Rainbow-electronics MAX1116 Manual do Utilizador descarregar pdf (Página 5)

MAX1115/MAX1116

Single-Supply, Low-Power, Serial 8-Bit ADCs

_______________________________________________________________________________________ 5

MAX1115 toc10

-2.0

0.5

-1.0

-0.5

-1.5

1.5

1.0

2.0

-40 603510-15 85

GAIN ERROR

vs. TEMPERATURE

TEMPERATURE (°C)

GAIN ERROR (%FSR)

MAX1116

= +5V

MAX1115

= +3V

-120

-80

-100

-60

-40

-20

20k

10k

30k

40k 50k

FFT PLOT

MAX1115 toc11

ANALOG INPUT FREQUENCY (Hz)

AMPLITUDE (dB)

SAMPLE

= 100kHz

= 25.1kHz

= 0.9xV

REF

p-p

-0.5

-0.1

0.1

-0.2

-0.3

-0.4

0.3

0.2

0.4

0.5

2.5 3.0 4.0 5.04.53.5 5.5

OFFSET ERROR vs.

SUPPLY VOLTAGE

MAX1115 toc12

SUPPLY VOLTAGE (V)

OFFSET ERROR (LSB)

MAX1116

= +3V

MAX1115

= +3V

-0.5

-0.1

0.1

-0.2

-0.3

-0.4

0.3

0.2

0.4

0.5

-40 -15 603510 85

OFFSET ERROR vs.

TEMPERATURE

MAX1115 toc13

TEMPERATURE (°C)

OFFSET ERROR (LSB)

MAX1116

= +3V

MAX1115

= +5V

10.5%

7.0%

3.5%

17.5%

21.0%

14.0%

1.982 2.008 2.0862.0602.034 2.112

MAX1115

REFERENCE VOLTAGE

vs. NUMBER OF PIECES

MAX1115 toc14

REFERENCE VOLTAGE (V)

7.0%

3.5%

14.0%

10.5%

17.5%

3.980 4.020 4.1404.1004.060 4.180

MAX1116

REFERENCE VOLTAGE

vs. NUMBER OF PIECES

MAX1115 toc15

REFERENCE VOLTAGE (V)

21.0%

Typical Operating Characteristics (continued)

= +3V (MAX1115), V

= +5V (MAX1116), f

scu

= 5MHz, f

sample

= 100ksps, C

LOAD

= 100pF, T

= +25°C, unless otherwise

noted.)

1 2 3 4 5 6 7 8 9 10 11 12

MAX1115/MAX1116 1

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