Datasheet

10-Port Constant-Current LED Drivers and I/O
Expanders with PWM Intensity Control
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2.25V to 3.6V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V+ = 3.3V, T
A
=
+25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input High Voltage
(P0–P9, DIN, SCLK, CS, OSC)
V
IH
P0–P9: output register set to 0x01
0.7 x
V+
V
Input Low Voltage
(P0–P9, DIN, SCLK, CS, OSC)
V
IL
P0–P9: output register set to 0x01
0.3 x
V+
V
Input Leakage Current
(P0–P9, DIN, SCLK, CS, OSC)
I
IH
, I
IL
-0.2 +0.2
µA
Input Capacitance
(P0–P9, DIN, SCLK, CS, OSC)
(Note 2) 10 pF
19.3
20
21.1
T
A
= +25°C
9.5 10
10.7
18.8 21.8
Port Nominal Sink Constant
Current
(P0–P9) (Global Current Register
Set to 0x07)
I
OUT
Output register set to
0x02,
V+ = 3.3V, V
EXT
- V
LED
=
1V to 2.5V (Note 3)
T
A
= T
MIN
to
+85°C
9.1
11.0
mA
Port Logic Output Low Voltage
(P0–P9)
V
OLP_
Output register set to 0x00,
I
SINK
= 0.5mA
0.4 V
Port Logic Output Low Short-
Circuit Current (P0–P9)
Output register set to 0x00,
V
OLP_
= 5V
10.8
20 mA
Port Slew Time From 20% current to 80% current 2 µs
T
A
= +25°C, V+ = 3.3V, V
EXT
- V
LED
= 1.4V,
I
OUT
= 20mA
±1.5
±4
Port Sink Constant-Current
Matching
∆I
OUT
T
A
= +25°C, V+ = 3.3V, V
EXT
- V
LED
= 1.4V,
I
OUT
= 10mA
±2 ±5
%
Output High Voltage
(DOUT)
V
OHDOUT
I
SOURCE
= 6mA
V+ -
0.3V
V
Output Low Voltage
(DOUT)
V
OLDOUT
I
SINK
= 6mA 0.3 V
MAX6966/MAX6967
Maxim Integrated
3