CXA3276Q 查看數據表（PDF） - Sony Semiconductor

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CXA3276Q

8-bit 160MSPS Flash A/D Converter

Sony Semiconductor 

CXA3276Q

Pin

No.

Symbol

I/O

Standard

voltage level

15 CLK/T

I

Equivalent circuit

46 RESETN/T I

TTL

DVCC1

44 INV

I

45 SELECT

TTL

Vcc

or

GND

15 46

or

44 , 45

DGND1

DVEE3

Description

Clock input.

Reset signal input.

When left open, this pin goes to high

level. When set to low level, the

built-in CLK frequency divider circuit

can be reset.

Data output polarity inversion input.

When left open, this input goes to

high level.

1.5V

(See Table 1. I/O Correspondence

Table.)

Data output mode selection.

(See Table 2. Operation Mode

Table.)

11 VRT

9 VRM3

7 VRM2

4 VRM1

2 VRB

I

4.0V

(typ.)

VRB +

3 (VRT – VRB)

4

VRB +

2

4

(VRT –

VRB)

VRB +

1

4

(VRT

–

VRB)

I

2.0V

(typ.)

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

2

r2

r

Comparator 255

r/2

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

DVEE3

AGND

–6–

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