an8470nsa Panasonic Corporation of North America, an8470nsa Datasheet

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an8470nsa

Manufacturer Part Number
an8470nsa
Description
Spindle Motor Driver Ic For Optical Disk
Manufacturer
Panasonic Corporation of North America
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
AN8470NSA
Manufacturer:
PANASONIC/松下
Quantity:
20 000
ICs for Compact Disc/CD-ROM Player
AN8470NSA
Spindle motor driver IC for optical disk
suited for driving a spindle motor of an optical disk
such as CD-ROM, PD, DVD, CD-R, CD-RW, etc.
Low power consumption due to a direct PWM
system
With start and stop pin
Reverse breaking by EC/ECR voltage
With Hall bias pin
Surface-mount small package
High speed CD-ROM drive
PD, DVD, CD-R, CD-RW drives
Overview
Features
Applications
Block Diagram
The AN8470NSA is a high performance IC
H1H
H2H
H3H
ECR
Start
H1L
H2L
H3L
VH
FG
EC
FC
7
24
23
22
21
19
18
17
8
27
26
25
Oscillator
Start/stop
Hall amp.
matrix
Hall
bias
V
T
SSET
Step-up voltage circuit
OSC
Distributor
circuit
FF
SRESET
32
PWMOUT
1
(0.625)
V
PNFOUT
Amp.
Amp.
CL
11.0±0.3
0.65
Seating plane
SSOP032-P-0300
protection
Thermal
0.3
Output
circuit
5
+0.10
–0.05
17
16
32
31
30
10
3
1
2
VM2
A1
A2
A3
RNF2
RNF1
GND
0.2
Unit: mm
(0.5)
+0.10
–0.05
1

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an8470nsa Summary of contents

Page 1

... ICs for Compact Disc/CD-ROM Player AN8470NSA Spindle motor driver IC for optical disk Overview The AN8470NSA is a high performance IC suited for driving a spindle motor of an optical disk such as CD-ROM, PD, DVD, CD-R, CD-RW, etc. Features Low power consumption due to a direct PWM system With start and stop pin ...

Page 2

... AN8470NSA Pin Descriptions Pin No. Symbol Description 1 A2 Drive output 2 2 RNF2 Current det. pin Drive output 1 4 N.C. N.C. 5 N.C. N.C. 6 VM1 Motor supply voltage pin 1 7 Start Start/stop changeover pin 8 VH Hall bias pin 9 V Supply voltage pin DD 10 GND Ground pin ...

Page 3

... 500 500 0. AN8470NSA Unit V Min Typ Max 0 0 2.7 0.7 L 0.7 1.1 1 1.5 4.0 60 0.5 3.9 100 0 100 0 75 150 2 0.36 0.48 0.60 0.25 0.50 0.25 0.50 455 570 ...

Page 4

... AN8470NSA Electrical Characteristics at T Parameter FG FG output high-level FG output low-level In-phase input voltage range FG hysteresis width Step-up circuit Step-up voltage Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Thermal protection ...

Page 5

... ICs for Compact Disc/CD-ROM Player Terminal Equivalent Circuits (continued) Pin No. Symbol GND 11 BC4 12 BC3 13 BC2 14 BC1 15 VPUMP 16 N.C. 17 H3L 18 H3H 19 H2L 20 N.C. Equivalent circuit Supply voltage pin Ground pin N. (typ.) (typ (typ.) (typ.) N.C. AN8470NSA ...

Page 6

... AN8470NSA Terminal Equivalent Circuits (continued) Pin No. Symbol 21 H2H 22 H1L 23 H1H ECR N.C. 29 N.C. 30 RNF1 VM2 6 ICs for Compact Disc/CD-ROM Player Equivalent circuit Refer to pin 19 Refer to pin 17 Refer to pin (typ (typ (typ.) N ...

Page 7

... Phase conditions between Hall input and output current H1 H3 ECR Emit A1 Output current Sink Emit A2 Output current Sink Emit Output current A3 Sink AN8470NSA 200 pF Phase of Hall pin H1H H2H H3H ...

Page 8

... AN8470NSA Application Circuit Example Start Start/stop H1H H1L 22 21 H2H Hall amp. matrix 19 H2L 18 H3H 17 H3L VH 8 Hall bias 27 Spindle speed control signal 26 ECR FC 25 Oscillator 560 pF 8 ICs for Compact Disc/CD-ROM Player 0.1 F 0.1 F 0.1 F Step-up voltage circuit OSC Amp ...

Page 9

Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...

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