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PDF KA3012D Data sheet ( Hoja de datos )
| Número de pieza | KA3012D | |
| Descripción | 4-Channel Motor Driver | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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KA3012D
4-Channel Motor Driver
www.fairchildsemi.com
Features
• BTL (H-Bridge type linear) 4channel motor driver
• Wide dynamic range:
- SVCC=12V, PVCC1=5V, RL=8Ω → VOM=4.2V
- SVCC=12V, PVCC2=12V, RL=24Ω → VOM=10.4V
• Built in level-shift circuit
• Built in OP-amp for digital input
• Built in thermal shutdown (TSD) circuit
• Three independent sources
• Low crossover distortion
• Built-in reverse rotation prevented
• Built-in short breaker
Description
The KA3012D is a monolithic IC, and suitable for 4-CH
motor driver which drives sled motor, loading motor, focus
& tracking actuator of CD-media system and built in OP-
amp which can receive digital signal from servo of CD-
media system.
28-SSOPH-375
Typical Applications
• Compact disk ROM (CD-ROM)
• Compact disk RW (CD-RW)
• Digital video disk ROM (DVD-ROM)
• Digital video disk RAM (DVD-RAM)
• Digital video disk player (DVDP)
• Other compact disk media
Ordering Information
Device
Package Operating Temp.
KA3012D-02 28-SSOPH-375 -35 °C ~ 85 °C
KA3012D-02TF 28-SSOPH-375 -35 °C ~ 85 °C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.1
February. 2000.
1 page  
KA3012D
Equivalent Circuits
Op-amp input
Op-amp output
AMP-I (+)
5, 10, 20, 23
Pin
AMP-I (−)
4, 11, 19, 24
Pin
Drive output
80Ω
AMP-O
80Ω 3, 12, 17, 25 Pin
Bias
10kΩ
10kΩ
1kΩ
CH-O
(2, 13, 17, 26 Pin)
CH-O
(1, 14, 16, 27 Pin)
Mute
Mute
(9 Pin)
50k
50k
Bias
(6 Pin)
200Ω
5
5 Page 
KA3012D
Test Circuits
RL4
V
10µF
PVCC1
SW4
28 27 26 25 24 23 22
10µF
PVCC2
RL3 RL3’
V
SW3
21 20 19 18 17 16 15
KA3012D
12 34567
8 9 10 11 12 13 14
SW1
V
RL1
Bias
2.5V
A
SVCC
12V
10µF
VMUTE
SW2
RL2 RL2’
V
OPIN (+)
OPIN (−)
SW5
13
2
V 1MΩ
VIN1
VIN2
V
VIN3
10µF
VIN5
SW6
1
32
VIN4
V
1MΩ
OPOUT
1.2kΩ
V
VCC
1 SW7
2
3
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet KA3012D.PDF ] | |
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