AS1112
Datasheet - Electrical Characteristics
7 Electrical Characteristics
VCC = +3.0 to +5.5V, TAMB = -40 to +85ºC. Typical values are at TAMB = 25°C, VCC = 5V (unless otherwise specified).
Table 6. Electrical Characteristics
Symbol
VOH
Parameter
Condition
Min
Typ
Max
Unit
V
VCC -
0.5
High-Level Output Voltage
Low-Level Output Voltage
IOH = -1mA, SDO
VOL
IOL = 1mA, SDO, XERR
0.5
1
V
VIN = VCC or GND; Pins OEN, TEST,
GSCLK, CLK, SDI, LD
-1
-1
I
Input Current
µA
VIN = VCC; pin MODE, PD
VIN = GND; pin MODE, PD
All outputs off, RIREF = 10kΩ
All outputs off, RIREF = 1.3kΩ
All outputs on, RIREF = 1.3kΩ
All outputs on, RIREF = 640Ω
100
1
1.2
4
3
10
20
40
ICC
Supply Current
mA
15
30
40
IPD
Power Down Current
nA
All outputs on, VOUT = 2V,
ICOC
Constant Output Current
54
61
20
±3
±3
69
mA
RIREF = 640Ω
All outputs off, VOUT = 15V,
RIREF = 640Ω, OUT0:OUT15
ILEAK
Leakage Output Current
nA
VOUT = 2V, RIREF = 640Ω,
±4.5
±4.5
OUT0:OUT15
VOUT = 2V, RIREF = 480Ω,
OUT0:OUT15
Device to device, average current
from OUT0:OUT15, RIREF = 1920Ω
(20 mA)
ΔICOC
Constant Current Error
%
±3
±3
±4.5
±4.5
Device to device, average current
from OUT0:OUT15,
RIREF = 480Ω (80 mA)
VOUT = 2V, RIREF = 640Ω
±1
±1
±2.5
±2.5
±0.5
±0.5
OUT0:OUT15
ΔILNR
ΔILDR
Line Regulation
Load Regulation
%/V
%/V
VOUT = 2V, RIREF = 480Ω
OUT0:OUT15
VOUT = 2 to 4V, RIREF = 640Ω,
±0.1
±0.1
OUT0:OUT15
VOUT = 2 to 4V, RIREF = 480Ω,
OUT0:OUT15
Junction temperature 1
Junction temperature 1
VCC = 5V
TTEF
Thermal Error Flag Threshold
Thermal Warn Flag Threshold
150
125
ºC
ºC
TTWF
LED Short Detection
Threshold
VLSD
3.6
V
LED Open Detection
Threshold
VLOD
VIREF
0.3
0.4
V
V
Reference Voltage Output
RIREF = 640Ω
1.20
1.24
1.28
1. Specified by design. Not tested.
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