MAX6947 Maxim Integrated Products, MAX6947 Datasheet - Page 3

• Manufacturer Part Number: MAX6947
• Description: Constant-Current LED Drivers and I/O Expanders
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
Input High Voltage
(P0–P9, SDA, SCL, RST, AD0, OSC)
Input Low Voltage
(P0–P9, SDA, SCL, RST, AD0, OSC)
Input Leakage Current
(P0–P9, SDA, SCL, RST, AD0, OSC)
Input Capacitance
(P0–P9, SDA, SCL, RST, AD0, OSC)
10mA Port Nominal Sink Constant
Current (P0–P9)
20mA Port Nominal Sink Constant
Current (P0–P9)
Port Sink Current Variation with Port
Voltage Drop
Port Logic Output Low Voltage
(P0–P9)
Port Logic Output Low
Short-Circuit Current (P0–P9)
Port Slew Time
Output Low Voltage
(SDA)
DD
= 2.25V to 3.6V, T
PARAMETER
10-Port, Constant-Current LED Drivers and
I/O Expanders with PWM Intensity Control
_______________________________________________________________________________________
A
= T
MIN
to T
MAX
SYMBOL
V
, unless otherwise noted. Typical values are at V
I
∆I
V
OLSDA
IH
I
I
V
OUT
OUT
OLP_
V
OUT
, I
IH
IL
IL
P0–P9: output register set to 0x01
P0–P9: output register set to 0x01
(Note 2)
Outp ut r eg i ster set to 0x02,
V
V
Outp ut r eg i ster set to 0x02,
V
V
T
I
T
I
Output register set to 0x00,
I
Output register set to 0x00,
V
From 20% current to 80% current
I
OUT
OUT
SINK
SINK
A
A
D D
E X T
D D
E X T
OLP_
= +25°C, V
= +25°C, V
= 3.3V ,
= 3.3V ,
- V
- V
= 20mA
= 10mA
= 0.5mA
= 6mA
= 5V
LE D
LE D
= 1V ( N ote 3)
= 1V ( N ote 3)
DD
DD
CONDITIONS
= 3.3V, V
= 3.3V, V
P0
P0
T
T
T
T
A
A
A
A
to V
to V
= +25°C
= T
= +25°C
= T
P9
P9
MIN
MIN
= 1.4V,
= 1.4V,
to +85°C
to +85°C
DD
= 3.3V, T
x V
A
19.00
18.6
MIN
-0.2
0.7
9.3
9.1
= +25°C.) (Note 1)
DD
±2.0
±2.0
TYP
10
10
20
10
2
x V
21.12
MAX
+0.2
10.5
11.0
21.8
±4.0
±5.0
300
0.3
0.5
DD
UNITS
mA
mA
mA
mV
µA
pF
µs
%
V
V
V
3