Rainbow-electronics MAX1495 Manual de usuario descargar pdf (Pagina 5)

MAX1491/MAX1493/MAX1495

3.5- and 4.5-Digit, Single-Chip

ADCs with LCD Drivers

_______________________________________________________________________________________ 5

MAX1493/MAX1495 (±200mV INPUT RANGE)

INL vs. DISPLAY COUNT

MAX1491/3/5 toc01

DISPLAY COUNT

INL (COUNTS)

10,0000-10,000

-0.5

0.5

1.0

-1.0

-20,000 20,000

MAX1493/MAX1495 (±2V INPUT RANGE)

INL vs. DISPLAY COUNT

MAX1491/3/5 toc02

DISPLAY COUNT

INL (COUNTS)

10,0000-10,000

-0.5

0.5

1.0

-1.0

-20,000 20,000

NOISE DISTRIBUTION

MAX1491/3/5 toc03

NOISE (COUNTS)

PERCENTAGE OF UNITS (%)

0.80.70.60.50.40.30.20.10-0.1

-0.2

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX1491/3/5 toc04

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (µA)

4.754.253.753.25

100

200

300

400

500

600

700

2.75 5.25

ANALOG SUPPLY

DIGITAL SUPPLY

MAX1493/MAX1495

GAIN ERROR vs. SUPPLY VOLTAGE

MAX1491/3/5 toc05

SUPPLY VOLTAGE (V)

GAIN ERROR (% FULL SCALE)

4.754.253.25 3.75

-0.08

-0.04

-0.06

-0.02

0.02

0.04

0.06

0.08

-0.10

2.75 5.25

MAX1493/MAX1495

GAIN ERROR vs. TEMPERATURE

MAX1491/3/5 toc06

TEMPERATURE (°C)

GAIN ERROR (% FULL SCALE)

605030 402010

-0.09

-0.08

-0.07

-0.06

-0.05

-0.04

-0.03

-0.02

-0.01

-0.10

070

Typical Operating Characteristics

(AV

= DV

= 5V, GND = 0, REF+ = 2.048V, REF- = GND, RANGE = DV

, T

= +25°C.)

1 2 3 4 5 6 7 8 9 10 ... 24 25

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Rainbow-electronics MAX1495 Manual de usuario Pagina 5

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