TDA8792 データシートの表示（PDF） - Philips Electronics

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TDA8792

3.3 V, 25 MHz 8-bit analog-to-digital converter (ADC)

Philips Electronics 

Philips Semiconductors

3.3 V, 25 MHz 8-bit

analog-to-digital converter (ADC)

Product specification

TDA8792

Table 1 Output coding and input voltage (typical values; referenced to VSSA)

BINARY OUTPUT BITS

STEP

VI(p-p) (V)

D7

D6

D5

D4

D3

D2

D1

D0

Underflow

<0

0

0

1

.

.

.

.

.

254

.

255

1.5

Overflow

>1.5

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

1

1

1

1

1

1

1

0

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Table 2 Mode selection

OE

D7 TO D0

1

high impedance

0

active; binary

Table 3 Standby selection

STDBY

1

0

D7 TO D0

LOW

active

IDDA + IDDD (typ.)

0.4 mA

15 mA

tCPH

t CPL

CLK

sample N 1

sample N 2

Vl

DATA

D0 to D7

t ds

DATA

N6

DATA

N5

td

sample N 6

1.4 V

th

DATA

N1

DATA

N

VDDO 0.4 V

50%

0.4 V

MLD121

1996 Feb 21

Fig.3 Timing diagram.

9

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