beautypg.com

Pin description, Functional diagrams – Rainbow Electronics MAX5515 User Manual

Page 11

background image

MAX5512–MAX5515

Dual, Ultra-Low-Power,

8-Bit, Voltage-Output DACs

______________________________________________________________________________________

11

Pin Description

PIN

MAX5512

MAX5513

MAX5514

MAX5515

NAME

FUNCTION

1

1

1

1

CS

Active-Low Digital Chip-Select Input

2

2

2

2

SCLK

Serial-Interface Clock Input

3

3

3

3

DIN

Serial-Interface Data Input

4

4

REFIN

Reference Input

4

4

REFOUT

Reference Output

5, 11

5, 11

N.C.

No Connection. Leave N.C. inputs unconnected
(floating) or connected to GND.

6

6

FBB

Channel B Feedback Input

5

5

7

7

OUTB

Channel B Analog Voltage Output

6

6

8

8

V

DD

Power Input. Connect V

DD

to a 1.8V to 5.5V power

supply. Bypass V

DD

to GND with a 0.1µF capacitor.

7

7

9

9

GND

Ground

8

8

10

10

OUTA

Channel A Analog Voltage Output

12

12

FBA

Channel A Feedback Input

EP

EP

Exposed Paddle

Exposed Paddle. Connect EP to GND.

8-BIT DAC

DAC

REGISTER

OUTA

REFIN

GND

MAX5512

INPUT

REGISTER

POWER-

DOWN

CONTROL

CONTROL

LOGIC

AND

SHIFT

REGISTER

8-BIT DAC

DAC

REGISTER

OUTB

SCLK

V

DD

DIN

CS

INPUT

REGISTER

Functional Diagrams