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A8983CJT डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER - Allegro MicroSystems

भाग संख्या A8983CJT
समारोह SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER
मैन्युफैक्चरर्स Allegro MicroSystems 
लोगो Allegro MicroSystems लोगो 
पूर्व दर्शन
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<?=A8983CJT?> डेटा पत्रक पीडीएफ

A8983CJT pdf
8983
SPINDLE & VOICE-COIL
ACTUATION MANAGER/DRIVER
FUNCTIONAL BLOCK DIAGRAM
ENERGY MANAGER
CONTROLLED RETRACT
DC-DC CONVERSION
SLEEP MODES
UV FAULT
+
SPIN
INPUT
gm
+
+
SERVO
INPUT
SERIAL DATA IN
CLOCK
DATA ENABLE
g m SLEW
RATE
CONTROL
BACK-EMF AND
COMMUTATION LOGIC
EXTERNAL
COMMUTATION
TACH
s Patented Lossless Current Sensing Eliminates Need
for External Current-Sense Resistor
s Externally Determined Transconductance, with Hi/Lo
Configuration Switched via Serial Port
s Forward or Reverse Torque Serial Port Bit Allows
Improved Speed Disturbance Performance
s Dynamic Braking with User Delay, Activated by
Undervoltage or Serial Port Command
Energy Manager:
s 3.0 V to 5.5 V Operation
s DC-to-DC Converter Maintains rDS(on) Performance
at Low Supply
s Independent Power-Down (Sleep) Modes for all
Functional Blocks
s Efficient Active Regeneration Supplies Power
During Retract
s Supply Under-Voltage Fault Monitor with
Adjustable Trip Point
Dwg. FP-028-1
s Power-On-Reset Generator for Power Up or
Power Loss with User-Defined Delay
s Chip Powers Up in Sleep Mode for Minimum
Power Dissipation
s External 2 MHz System Clock, or Internal Serial Port
Trimmed 2 MHz Clock
s System Diagnostics
s Uncommitted Op-amp
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1995, Allegro MicroSystems, Inc.

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
A8983CJTSPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVERAllegro MicroSystems
Allegro MicroSystems


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