Rainbow Electronics MAX6964 - Manual (Page 5)

MAX6964
17-Output LED Driver/GPO
with Intensity Control
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SCOPE SHOT OF OUTPUT PORTS
MAX6964 toc07
2ms/div
OUTPUT 1,
2V/div
OUTPUT 2,
2V/div
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
MASTER INTENSITY SET TO 14/15
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 14/15
SCOPE SHOT OF OUTPUT PORTS
MAX6964 toc08
2ms/div
OUTPUT 1
2V/div
OUTPUT 2
2V/div
MASTER INTENSITY SET TO 1/15
OUTPUT 1 INDIVIDUAL INTENSITY
SET TO 1/16
OUTPUT 2 INDIVIDUAL INTENSITY
SET TO 15/16
SINK CURRENT vs. V OL
MAX6964 toc09
SINK CURRENT (mA)
V OL
(V)
40 30 20 10
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0
0 50
V+ = 3.6V
V+ = 3.3V
V+ = 2V
V+ = 2.7V
ONLY ONE OUTPUT LOADED
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
PIN
QSOP QFN
NAME FUNCTION
1, 4–11, 13–20 1–8, 10–17, 22 O0-O16 Output Ports. Open-drain outputs rated at 7V, 50mA.
2 24 RST
Reset Input. Active low clears the 2-wire interface and puts the device in the
same condition as power-up reset.
3 23 AD0
Address Input. Sets device slave address. Connect to either GND, V+, SCL, or
SDA to give 4 logic combinations. See Table 1.
12 9 GND Ground. Do not sink more than 350mA into the GND pin.
21 18 BLINK Input Port. Configurable as blink control or general-purpose input.
22 19 SCL I 2 C-Compatible Serial Clock Input
23 20 SDA I 2 C-Compatible Serial Data I/O
24 21 V+ Positive Supply Voltage. Bypass V+ to GND with a 0.047µF ceramic capacitor.
— Pad Exposed Pad Exposed pad on package underside. Connect to GND.
Pin Description