AIS1200PS datasheet(6/21 Pages) STMICROELECTRONICS

Part #	AIS1200PS

Description	MEMS acceleration sensor: single-axis with PSI5 point-to-point interface

PDF	21 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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6 / 21 page

Block diagram and pin description

AIS1200PS

6/21

DocID024648 Rev 4

Table 2. Pin description

Pin#

Name

Function

1 - LV(1)

1. LV (low voltage) pin: 4.5 V max absolute rating.

VREG

Voltage regulator output. A ceramic capacitor of 1.0

F ± 40%

must be connected to this pin, which should not be used to power

up other devices.

2 - LV

CLK

SPI interface - connect to GND.

3 - LV

SDI

SPI interface - connect to GND.

4 - LV

SDO

SPI interface - driven to “0” by the device.

5 - LV

Data Ready - driven to “0” by the device.

6 - LV

SPI chip select, connect to GND.

7 - LV

AT1

Analog port 1 - driven to “0” by the device.

8 - LV

AT2

Analog port 2 - driven to “0” by the device.

9 - LV

Connect to GND.

10 - LV

AT3

Analog port 3 - driven to “0” by the device.

11 - LV

AT4

Analog port 4 - driven to “0” by the device.

12 - LV

Reserved

Leave unconnected.

13 - LV

Reserved

Connect to GND.

14 - HV(2)

2. HV (high voltage) pin: 20 V max absolute rating.

RTN

Bus low side.

15 - HV

BUSIN

Bus high side.

16 - HV

HCAP

An autarky ceramic capacitor of 0.047

F ± 50% must be

connected to this pin.

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