MAX5302 Просмотр технического описания (PDF) - Maxim Integrated

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MAX5302

Low-Power, 12-Bit Voltage-Output DAC with Serial Interface

Maxim Integrated 

Low-Power, 12-Bit Voltage-Output DAC

with Serial Interface

__________________________________________Typical Operating Characteristics

(VDD = +5V, RL = 5kΩ, CL = 100pF, TA = +25°C, unless otherwise noted.)

INTEGRAL NONLINEARITY

vs. REFERENCE VOLTAGE

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

-0.4

-0.5

0.4 1.2 2.0 2.8 3.6 4.4

REFERENCE VOLTAGE (V)

REFERENCE VOLTAGE INPUT

FREQUENCY RESPONSE

0

-4

-8

-12

-16

-20

0

500k 1M 1.5M 2M 2.5M 3M

FREQUENCY (Hz)

SUPPLY CURRENT

vs. TEMPERATURE

400

380 RL = ∞

360

340

320

300

280

260

240

220

200

-60 -20

20

60 100 140

TEMPERATURE (°C)

POWER-DOWN SUPPLY CURRENT

vs. TEMPERATURE

10

9

8

7

6

5

4

3

2

1

0

-60 -20

20

60 100 140

TEMPERATURE (°C)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

500

450

400

350

300

250

200

150

100

50

0

4.0 4.4

4.8

5.2

5.6

6.0

SUPPLY VOLTAGE (V)

OUTPUT FFT PLOT

FULL-SCALE OUTPUT vs. LOAD

0

2.49980

VREF = 3.6Vp-p

CODE = FULL SCALE

-20

fIN = 1kHz

2.49976

2.49972

-40

2.49968

-60

2.49964

-80

2.49960

TOTAL HARMONIC DISTORTION

PLUS NOISE vs. FREQUENCY

-50

-55

VREF = 2.5VDC + 1Vp-p SINE

CODE = FULL SCALE

-60

-65

-70

-75

-80

-85

-90

1

10

100

FREQUENCY (kHz)

REFERENCE FEEDTHROUGH

AT 1kHz

0

REFERENCE INPUT SIGNAL

-20

-40

-60

OUTPUT FEEDTHROUGH

-80

-100

2.49956

0.5 1.6 2.7 3.8 4.9 6.0

0.1k

1k

10k

100k

1M

FREQUENCY (kHz)

LOAD (Ω)

-100

0.5 1.6 2.7 3.8 4.9 6.0

FREQUENCY (kHz)

4 _______________________________________________________________________________________

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