1997 Oct 29

10

Philips Semiconductors

Product specification

8-bit high-speed analog-to-digital converter

TDA8714

Table 1

Output coding and input voltage (typical values; referenced to AGND)

Table 2

Mode selection

STEP

O/UF

BINARY OUTPUT BITS

D7

D6

D5

D4

D3

D2

D1

D0

Underflow

<1.585

1

0

0000000

0

1.585

0

0

0000000

1

.

0

0

0000001

.

.

.

.

......

.

.

.

.

.......

254

.

0

11111110

255

3.28

0

1

1111111

Overflow

>3.28

1

1

1111111

CE

D7 to D0

O/UF

1

high impedance

high impedance

0

active; binary

active

Fig.3 Timing diagram.

handbook, full pagewidth

ds

t

sample N + 1

sample N

CLK

MSA670

sample N + 2

50 %

V

l

DATA

D0 to D7

t d

t h

CPH

t

CPL

t

VDDO

0 V

50 %

DATA

N + 1

DATA

N

DATA

N - 1

DATA

N - 2