AK7735EQ datasheet(9/142 Pages) AKM

Part #	AK7735EQ

Description	Dual DSP with 4chADC 4chDAC 4chSRC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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9 / 142 page

[AK7735]

016014707-E-00

2016/12

- 9 -

No.

Pin Name

I/O

Function

Supply

Power

23

STO

O

Status Output Pin

This pin outputs “L” during power-down state.

TVDD

RDY

O

RDY Signal Output Pin

SDOUT2

O

Serial Data Output 2 Pin

24

CSN

I

SPI Mode

SPI I/F Chip Select Pin

During power-down state or when SPI I/F is not in use, leave this

pin “H” level.

TVDD

I

2C Mode

I

2C I/F Chip Address Pin

This pin must be pulled up or pulled down.

25

SO

O

Serial Data Output Pin for SPI I/F

This pin outputs “Hi-Z” during power-down state.

This pin must be pulled up or pulled down.

TVDD

SDA

I/O

Serial Data In/Output Pin for I

2C I/F

This

pin outputs “Hi-Z” during power-down state.

26

SCLK

I

Serial Data Clock Input Pin for SPI I/F

TVDD

SCL

I

Serial Data Clock Input Pin for I

2C I/F

27

SI

I

Serial Data Input Pin for SPI I/F

TVDD

I2CFIL

I

2C I/F Mode Select Input Pin

I2CFIL

= “L”: Fast Mode (400kHz)

I2CFIL

= “H”: Fast Mode Plus (1MHz) (should be fixed to TVDD2)

28

PDN

I

Power-down Pin

Use this pin to power down the AK7735.

The

PDN pin should be held “L” when power is supplied.

TVDD

29

AVDRV

O

VREG Output Pin

Connect a 2.2uF(±30%) ceramic capacitor between this pin and

DVSS3. Do not connect this pin to an external circuit.

LVDD

30

DVSS3

-

Digital Ground 3 Pin

0V

-

31

LVDD

-

Digital Core Power Supply Pin

3.0~3.6V (typ.3.3V)

-

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AK7735EQ Datasheet(PDF) 9 Page - Asahi Kasei Microsystems

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