Rainbow-electronics MAX1092 Manual de usuario descargar pdf (Pagina 7)

MAX1090/MAX1092

400ksps, +5V, 8-/4-Channel, 10-Bit ADCs

with +2.5V Reference and Parallel Interface

_______________________________________________________________________________________ 7

2.48

2.49

2.51

2.50

2.52

2.53

INTERNAL REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

MAX1090/92 toc10

(V)

REF

(V)

4.50 5.004.75 5.25 5.50

2.48

2.49

2.51

2.50

2.52

2.53

-40 10-15 35 60 85

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1090/92 toc 11

TEMPERATURE (°C)

REF

(V)

1.0

0.5

-0.5

-1.0

4.50 5.004.75 5.25 5.50

OFFSET ERROR

vs. SUPPLY VOLTAGE

MAX1090 TOC12

(V)

OFFSET ERROR (LSB)

1.0

0.5

-0.5

-1.0

-40 10-15 35 60 85

OFFSET ERROR

vs. TEMPERATURE

MAX1090 TOC13

TEMPERATURE (°C)

OFFSET ERROR (LSB)

-0.50

-0.25

0.25

0.50

GAIN ERROR vs. SUPPLY VOLTAGE

MAX1090/92 toc14

(V)

GAIN ERROR (LSB)

4.50 5.004.75 5.25 5.50

0.125

0.250

0.375

0.500

GAIN ERROR vs. TEMPERATURE

MAX1090/92 toc15

TEMPERATURE (°C)

GAIN ERROR (LSB)

-40 35 60-15 10 85

150

100

200

250

LOGIC SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX1090/92 toc16

(V)

LOGIC

(µA)

4.50 5.004.75 5.25 5.50

Typical Operating Characteristics (continued)

= V

LOGIC

= +5V, V

REF

= +2.500V, f

CLK

= 7.6MHz, C

= 20pF, T

= +25°C, unless otherwise noted.)

150

100

200

250

-40 10-15 35 60 85

LOGIC SUPPLY CURRENT

vs. TEMPERATURE

MAX1090/92 toc 17

TEMPERATURE (°C)

LOGIC

(µA)

-140

-120

-100

-80

-60

-40

-20

0 400200 600 800 1000 1200

FFT PLOT

MAX1291/93 toc18

FREQUENCY (kHz)

AMPLITUDE (dB)

= 5V

= 50kHz

SAMPLE

= 400ksps

1 2 3 4 5 6 7 8 9 10 11 12 ... 19 20

MAX1090/MAX1092 1

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Rainbow-electronics MAX1092 Manual de usuario Pagina 7

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