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

8-Bit Voltage-Output DACs in µMAX Package

4

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__________________________________________Typical Operating Characteristics

-60

-20

20

100

OPERATING CURRENT PER DAC

vs. TEMPERATURE

75.0

74.6

149.8

150.2

TEMPERATURE (°C)

60

149.4

75.4

-60

-20

20

100

SHUTDOWN CURRENT

vs. TEMPERATURE

36

32

28

160

200

240

TEMPERATURE (°C)

60

120

40

-50

1k

10k

100k

1M

10M

MAX549A/MAX550A

REFERENCE SMALL-SIGNAL

FREQUENCY RESPONSE

-40

10

0

FREQUENCY (Hz)

-20

-30

-10

DAC CODE = FF hex

0

-100

10

1M

100k

10k

1k

100

MAX549A/MAX550A

REFERENCE AC FEEDTHROUGH

vs. FREQUENCY

-60

-80

FREQUENCY (Hz)

-40

-20

DAC CODE = 00 hex

DIGITAL FEEDTHROUGH

SCLK, 5V/div

OUT, 50mV/div

200ns/div

SETTLING TIME (FALLING)

OUT, 1V/div

2

µs/div

CS, 5V/div

DAC CODE FF hex to 00 hex