L9374LF datasheet(19/80 Pages) STMICROELECTRONICS

номер детали	L9374LF

подробное описание детали	Four channel valve driver

PDF	80 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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19 / 80 page

DocID025414 Rev 1

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L9374LF

Electrical specifications

Table 19. SVDT test timing

Refer to Section 4.8.13: Silent valve driver test (SVDT).

3.3.12

VD measurement

(refer to Section 4.5.2 VD for details)

VD-Integration time increases linearly with VD.

Table 21. VD measurement bit values

3.3.13

Rs measurement

(refer to Section 4.5.2 : RS for details)

Table 23. Rs SPI bit values

Note:

RS-measurement time increases linearly with RS.

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

Minimum passing test time

SVDT Enabled

I_Qx < IUC

100

110

μs

Maximum failing test time

SVDT Enabled

I_Qx < IUC

450

500

550

μs

Table 20. VD measurement electrical characteristics

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

VDtol

VD measurement

accuracy

VD = 10 V

Vres

Voltage resolution

0.1

tint

Integration Time

VD = 13.5 V

0.71

SPI - bit

VD-value

16 V

8 V

4 V

2 V

1 V

1/2 V

1/4 V

1/8 V

1/16 V

Table 22. RS measurement electrical characteristics

Symbol

Parameter

Condition

Min.

Typ.

Max.

Unit

RS_M_ACC

RS-measurement

accuracy

RS_M_RES

RS-measurement

resolution

8.6

mΩ

SPI - Bit

RS-value

4 Ω

2 Ω

1 Ω

1/2 Ω

1/4 Ω

1/8 Ω

1/16 Ω

1/32 Ω

1/64 Ω

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