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PBM3960

Ericsson
Part Number PBM3960
Manufacturer Ericsson
Description Microstepping Controller/Dual Digital-to-Analog Converter
Published Mar 22, 2005
Detailed Description February 1999 PBM 3960/1 Microstepping Controller/ Dual Digital-to-Analog Converter Description PBM 3960/1 is a dual 7-...
Datasheet PDF File PBM3960 PDF File

PBM3960
PBM3960

Overview
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.
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 C...


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