AS1110 AMSCO [austriamicrosystems AG], AS1110 Datasheet - Page 6

• Manufacturer Part Number: AS1110
• Description: Constant-Current, 16-Channel LED Driver with Diagnostics
• Manufacturer: AMSCO [austriamicrosystems AG]

AS1110
Data Sheet - 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
Table 3. Electrical Characteristics (Continued)
Switching Characteristics
V
anteed by design.
Table 4. Switching Characteristics for V
*
transfer between two cascaded LED drivers.
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t
If multiple AS1110 devices are cascaded and t
I
I
I
I
DD
GSW(ERROR)
t
Symbol
t
I
I
I
DD(OFF)0
DD(OFF)1
DD(OFF)2
DD(OFF)3
SW(ERROR)
SU(ERROR)
DD(ON)1
DD(ON)2
DD(ON)3
t
Symbol
t
t
TESTING
t
t
REXT2,1
REXT2,1
t
W(CLK)
t
SU(OE)
t
t
t
t
= 3.0 to 5.5V, V
W(OE)
t
t
SU(D)
t
SU(L)
t
STAG
P(I/O)
f
P3,OFF
P3,ON
W(L)
t
t
t
t
H(D)
t
t
t
t
H(L)
CLK
R
OR
OF
P1
P2
P3
P4
F
*
*
Current
Supply
Propagation Delay Global Error Flag
Output Rise Time of V
Output Fall Time of V
Global Error Switching Setup Time
Global Error Detection Setup Time
Propagation Delay Time (Without
Switching Time Global Error Flag
External Resistor Reaction Time
External Resistor Reaction Time
DS
OEN Time for Error Detection
Maximum Clock Frequency
Output Enable Setup Time
Staggered Output Delay)
Propagation Delay Time
Staggered Output Delay
Propagation Delay Time
= 0.8V, V
Low-Current Test Mode
(Cascade Operation)
Parameter
Setup Time for SDI
Setup Time for LD
Hold Time for SDI
Hold Time for LD
CLK Rise Time
CLK Fall Time
Pulse Width
Parameter
IH
= V
On
Off
DD
OUT
OUT
DD
, V
(Turn On)
= 5V
IL
(Turn Off)
= GND, R
r
or t
f
Revision 1.00
is large, it may be critical to achieve the timing required for data
R
R
R
R
R
R
R
EXT
EXT
EXT
EXT
EXT
EXT
EXT
EXT
Change from R
Change from R
I
OUT1
= 372Ω, V
I
= 186Ω, OUTN0:15 = Off
= Open‚ OUTN0:15 = Off
= 744Ω‚ OUTN0:15 = Off
= 372Ω‚ OUTN0:15 = Off
= 744Ω‚ OUTN0:15 = On
= 372Ω‚ OUTN0:15 = On
= 186Ω‚ OUTN0:15 = On
OUT1
OEN (@I
37.2kΩ, I
372Ω, I
= 50.52mA to R
Condition
OEN - OUTNn
= 0.5mA to R
LD - OUTNn
Conditions
CLK - SDO
Turn OFF
Turn ON
OUT2
LOAD
CLK
OUT
LD
OUT2
EXT1
EXT1
< 60mA)
> 25mA
= 4.0V, R
< 1mA
= 37.2kΩ,
= 372Ω,
EXT2
EXT2
=
LOAD
=
2000
= 64Ω, C
Min
200
15
15
20
10
10
30
Min
5
5
5
5
0.05
Typ
100
100
100
100
0.5
0.5
10.5
19.5
20
50
Typ
2.7
4.3
5.4
9.3
6.2
5
3
LOAD
= 10pF; guar-
Max
200
200
500
500
200
300
0.1
Max
10
10
40
10
5
5
1
1
13
15
26
11
6
8
9
MHz
Unit
6 - 24
Unit
mA
ns
ns
µs
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns