ST7MC2S4-Auto datasheet(339/371 Pages) STMICROELECTRONICS

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Electrical characteristics

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12.12

Motor control characteristics

Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified.

12.12.1

Internal reference voltage

Table 216.

Internal reference voltage

Symbol

Parameter

Conditions

Min

Typ(1)

Max

Unit

VREF

Voltage threshold (VR [2:0] = 000)

VR [2:0] = 000

VDD*0.04

Example: VDD -VSSA = 5V

0.2

Voltage threshold (VR [2:0] = 001)

VR [2:0] = 001

VDD*0.12

Example: VDD -VSSA = 5V

0.6

Voltage threshold (VR [2:0] = 010)

VR [2:0] = 010

VDD*0.2

Example: VDD -VSSA = 5V

1.0

Voltage threshold (VR [2:0] = 011)

VR [2:0] = 011

VDD*0.3

Example: VDD -VSSA = 5V

1.5

Voltage threshold (VR [2:0] = 100)

VR [2:0] = 100

VDD*0.4

Example: VDD -VSSA = 5V

2.0

Voltage threshold (VR [2:0] = 101)

VR [2:0] = 101

VDD*0.5

Example: VDD -VSSA = 5V

2.5

Voltage threshold (VR [2:0] = 110)

VR [2:0] = 110

VDD*0.7

Example: VDD -VSSA = 5V

3.5

∆ V

REF/VREF Tolerance on VREF

2.5

Unless otherwise specified, typical data are based on TA = 25°C and VDD -VSS = 5V. They are given only as design

guidelines and are not tested.

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