AS6221T datasheet(33/37 Pages) AMSCO

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AS6221T

Application Information

Datasheet

• PUBLIC

DS001032

• v1-00 • 2022-Apr-08

│ 33

7.1

External Components

Figure 37:

Schematic with External Components

Figure 38:

Values for External Components

Parameter

Min

Typ

Unit

Decoupling capacitor

Pull-up resistors

In Figure 37 and Figure 38 the schematics and the recommended values for external components are

shown.

The decoupling capacitor for the supply should have a value of at least 10 nF.

In order to use the alert functionality, the ALERT/ADD1 pin must be connected via a pull up resistor to

VDD.

For the serial interface, pull up resistors to VDD are mandatory.

The pull up resistors on the serial interface and the interrupt depend on the bus capacitance and on

the clock speed.

VDD

10nF

VDD

Address Select 0

Slave

Pull-up resistors

RPU

SDA

ADD0

VDD

SCL

VSS

ADD1/

ALERT

Address Select 1

SCL

SDA

Alert

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