Rainbow-electronics MAX1495 Manual de usuario descargar pdf (Pagina 6)

MAX1491/MAX1493/MAX1495

3.5- and 4.5-Digit, Single-Chip

ADCs with LCD Drivers

6 _______________________________________________________________________________________

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1491/3/5 toc07

TEMPERATURE (°C)

REFERENCE VOLTAGE (V)

605040302010

2.046

2.045

2.047

2.049

2.048

2.051

2.050

2.053

2.052

2.054

2.044

070

INTERNAL REFERENCE VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

MAX1491/3/5 toc08

SUPPLY VOLTAGE (V)

REFERENCE VOLTAGE (V)

4.754.253.753.25

2.045

2.046

2.047

2.048

2.049

2.050

2.044

2.75 5.25

SUPPLY CURRENT

vs. TEMPERATURE

MAX1491/3/5 toc09

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

605040302010

100

200

300

400

500

600

700

070

ANALOG SUPPLY

DIGITAL SUPPLY

CHARGE-PUMP OUTPUT VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

MAX1491/3/5 toc10

SUPPLY VOLTAGE (V)

NEG

VOLTAGE (V)

4.754.253.753.25

-2.48

-2.46

-2.44

-2.42

-2.40

-2.50

2.75 5.25

NEG

STARTUP SCOPE SHOT

MAX1491/3/5 toc11

20ms/div

2V/div

1V/div

NEG

= 0.1µF

OFFSET ERROR

vs. COMMON-MODE VOLTAGE

MAX1491/3/5 toc12

COMMON-MODE VOLTAGE (V)

OFFSET ERROR (COUNTS)

1.51.0-1.5 -1.0 -0.5 0 0.5

-0.15

-0.10

-0.05

0.05

0.10

0.15

0.20

-0.20

-2.0 2.0

Typical Operating Characteristics (continued)

(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 11 ... 24 25

Comentarios a estos manuales

Sin comentarios

Rainbow-electronics MAX1495 Manual de usuario Pagina 6

Comentarios a estos manuales

Relacionado con productos y manuales para Sensores Rainbow-electronics MAX1495