to 4V, R
IREF
= 10kΩ,
OUT0:OUT11
±0.01
±0.4
High-Level Input Voltage
Low-Level Input Voltage
0.8 x
V
DD
V
DD
GND
0.2 x
V
DD
High-Level Output Voltage
Low-Level Output Voltage
I
OH
= -1mA, SDO, CLKO
I
OL
= 1mA, SDO, CLKO
I
OL
= 3mA, IRQ
0.3
R
IREF
= 1kΩ
1.24
1.27
V
DD
-0.5
0.5
0.5
0.4
1.30
LED Open Detection Threshold
Reference Voltage Output
Revision 1.00
∆I
COC
I
LEAK
∆I
LNR
∆I
LDR
Logic Levels
V
IH
V
IL
Te
c
V
OH
V
OL
V
LOD
V
IREF
lv
40
nA
kΩ
V
mA
%
nA
%/V
%/V
V
V
V
V
V
V
V
4 - 22
al
V
mA
id
°C
AMSCO [ AUSTRIAMICROSYSTEMS AG ]
