Rainbow-electronics MAX6964 Manual de usuario descargar pdf (Pagina 5)

MAX6964

17-Output LED Driver/GPO

with Intensity Control

_______________________________________________________________________________________ 5

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

MAX6964 toc09

SINK CURRENT (mA)

(V)

40302010

0.05

0.10

0.15

0.20

0.25

0.30

0.35

050

V+ = 3.6V

V+ = 3.3V

V+ = 2V

V+ = 2.7V

ONLY ONE OUTPUT LOADED

Typical Operating Characteristics (continued)

= +25°C, unless otherwise noted.)

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.

224RST

Reset Input. Active low clears the 2-wire interface and puts the device in the

same condition as power-up reset.

323AD0

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

C-Compatible Serial Clock Input

23 20 SDA I

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

1 2 3 4 5 6 7 8 9 10 ... 22 23

17-Output LED Driver/GPO 1

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Rainbow-electronics MAX6964 Manual de usuario Pagina 5

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