33912 datasheet(12/47 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33912

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

CURRENT SENSE AMPLIFIER (ISENSEH, ISENSEL)

Gain

CSGS (Current Sense Gain Select) = 0

CSGS (Current Sense Gain Select) = 1

14.5

Differential Input Impedance

CSGS (Current Sense Gain Select) = 0

CSGS (Current Sense Gain Select) = 1

DIFF

2.0

5.0

Ω

Common Mode Input Impedance

CSGS (Current Sense Gain Select) = 0

CSGS (Current Sense Gain Select) = 1

–

300

Ω

ISENSEH, ISENSEL Input Voltage Range

VIN

-0.2

–

3.0

Input Offset Voltage

CSAZ (Current Sense Auto Zero) = 0

CSAZ (Current Sense Auto Zero) = 1

VIN_OFFSET

-15

-2.0

–

2.0

RXD OUTPUT PIN (LIN PHYSICAL LAYER) (RXD)

Low-state Output Voltage

IOUT = 1.5mA

VOL

0.0

–

0.8

High-state Output Voltage

IOUT = -250µA

VOH

VDD -0.8

–

VDD

TXD INPUT PIN (LIN PHYSICAL LAYER) (TXD)

Low-state Input Voltage

VIL

-0.3

–

0.3 x VDD

High-state Input Voltage

VIH

0.7 x VDD

–

VDD +0.3

Pin Pull-up Current, 0V < VIN < 3.5V

IPUIN

µA

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions 5.5V

≤ V

SUP ≤ 18V, -40°C ≤ TA ≤ 125°C for the 33912 and -40°C ≤ TA ≤ 85°C for the

34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal

conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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