CXA3516 データシートの表示（PDF） - Sony Semiconductor

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CXA3516

3-channel 8-bit 165MSPS A/D Converter Amplifier PLL

Sony Semiconductor 

CXA3516R

Pin

No.

Symbol

I/O

Typical

signal

11 XSENABLE

11

I TTL

Equivalent circuit

DVCCREG

200k

4k

13 3WIRE/I2C

DGNDREG

DVCCREG

100k

100k

13

I—

100k

15µ

15µ

DGNDREG

DVCCREG

Description

Inputs enable signal for 3-wire bus.

High level: Control disabled

Low level: Control enabled

Connect this pin to GND when using

I2C.

Selection of input between I2C bus

and 3-wire bus.

VCC to 2/3VCC

2/3VCC to 1/3VCC

1/3VCC to GND

3-wire bus mode

I2C 3V mode

I2C 5V mode

12 SEROUT

O TTL

12

100k

When using the read mode of 3-wire

bus mode, the register information

written once is output in series order

from the LSB of the setting sub

address data.

7 DGNDREG — GND

8 DVCCREG

— 5V

6

XPOWER

SAVE

I TTL

DGNDREG

DVCCREG

10µ

1k

6

DGNDREG

GND for register.

Power supply for register.

Power save for all functions including

the control register block.

High level: Normal operation

Low level: Power save

– 19 –

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