Rainbow-electronics MAX5177 Manual do Utilizador descarregar pdf (Página 7)

MAX5175/MAX5177

Low-Power, Serial, 12-Bit DACs with

Force/Sense Voltage Output

_______________________________________________________________________________________

OUT

REF

(12.5dB/div)

100k

FFT PLOT

MAX5175 toc10

FREQUENCY (Hz)

REF

= 2.5 V

+ 1.414Vp-p

f = 10kHz

OUT

(100mV/div)

(2V/div)

MAJOR-CARRY TRANSITION

MAX5175-11

V/SCLK

(5V/div)

400ns/div

OUT

(2mV/div)

DIGITAL FEEDTHROUGH

MAX5175-12

AC-COUPLED

-25

-20

-10

-15

-5

0 1000500 1500 2000 2500 3000

REFERENCE INPUT FREQUENCY RESPONSE

MAX5175-13

FREQUENCY (kHz)

GAIN (dB)

REF

= 0.67Vp-p + 1.25V

252

256

254

260

258

266

264

262

268

-50 -10-30 10 30 50 70 90

NO-LOAD SUPPLY CURRENT

vs. TEMPERATURE

MAX5175-16

TEMPERATURE (°C)

NO-LOAD SUPPLY CURRENT (µA)

OUT

(10mV/div)

(1V/div)

50ms/div

START-UP GLITCH

MAX5175-14

AC-COUPLED

230

240

235

250

245

260

255

265

275

270

280

2.5 2.7 2.8 2.92.6 3.0 3.1 3.2 3.43.3 3.5

NO-LOAD SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5175-15

SUPPLY VOLTAGE (V)

NO-LOAD SUPPLY CURRENT (µA)

0.44

0.48

0.46

0.52

0.50

0.58

0.56

0.54

0.60

-50 -10-30 10 30 50 70 90

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

MAX5175-17

TEMPERATURE (°C)

SHUTDOWN SUPPLY CURRENT (µA)

Typical Operating Characteristics (continued)

(MAX5175: V

= +5V, V

REF

= 2.5V; MAX5177: V

= +3V, V

REF

= 1.25V; C

= 100pF, FB = OUT, code = FFF hex, T

= +25°C,

unless otherwise noted.)

MAX5175

MAX5177

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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