33910 datasheet(11/44 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33910

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

WINDOW WATCHDOG CONFIGURATION PIN (WDCONF)

External Resistor Range

REXT

–

200

Ω

Watchdog Period Accuracy with External Resistor (Excluding Resistor

Accuracy)(35)

WDACC

-15

–

ANALOG MULTIPLEXER

Internal Chip Temperature Sense Gain

STTOV

–

10.5

–

mV/K

VSENSE Input Divider Ratio (RATIOVSENSE = VVSENSE / VADOUT0)

5.5V < VSUP < 27V

RATIOVSENSE

5.0

5.25

5.5

VSENSE Output Related Offset

-40°C < TA < -20°C

OFFSETVSENS

-30

-45

–

ANALOG OUTPUT (ADOUT0)

Maximum Output Voltage

-5mA < IO < 5mA

VOUT_MAX

VDD - 0.35

–

VDD

Minimum Output Voltage

-5mA < IO < 5mA

VOUT_MIN

0.0

–

0.35

RXD OUTPUT PIN (LIN PHYSICAL LAYER) (RXD)

Low-state Output Voltage

IOUT = 1.5 mA

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 nVDD

High-state Input Voltage

VIH

0.7 x VDD

–

VDD + 0.3

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

IPUIN

µA

Notes

35.

Watchdog timing period calculation formula: tPWD [ms] = 0.466 * (REXT - 20) + 10 (REXT in kΩ)

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions 5.5V

≤ V

SUP ≤ 18V, -40°C ≤ TA ≤ 125°C for the 33910 and -40°C ≤ TA ≤ 85°C for the

34910, 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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