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A8980CJT डेटा पत्रक PDF( Datasheet डाउनलोड )


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

भाग संख्या A8980CJT
समारोह SUPERSERVO SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVER
मैन्युफैक्चरर्स Allegro MicroSystems 
लोगो Allegro MicroSystems लोगो 
पूर्व दर्शन
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<?=A8980CJT?> डेटा पत्रक पीडीएफ

A8980CJT pdf
8980
SUPERSERVO
SPINDLE & VOICE-COIL
ACTUATION MANAGER/DRIVER
FUNCTIONAL BLOCK DIAGRAM
Rgm
R gm
ENERGY MANAGER
CONTROLLED RETRACT
DC-DC CONVERSION
SLEEP MODES
UV FAULT
THERMAL SHUTDOWN
OVER-VELOCITY FAULT
gm
SERVO CONTROL
NOTCH
FREQUENCY,
DEPTH, &
DAMPING
TUNABLE
LOW-PASS
FILTER
12-BIT
SERVO-
DEMAND
DAC
8-BIT
gm
SLEW
SPIN-DEMAND
DAC
RATE
CONTROL
IN / OUT MUX
CONFIGURATION
CONTROL
BACK-EMF AND
COMMUTATION LOGIC
POWER-ON
RESET (TO µC)
V REF
2 V REF
UV TRIP ADJUST
SERIAL DATA IN
CLOCK
DATA ENABLE
2 MHz CLOCK
RETRACT
ANALOG MUX 1
ANALOG MUX 2
DIGITAL MUX OUT
EXTERNAL
COMMUTATION
TACH
Dwg. FP-028B
Spindle Motor Controller/Driver:
s Low rDS(on) MOS Outputs
s Back-EMF Circuitry Eliminates Hall-Effect Sensors
s Programmable Slew Rate Eliminates Snubbers
s Lossless Current Sensing
s Improved Speed Disturbance Performance
s Dynamic Braking with Delay
s Active Braking
Servo Compensator/Notch:
s Over-Velocity Fault Circuitry
s 12-Bit Servo-Demand DAC
s Programmable Complex Pole Low-pass-Filter
s Programmable Notch Frequency, Depth, and Damping
Energy Manager:
s 3.0 V to 5.5 V Operation
s Independent Power-Down (Sleep) Modes for all
Functional Blocks
s Efficient Synchronous Rectification Supplies Power
During Blackout
s Thermal Fault Shutdown Circuitry
s Trimmed Bandgap Voltage Reference
s Smart DAC Reference Generator
s Programmable Voltage Reference for Relative Ground
s Over-Velocity Fault Circuitry
s Supply Under-Voltage Monitor with Adjustable
Trip Point
s System Diagnostics Data Out
s Power-On Reset Generator
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1992, 1994, Allegro MicroSystems, Inc.

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
A8980CJTSUPERSERVO SPINDLE & VOICE-COIL ACTUATION MANAGER/DRIVERAllegro MicroSystems
Allegro MicroSystems


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