CXA3286R 查看數據表（PDF） - Sony Semiconductor

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CXA3286R

8-bit 160MSPS Flash A/D Converter

Sony Semiconductor 

CXA3286R

Pin Description and I/O Pin Equivalent Circuit

Pin

No.

Symbol

I/O

Standard

voltage level

Equivalent circuit

3, 10 AGND

GND

5, 8 AVCC

20, 29 DGND1

32, 41 DGND2

19, 30 DVCC1

31, 42 DVCC2

12 DGND3

1 DVEE3

+5V

(typ.)

GND

+5V

(typ.)

+5V (typ.)

(With a

single

power

supply)

GND

(With dual

power

supply)

GND

(With a

single

power

supply)

–5V (typ.)

(With dual

power

supply)

Description

Analog ground.

Separated from the digital ground.

Analog power supply.

Separated from the digital power

supply.

Digital ground.

Digital power supply.

Digital power supply.

Ground for ECL input.

+5V for PECL and TTL inputs.

Digital power supply.

–5V for ECL input.

Ground for PECL and TTL inputs.

16 SELECT2 I

DVcc1

or

Open

or

DGND1

DVCC1

16

DGND1

r

r

r

Data output switching.

When left open, data are output

from both PA and PB side output

ports.

For DVcc1 level, PA side output port

outputs data and PB side is in the

high impedance state.

For DGND1 Ievel, PB side output

port outputs data and PA side is in

the high impedance state.

17 VOCLP

I

Clamp

voltage

DVCC2 TTL output high level clamping.

The TTL high level voltage is

3k

clamped to the value almost

equivalent to the voltage applied to

17

this pin .

Even if this pin is left open, the TTL

3.5k

high level is clamped to

DGND2 approximately 2.8V.

–5–

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