CXA3286 Ver la hoja de datos (PDF) - Sony Semiconductor

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componentes Descripción

Fabricante

CXA3286

8-bit 160MSPS Flash A/D Converter

Sony Semiconductor 

CXA3286R

Pin

No.

Symbol

I/O

Standard

voltage level

11 VRT

I

4.0V

(typ.)

9 VRM3

7 VRM2

4 VRM1

2 VRB

VRB +

3 (VRT – VRB)

4

VRB +

2

4

(VRT – VRB)

VRB +

1

4

(VRT – VRB)

I

2.0V

(typ.)

Equivalent circuit

r1

11

r/2

r

Comparator 1

r

Comparator 63

9

r

Comparator 64

Comparator 127

7

r

Comparator 128

Comparator 191

4

r

Comparator 192

r

Comparator 255

r/2

2

r2

Description

Top reference voltage.

By-pass to AGND with a 1µF tantal

capacitor and a 0.1µF chip capacitor.

Reference voltage mid point.

By-pass to AGND with a 0.1µF chip

capacitor.

Reference voltage mid point.

By-pass to AGND with a 0.1µF chip

capacitor.

Reference voltage mid point.

By-pass to AGND with a 0.1µF chip

capacitor.

Bottom reference voltage.

By-pass to AGND with a 1µF tantal

capacitor and a 0.1µF chip capacitor.

AVCC

Comparator

AVCC

6 VIN

VRT

I

to

VRB

6

Analog input.

Vref

21 PAD0

to to

28 PAD7

33 PBD0

to to

40 PBD7

DVEE3

AGND

O

DVCC1

O

TTL

43 CLKOUT O

DGND1

Port A side data output.

TTL output; the high level is

clamped to approximately 2.8V.

DVCC2

21 to 28

33 to 40

43

DGND2

DVEE3

Port B side data output.

TTL output; the high level is

clamped to approximately 2.8V.

Clock output.

(See Table 2. Operation Mode

Table.)

TTL output; the high level is

clamped to approximately 2.8V.

–7–

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