Rainbow-electronics MAX1314 Uživatelský manuál stáhnout pdf (Strana 11)

Typical Operating Characteristics (continued)

(AV

= +5V, DV

= +3V, AGND = DGND = 0, V

REF

= V

REFMS

= +2.5V (external reference), C

REF

= C

REFMS

= 0.1µF, C

REF+

REF-

= 0.1µF, C

REF+-to-REF-

= 2.2µF || 0.1µF, C

COM

= 2.2µF || 0.1µF, C

MSV

= 2.2µF || 0.1µF (unipolar devices), MSV = AGND (bipolar

devices), f

CLK

= 16.67MHz 50% duty cycle, INTCLK/EXTCLK = AGND (external clock), f

= 500kHz, A

= -0.4dBFS. T

= +25°C,

unless otherwise noted.) (Figures 3 and 4)

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs

with ±10V, ±5V, and 0 to +5V Analog Input Ranges

______________________________________________________________________________________ 11

DIGITAL SUPPLY CURRENT

vs. DIGITAL SUPPLY VOLTAGE

MAX1304 toc20

(V)

DVDD

(mA)

5.04.54.03.53.0

0.8

1.0

1.2

1.4

1.6

1.8

2.0

0.6

2.5 5.5

= +85°C

= +25°C

= -40°C

LOAD

= 50pF

MAX1304 toc21

(V)

AVDD

(nA)

5.25.15.04.94.8

520

540

560

580

600

620

640

660

680

700

500

4.7 5.3

ANALOG SHUTDOWN CURRENT

vs. ANALOG SUPPLY VOLTAGE

DIGITAL SHUTDOWN CURRENT

vs. DIGITAL SUPPLY VOLTAGE

MAX1304 toc22

(V)

DVDD

(nA)

5.04.54.03.53.0

2.5 5.5

ANALOG SUPPLY CURRENT

vs. NUMBER OF CHANNELS SELECTED

MAX1304 toc23

NUMBER OF CHANNELS SELECTED

AVDD

(mA)

87654321

CHSHDN = 0

ANALOG SUPPLY CURRENT

vs. ANALOG SUPPLY VOLTAGE

MAX1304 toc19

(V)

AVDD

(mA)

5.25.15.04.94.8

4.7 5.3

= +85°C

= +25°C

= -40°C

DIGITAL SUPPLY CURRENT

vs. NUMBER OF CHANNELS SELECTED

MAX1304 toc24

NUMBER OF CHANNELS SELECTED

DVDD

(mA)

87654321

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.9

1.0

0.1

CHSHDN = 0

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 35 36

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