AS7000 datasheet(24/92 Pages) AMSCO

Part #	AS7000

Description	The AS7000 device provides a flexible analog front end for light sensing applications

PDF	92 Pages

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Manufacturer	AMSCO [ams AG]

Direct Link	http://www.ams.com

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Page 24

ams Datasheet

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[v1-12] 2018-Feb-26

AS7000 − Detailed Description

AFE_PD_AMPCFG Register (Addr: 0x0c)

The AFE_PD_AMPCFG register is used to configure the

operating mode of the photo-amplifier

Figure 22:

AFE_PD_AMPCFG Register

For registers man_mode and man_sw_itg see AFE_MAN_SEQ_

CFG .

Addr: 0x0c

AFE_PD_AMPCFG

Bit

Bit Name

Default

Access

Description

pd_amp_en

R/W

0…Activates power down mode of photo-amplifier

1…Enables photo-amplifier

13:10

pd_amp_vo

R/W

Opamp offset. Use ams device drivers – these

automatically configure this register.

9:8

pd_

ampcomp

3R/W

Opamp compensation. Use ams device drivers – these

automatically configure this register.

7:5

pd_ampres

0x0

R/W

Feedback resistor

000…No resistor in feedback of amplifier

001…1MΩ

010…2MΩ

011…3MΩ

100…5MΩ

101…7MΩ

110…10MΩ

111…15MΩ

4:0

pd_ampcap

0x0

R/W

Feedback capacitor – automatically set by ams device

drivers for modes using pd_ampres not 000b.

Capacitor = pd_ampcap*0.1pF

AS7000 Datasheet(PDF) 24 Page - ams AG

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