MC33977DWR2 datasheet(6/37 Pages) FREESCALE

Nome de Peças	MC33977DWR2

Descrição Electrónicos	Single Gauge Driver

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Fabricante Electrônico	FREESCALE [Freescale Semiconductor, Inc]

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Analog Integrated Circuit Device Data

6

Freescale Semiconductor

33977

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

POWER OUTPUT (SIN-, SIN+, COS-, COS+) (Continued)

Microstep Full Step Output (Measured from Coil Low Side to Ground)

SIN± (COS±) IOUT = 30 mA

VLS

0.0

0.1

0.3

V

Output Flyback Clamp (11)

VFB

–

VST6 + 0.5 VST6 + 1.0

V

Output Current Limit (Output - VST6)

ILIM

40

100

170

mA

Overtemperature Shutdown (12)

TSD

155

–

180

°C

Overtemperature Hysteresis (12)

THYST

8.0

–

16

°C

CONTROL I/O (SI, SCLK, CS, RST, SO)

Input Logic High Voltage (12)

VIH

2.0

–

V

Input Logic Low Voltage (12)

VIL

–

0.8

V

Input Logic Voltage Hysteresis (12)

VINHYST

–

100

–

mV

Input Logic Pull-Down Current (SI, SCLK)

IDWN

3.0

–

20

µA

Input Logic Pull-Up Current (CS, RST)

IUP

5.0

–

20

µA

SO High State Output Voltage (IOH = 1.0 mA)

VSOH

0.8 VDD

–

V

SO Low State Output Voltage (IOL = 1.6 mA)

VSOL

–

0.2

0.4

V

SO Tri-State Leakage Current (CS = 3.5 V)

ISOLK

-5.0

0.0

5.0

µA

Input Capacitance (13)

CIN

–

4.0

12

pF

SO Tri-State Capacitance (13)

CSO

–

20

pF

ANALOG TO DIGITAL CONVERTER (RTZ ACCUMULATOR COUNT)

ADC Gain (12), (14)

GADC

100

188

270

Counts/V/

ms

Notes

11.

Outputs remain active; however, the reduction in drive voltage may result in a loss of position control.

12.

This parameter is guaranteed by design; however, it is not production tested.

13.

Capacitance not measured. This parameter is guaranteed by design; however, it is not production tested.

14.

Reference RTZ Accumulator (Typical) on page 30

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions 4.75 V

< VDD < 5.25 V, and -40°C < TA< 125°C, unless otherwise noted. Typical

values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

Nº de peça semelhante - MC33977DWR2

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