AS6221T datasheet(4/36 Pages) OSRAM

No. de pieza	AS6221T

Descripción Electrónicos	Digital temperature sensor

PDF	36 Pages

Scroll/Zoom	100%

Fabricante Electrónico	OSRAM [OSRAM GmbH]

Página de inicio	http://www.osram.com

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4 / 36 page

AS6221T

General description

Datasheet

• PUBLIC • Document Feedback

DS001032

• v3-00 • 2023-Oct-13

4 / 36

1.2

Applications

•

Fitness/health wristbands

•

Personal computers

•

Wearables

•

HVAC

•

Replacement of PTCs

•

Electronic equipment

– Tablets

– Convertibles

– Laptop

1.3

Block diagram

The functional blocks of this device are shown below:

Figure 1: Functional blocks of AS6221T

In Figure 1, the functional blocks are depicted. The sensing element for sensing the

temperature is a Si bipolar transistor. The analog signal of the sensing element is converted

into a digital signal by the A/D converter and the signal is further processed by a digital signal

processor and written into the registers. The registers can be accessed via the serial bus

interface (I²C bus).

Temperature

Sensor Analog

Frontend

A/D Converter

Digital Signal

Processing

Registers

Oscillator

Control Logic

I²C Interface

AS6221T

VDD

VSS

ADD0

ADD1/Alert

SCL

SDA

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