Rainbow-electronics MAX12553 Manual do Utilizador descarregar pdf (Página 19)

MAX12553

14-Bit, 65Msps, 3.3V ADC

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GRAY CODE

OUTPUT CODE

(G/T = 1)

TWO’S-COMPLEMENT

OUTPUT CODE

(G/T = 0)

BINARY

D13 ➝ D0

DOR

HEXADECIMAL

EQUIVALENT

D13 ➝ D0

DECIMAL

EQUIVALENT

D13 ➝ D0

(CODE

)

BINARY

D13 ➝ D0

DOR

HEXADECIMAL

EQUIVALENT

D13➝ D0

DECIMAL

EQUIVALENT

D13 ➝ D0

(CODE

)

INP

- V

INN

REFP

= 2.418V

REFN

= 0.882V

10 0000 0000 0000 1 0x2000 +16383 01 1111 1111 1111 1 0x1FFF +8191

>+1.023875V

(DATA OUT OF

RANGE)

10 0000 0000 0000 0 0x2000 +16383 01 1111 1111 1111 0 0x1FFF +8191 +1.023875V

10 0000 0000 0001 0 0x2001 +16382 01 1111 1111 1110 0 0x1FFE +8190 +1.023750V

11 0000 0000 0011 0 0x3003 +8194 00 0000 0000 0010 0 0x0002 +2 +0.000250V

11 0000 0000 0001 0 0x3001 +8193 00 0000 0000 0001 0 0x0001 +1 +0.000125V

11 0000 0000 0000 0 0x3000 +8192 00 0000 0000 0000 0 0x0000 0 +0.000000V

01 0000 0000 0000 0 0x1000 +8191 11 1111 1111 1111 0 0x3FFF -1 -0.000125V

01 0000 0000 0001 0 0x1001 +8190 11 1111 1111 1110 0 0x3FFE -2 -0.000250V

00 0000 0000 0001 0 0x0001 +1 10 0000 0000 0001 0 0x2001 -8191 -1.023875V

00 0000 0000 0000 0 0x0000 0 10 0000 0000 0000 0 0x2000 -8192 -1.024000V

00 0000 0000 0000 1 0x0000 0 10 0000 0000 0000 1 0x2000 -8192

<-1.024000V

(DATA OUT OF

RANGE)

()

Table 2. Output Codes vs. Input Voltage

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 27 28

MAX12553 1
14-Bit, 65Msps, 3.3V ADC 1

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