Datasheet > AK8451

AK8451

更新时间： 2022-06-03 03:10:23

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
42页	705K
描述
1 channel-input 16 bit 6MSPS ADC

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数据手册

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AK8451 数据手册

ASAHI KASEI

[AK8451]

Pin Functions

No.

Name

IREF

VREFO

Description

LED current setting external resister pin

Reference voltage output :1.1V

External capacitor : 0.33μＦ

Sensor Signal input

Sensor Reference Level input at DC Direct Coupled mode

Clamp Level output at CDS mode (external Cap.: 0.1μF)

Unused(note 1)

Hi-Z

CISIN0

VCLP

(note 2)

AVSS

AVDD

LED_R

PWR

Analog ground

Analog power supply

LED output pin R

Hi-Z

LVDD

LVSS

PWR

LED power supply

LED ground

LED output pin G

LED output pin B

LED control input R

LED control input G

LED control input B

LED_G

LED_B

LEDR_EN

LEDG_EN

LEDB_EN

D0/SDCLK

Hi-Z

(note 3) SDENB=High ; A/D Data output : Lower Bit (D0)

SDENB=Low ; Serial Interface Clock input

(note 3) SDENB=High ; A/D Data output : Lower Bit (D1)

SDENB=Low ; Serial Interface Data input

D1/SDATA

DRVSS

DRVDD

PWR

A/D Output buffer ground

A/D Output buffer power supply

A/D Data output : D2 Bit

H or L

(note4)

H or L

(note4)

A/D Data output : Upper Bit (D3)

SDENB

MCLK

TSMP

RESETB

VCOM

VRN

Serial Interface Enable

Main Clock

Sampling Timing

Reset pin : Active Low, on chip pull-up resister : 100kΩ (typ.)

Internal Reference Voltage : external capacitor 0.1μF

ADC Negative Reference Voltage : external capacitor 0.1μF

Hi-Z

(note 5)

VRP

ADC Positive Reference Voltage : external capacitor 0.1μF

(note 5)

I: input , O: output , PWR: power/ground pin

(note 1)Please connect it with analog ground on the board.

(note 2)It will be input on DC mode, be Hi-Z on CCD mode.

(note 3)Please be input state.

(note 4)It will be H or L since PD mode.

(note 5)It is connect with AVSS via internal resistance.

MS0937-E-01

2011/04

1 2 345 6 7...42

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