10

Digital Output

The following table shows the correlation between the analog input voltage and the digital output code (TESTMODE = 1, LINV,

MINV = 0).

The following table shows the output state for the combination of TESTMODE, LINV, and MlNV states.

TABLE 1.

INPUT SIGNAL

VOLTAGE

STEP

DIGITAL OUTPUT CODE

MSB

LSB

VRT

1023

1 1 1 1 1 1 1 1 1 1

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

•

512

1 0 0 0 0 0 0 0 0 0

511

0 1 1 1 1 1 1 11 1

•

•

•

•

•

•

•

•

VRB

0

0 0 0 0 0 0 0 0 0 0

TABLE 2.

TEST

MODE

LlNV

MlNV

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

1

0

0

PPPPPPPPPP

1

1

0

NNNNNNNNN

P

1

0

1

PPPPPPPPP

N

1

1

1

NNNNNNNNNN

0001010101010

0100101010100

0011010101011

0110101010101

NOTE: P: Forward-phase output; N: Inverted output.

HI3300