+2.5V to +5.5V, Low-Power, Single/Dual,

8-Bit Voltage-Output DACs in µMAX Package

14

______________________________________________________________________________________

TRANSISTOR COUNT: 1562

_________________________________________________________Functional Diagram

_Ordering Information (continued)

___________________Chip Information

DAC A

INPUT

REGISTER

DAC A

REGISTER

DAC A

R-2R LADDER

SCLK

DIN

OUTA

OUTB

REF

MAX549A/

MAX550A

ONLY

MAX548A

ONLY

MAX548A/

MAX549A

ONLY

INPUT

SHIFT

REGISTER

AND

CONTROL

8

CS

MAX548A

MAX549A

MAX550A

GND

LDAC

MAX548A/

MAX550A

ONLY

DAC B

INPUT

REGISTER

DAC B

REGISTER

DAC B

R-2R LADDER

8

8

8

8

8

PART

MAX549ACPA

MAX549ACUA

MAX549AC/D

0°C to +70°C

0°C to +70°C

0°C to +70°C

TEMP. RANGE

PIN-PACKAGE

8 Plastic DIP

8 µMAX

Dice*

MAX549AEPA

MAX549AEUA

-40°C to +85°C

-40°C to +85°C

8 Plastic DIP

8 µMAX

MAX550ACPA

MAX550ACUA

MAX550AC/D

0°C to +70°C

0°C to +70°C

0°C to +70°C

8 Plastic DIP

8 µMAX

Dice*

MAX550AEPA

MAX550AEUA

-40°C to +85°C

-40°C to +85°C

8 Plastic DIP

8 µMAX

*