(China (Mainland))
Product Summary
The PBM3960 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 PBM3960 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 PBM3960, a feature that greatly improves high-speed micro-stepping performance. The PBM3960 is fabricated in a high-speed CMOS process.
Parametrics
PBM3960 absolute maximum ratings: (1)Voltage, Supply, VDD: 6V; Logic inputs, VI: -0.3 to VDD+ 0.3 V; Reference input, VR: -0.3 to VDD+ 0.3 V; (2)Logic inputs Current, II: -0.4 to +0.4 mA; (3)Storage temperature, TS: -55 to +150℃; (4)Operating ambient temperature, T: -20 to +85℃.
Features
PBM3960 features: (1)Analog control voltages from 3 V down to 0.0 V; (2)High-speed microprocessor interface; (3)Automatic fast/slow current decay control; (4)Full-scale error ±1 LSB; (5)Interfaces directly with TTL levels and CMOS devices; (6)Fast conversion speed, 3 μs; (7)Matches PBL 3771.
Diagrams
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PBM3911 |
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PBM3912 |
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PBM3915 |
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PBM3960 |
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PBM3961 |
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