MAX6975 查看數據表（PDF） - Maxim Integrated

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MAX6975

24-Output PWM LED Drivers for Message Boards

Maxim Integrated 

PIN

1

2

3

4

5

6

7

8–15

16–23

24, 40

25

26

27

28

29

30

31

32–39

EP

NAME

MUX0

CLKI+

CLKI-

DIN+

DIN-

LOADI

I.C.

R0–R7

G0–G7

VDD

LOADO

DOUT-

DOUT+

CLKO-

CLKO+

MUX1

AGND

B7–B0

GND

24-Output PWM LED Drivers

for Message Boards

Pin Description

FUNCTION

Multiplex 0 Active-Low, Open-Drain Output. Use MUX0 to drive a pnp transistor.

PWM and Serial-Interface Noninverting Clock LVDS Input

PWM and Serial-Interface Inverting Clock LVDS Input

Serial-Interface Noninverting Data LVDS Input

Serial-Interface Inverting Data LVDS Input

Serial-Interface Load CMOS Input

Internally Connected. Connect to GND.

Red LED Drive Outputs. R0 to R7 are open-drain, constant-current sinks.

Green LED Drive Outputs. G0–G7 are open-drain, constant-current sinks.

Positive Supply Voltage. Bypass VDD to GND with a 0.1µF ceramic capacitor.

Serial-Interface Load CMOS Output

Serial-Interface Inverting Data LVDS Output

Serial-Interface Noninverting Data LVDS Output

PWM and Serial-Interface Inverting Clock LVDS Output

PWM and Serial-Interface Noninverting Clock LVDS Output

Multiplex 1 Active-Low, Open-Drain Output. Use MUX1 to drive a pnp transistor.

Analog Ground. Connect to GND.

Blue LED Drive Outputs. B0 to B7 are open-drain, constant-current sinks.

Power Ground. Exposed pad on package underside must be connected to GND.

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