MAX512 Просмотр технического описания (PDF) - Maxim Integrated

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MAX512

Low-Cost, Triple, 8-Bit Voltage-Output DACs with Serial Interface

Maxim Integrated 

Low-Cost, Triple, 8-Bit Voltage Output DACs

with Serial Interface

____________________________Typical Operating Characteristics (continued)

(TA = +25°C, unless otherwise noted.)

SUPPLY CURRENT

vs. REFERENCE VOLTAGE

1.5

1.0

IDD, VDD = 5V, VSS = -5V

0.5

IDD, VDD = 3V, VSS = -3V

REFC GROUNDED FOR REF_ < 0

0 CODE = ALL 1s

-0.5

ISS, VDD = 3V, VSS = -3V

-1.0

ISS, VDD = 5V, VSS = -5V

-1.5

-5 -4 -3 -2 -1 0 1 2 3 4

REFAB = REFC (V)

REFERENCE FEEDTHROUGH

vs. FREQUENCY

0 VDD = 3V, VSS = GND = 0V

REF_ FROM 0V TO 2.9V

-20 NO LOAD

CODE = ALL 0s

-40

DAC C

-60

POSITIVE SUPPLY CURRENT

vs. TEMPERATURE

1.370

1.365

1.360

1.355

1.350

1.345

1.340

-60 -40 -20

VDD = +5V, VSS = GND = 0V

REFAB = REFC = VDD

ALL LOGIC INPUTS = +5V

ALL DACs SET TO ALL 1s

0 20 40 60 80 100 120 140

TEMPERATURE (°C)

REFERENCE LARGE-SIGNAL

FREQUENCY RESPONSE

5

0

-5

-10

-80

DAC A, B

-100

-120

0.01

0.1

1

10 100

FREQUENCY (kHz)

1000

-15

-20 VDD = 3V, VSS = GND = 0V

REFAB, REFC

-25 SINE WAVE 0V TO VDD

0.001 0.01 0.1 1 10 100 1000

FREQUENCY (kHz)

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

4.5

VDD = +5V, VSS = GND = 0V

4.0 REFAB = REFC = VDD

ALL LOGIC INPUTS = +5V

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0

-60 -40 -20 0 20 40 60 80 100 120 140

TEMPERATURE (°C)

REFERENCE SMALL-SIGNAL

FREQUENCY RESPONSE

0

DAC A

-20

DAC C

DAC B

-40

-60

VDD = 3V, VSS = GND = 0V

REFAB, REFC

-80 SINE WAVE ±40mV

0.1k 1k

10k 100k 1M 10M

FREQUENCY (Hz)

_______________________________________________________________________________________ 5

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