MAX6975 Maxim Integrated Products, MAX6975 Datasheet - Page 3

• Manufacturer Part Number: MAX6975
• Description: (MAX6974 / MAX6975) 24-Output PWM LED Drivers
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(V
TIMING CHARACTERISTICS
(V
Note 1: All parameters tested at T
Note 2: Specification limits apply to devices at the same T
Note 3: Guaranteed by design.
Output Slew Time LOADO
Output Low Voltage MUX_
Open-Circuit Detection
Output Voltage Slew Time
R0–R7, G0–G7, B0–B7
Full-Scale Port Output Current
R0–R7, G0–G7, B0–B7
Port-to-Port Current Matching
R0–R7, G0–G7, B0–B7
Output Load Regulation
Output Power-Supply Rejection
CLKI_ Input Frequency
CLKI_ Duty Cycle
CLKO_ Output Delay
DIN_ Setup Time
DIN_ Hold Time
DOUT_ Output Delay
LOADO Output Delay
LOADI Hold Time
Watchdog Period
DD
DD
= 3.0V to 3.6V, T
= 3.0V to 3.6V, T
PARAMETER
PARAMETER
_______________________________________________________________________________________
A
A
= T
= T
MIN
MIN
to T
to T
A
MAX
MAX
= +85°C. Specifications over temperature are guaranteed by design.
t
SYMBOL
t
SYMBOL
PD-LOADO
t
t
HD-LOADI
I
ΔI
PD-CLKO
PD-DOUT
t
ΔI
t
, unless otherwise noted. Typical values are at V
SINKFS
, unless otherwise noted. Typical values are at 3.3V, T
V
ΔI
V
HD-DIN
SU-DIN
f
OPSR
OCD
CLKI
OLM
SINK
OLR
20% to 80%, 80% to 20%, load = 10pF
I
80% to 20%, load = 50pF,
calibration DACs set to 0xFF
V
calibration DACs set to 0xFF
V
calibration DACs set to 0xFF
I
V
calibration DACs set to 0x80,
I
V
calibration DACs set to 0x80,
I
SINK
SINK
SINK
SINK
When enabled
DD
DD
D D
D D
= 3.3V , V
= 3.0 V to 3.6V , V
= 3.3V, V
= 3.3V, V
= 40mA
= 30mA (Note 2)
= 18mA
= 18mA
24-Output PWM LED Drivers
A
for T
O
O
O
= 1.2V to 3.0V ,
A
= 1.2V,
= 1.2V,
= T
CONDITIONS
CONDITIONS
O
MIN
= 1.2V ,
to T
MAX
for Message Boards
T
T
T
(Note 3)
T
T
(Note 3)
T
T
T
T
A
A
A
A
A
A
A
A
A
.
= +85°C
= T
= +125°C
= +85°C
= -40°C
= +85°C
= T
= +85°C
= T
MIN
MIN
MIN
DD
to T
to T
to T
= 3.3V, T
A
MAX
MAX
MAX
= +85°C.) (Note 1)
A
= +85°C.) (Note 1)
MIN
MIN
0.5
28
26
40
40
5
8
±0.7
±0.7
±0.9
TYP
TYP
200
125
0.3
0.6
30
3
MAX
MAX
1.15
300
100
0.4
2.7
3.3
1.5
1.7
2.0
34
33
60
16
15
18
32
2
UNITS
UNITS
mA/V
mA/V
MHz
mV
mA
ms
ns
ns
ns
ns
ns
ns
ns
ns
%
%
V
3