Rainbow-electronics MAX1401 Manual de usuario descargar pdf (Pagina 10)

MAX1401

+3V, 18-Bit, Low-Power, Multichannel,

Oversampling (Sigma-Delta) ADC

10 ______________________________________________________________________________________

Typical Operating Characteristics (continued)

(V+ = +3V, V

= +3V, V

REFIN+

= +1.25V, REFIN- = AGND, f

CLKIN

= 2.4576MHz, T

= +25°C, unless otherwise noted.)

100

250

200

150

400

350

300

450

-50 0-25 25 50 75 100

SUPPLY CURRENT vs. TEMPERATURE

(240sps OUTPUT DATA RATE UNBUFFERED)

MAX1401-09

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

= +3.6V

(NOTE 30)

200

100

400

300

600

500

-50 0 25-25 50 75 100

SUPPLY CURRENT vs. TEMPERATURE

(480sps OUTPUT DATA RATE UNBUFFERED)

MAX1401-10

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

= +3.6V

(NOTE 30)

2000

1000

4000

3000

5000

-50 0 25-25 50 75 100

V+ SUPPLY CURRENT vs. TEMPERATURE

(240sps OUTPUT DATA RATE)

MAX1401-11

TEMPERATURE (°C)

V+ SUPPLY CURRENT (µA)

BUFFERED

UNBUFFERED

2000

1000

4000

3000

5000

-50 0 25-25 50 75 100

V+ SUPPLY CURRENT vs. TEMPERATURE

(480sps OUTPUT DATA RATE)

MAX1401-12

TEMPERATURE (°C)

V+ SUPPLY CURRENT (µA)

BUFFERED

UNBUFFERED

Note 30: Minimize capacitive loading at CLKOUT for lowest V

supply current.

Typical Operating Characteristics

show V

current with CLKOUT loaded by 120pF.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 35 36

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Rainbow-electronics MAX1401 Manual de usuario Pagina 10

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