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PBM3960-1 - Microstepping Controller/Dual Digital-to-Analog Converter

General Description

PBM 3960/1 is a dual 7-bit+sign, Digital-to-Analog Converter (DAC) especially developed to be used together with the PBL 3771/1, Precision Stepper Motor driver in micro-stepping applications.

Key Features

  • Analog control voltages from 3 V down to 0.0 V.
  • High-speed microprocessor interface.
  • Automatic fast/slow current decay control.
  • Full-scale error ±1 LSB.
  • Interfaces directly with TTL levels and CMOS devices.
  • Fast conversion speed, 3 µs.
  • Matches PBL 3771. WR C DA- Data 1 D E1 CS C D R Level 2 R Level 1 Digit Comp E1 C E D R CD 1 DA 1 E E2 A0 E3 C D A1 E4 D7 - D0 C D R R DA- Data 2 D/A E D/A Digit Comp E4 C D R DA E.

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Datasheet Details

Part number PBM3960-1
Manufacturer Ericsson
File Size 111.19 KB
Description Microstepping Controller/Dual Digital-to-Analog Converter
Datasheet download datasheet PBM3960-1 Datasheet

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PBM3960 Microstepping Controller/Dual Digital-to-Analog Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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February 1999 PBM 3960/1 Microstepping Controller/ Dual Digital-to-Analog Converter Description PBM 3960/1 is a dual 7-bit+sign, Digital-to-Analog Converter (DAC) especially developed to be used together with the PBL 3771/1, Precision Stepper Motor driver in micro-stepping applications. The circuit has a set of input registers connected to an 8-bit data port for easy interfacing directly to a microprocessor. Two registers are used to store the data for each seven-bit DAC, the eighth bit being a sign bit (sign/ magnitude coding). A second set of registers are used for automatic fast/slow current decay control in conjunction with the PBL 3771/1, a feature that greatly improves high-speed micro-stepping performance. The PBM 3960/1 is fabricated in a highspeed CMOS process.