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CAT4008
Table 3. ELECTRICAL OPERATING CHARACTERISTICS
(V DD = 5.0 V, T AMB = 25 ° C, over recommended operating conditions unless specified otherwise.)
Symbol
Name
Conditions
Min
Typ
Max
Units
DC CHARACTERISTICS
I LED ? ACC
LED Current (any channel)
V LED = 1 V, R SET = 3.08 k W
18
20
22
mA
V LED = 1 V, R SET = 1.54 k W
V LED = 1 V, R SET = 769 W
36
40
80
44
I LED ? MAT
LED Current Matching
V LED = 1 V, R SET = 3.08 k W
± 1.5
%
(I LED ? I LEDAVR ) / I LEDAVR
V LED = 1 V, R SET = 1.54 k W
? 6.0
± 1.5
+6.0
V LED = 1 V, R SET = 769 W
± 2.0
Δ I VDD
LED current regulation vs. V DD
V DD within 4.5 V and 5.5 V
± 0.1
%/V
LED current 30 mA
Δ I VLED
LED current regulation vs. V LED
V LED within 1 V and 3 V
± 0.05
%/V
LED current 30 mA
I DDOFF
Supply Current (all outputs off)
R SET = 3.08 k W
2
8
mA
R SET = 769 W
5.5
I DDON
Supply Current (all outputs on)
R SET = 3.08 k W
2.5
9
mA
R SET = 769 W
6.2
I LKG
LEDn output Leakage
V LED = 5 V, outputs off
? 1
1
m A
R LATCH
R BLANK
V IH
LATCH Pull ? down Resistance
BLANK Pull ? up Resistance
Logic high input voltage
100
100
0.7xV DD
180
180
300
300
k W
k W
V
V IL
Logic low input voltage
0.3xV DD
V HYS
Logic input hysteresis voltage
0.1xV DD
V
I IL
V OH
Logic Input leakage current
(CLK, SIN)
SOUT logic high output voltage
V I = V DD or GND
I OH = ? 1 mA
? 5
V CC ? 0.3 V
0
5
m A
V
V OL
SOUT logic low output voltage
I OL = 1 mA
0.3
V RSET
RSET Regulated Voltage
BLANK high, outputs off
1.17
1.20
1.23
V
T SD
T HYST
Thermal Shutdown
Thermal Hysteresis
160
20
° C
° C
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