Rainbow-electronics MAX5172 Manual do Utilizador descarregar pdf (Página 6)

MAX5170/MAX5172

Low-Power, Serial, 14-Bit DACs

with Voltage Output

6 _______________________________________________________________________________________

Typical Operating Characteristics

(MAX5170: V

= +5V, V

REF

= 2.5V; MAX5172: V

= +3V, V

REF

= 1.25V; C

= 100pF, OS = AGND, code = 3FFF hex, T

= +25°C,

unless otherwise noted.)

230

260

250

240

270

280

290

300

310

320

330

4.4 4.84.6 5.0 5.2 5.4 5.6

NO-LOAD SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5170/72 toc01

SUPPLY VOLTAGE (V)

NO-LOAD SUPPLY CURRENT (µA)

268

270

272

274

276

278

280

282

284

286

288

290

-50 -30 -10 10 30 50 70 90

NO-LOAD SUPPLY CURRENT

vs. TEMPERATURE

MAX5170/72 toc02

TEMPERATURE (°C)

NO-LOAD SU0PPLY CURRENT (µA)

0.8

0.9

1.2

1.1

1.3

1.4

-50 10 30-30 -10 50 70 90

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

MAX5170/72 toc03

TEMPERATURE (°C)

SHUTDOWN CURRENT (µA)

4.0960

4.0962

4.0966

4.0964

4,0968

4.0970

-50 -10-30 10 30 50 70 90

OUTPUT VOLTAGE vs. TEMPERATURE

MAX5170/72 toc04

TEMPERATURE (°C)

OUTPUT VOLTAGE (V)

OUT

1V/div

5V/div

4.096V

10mV

DYNAMIC RESPONSE

MAX5170/72 toc07

2µs/div

4.5

10 1k 10k100 100k

OUTPUT VOLTAGE vs. LOAD RESISTANCE

0.5

MAX5170/72 TOC05

(Ω)

OUTPUT VOLTAGE (V)

1.0

1.5

2.0

2.5

3.0

3.5

4.0

OUT

1v/div

5v/div

4.096V

10mV

DYNAMIC RESPONSE

MAX5170/72 toc06

2µs/div

10k 100k

-84

-83

-82

-81

-79

-80

-78

-77

-76

-75

10 100 1k

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. FREQUENCY

MAX5170/72 toc08

FREQUENCY (Hz)

THD + NOISE (dB)

OUT

REF

12.5dB/div

10k

REFERENCE FEEDTHROUGH

MAX5170/72 toc9

FREQUENCY (Hz)

REF

= 1.8V

+ 3.6Vp-p at f = 1kHz

MAX5170

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

MAX5170/MAX5172 1

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