33970 datasheet(35/36 Pages) FREESCALE

Part #	33970

Description	Dual Gauge Driver Integrated Circuit with Improved Damping Algorithms

PDF	36 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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35 / 36 page

Analog Integrated Circuit Device Data

Freescale Semiconductor

33970

REVISION HISTORY

REVISION

DATE

DESCRIPTION OF CHANGES

2.0

8/2006

• Implemented Revision History page

• Converted to Freescale format

• Corrected Symbol notation for Microstep Output (Measured Across Coil Outputs)

SIN0,1, ± (COS0,1, ±) (refer to Table 1) and Output Flyback Clamp (10)

• Added maximum pointer calculation on page 16

• Corrected detect threshold upper range from 4081 to 1009

• Changed internal clock variation from 35% to 70%

• Changed EMF to flux on page 28

• Added MCZ33970EG/R2 to the Ordering Information block

3.0

1/2007

• Revised Internal Block Diagram to enhance readability

• Added parameter Peak Package Reflow Temperature During Reflow (4), (5) on page 4

and notes (4) and (5)

• Added ADC Gain (10), (13) to Static Elecrtrical Characteristics table.

• Made wording additions to Address 101—Gauge Return to Zero Configuration Register

on page 17 and RC12:RC11 = M on page 18

• Added RTZ Accumulator (Typical) on page 21 and accompanying text

33970 Datasheet(PDF) 35 Page - Freescale Semiconductor, Inc