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PDF KA3031 Data sheet ( Hoja de datos )
| Número de pieza | KA3031 | |
| Descripción | 6-Channel Motor Drive IC | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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KA3031
6-Channel Motor Drive IC
www.fairchildsemi.com
Features
• 4-CH balanced transformerless (BTL) driver
• 2-CH (forward-reverse) control DC motor driver
• Operating supply voltage (4.5V ~ 16V)
• Built-in thermal shut down circuit (TSD)
• Built-in under voltage lockout circuit (UVLO)
• Built-in over voltage protection circuit (OVP)
• Built-in mute circuit (CH1, CH2, CH3 and CH4)
• Built-in normal op-amp
• Built-in 5V regulator with reset
Description
The KA3031 is a monolithic integrated circuit suitable for a
6-ch motor driver which drives the tracking actuator, focus
actuator, sled motor, tray motor, change motor and spindle
motor of the CDP/CAR-CD systems.
48-QFPH-1414
Typical Applications
• Compact disk player (CDP) with tray and changer
• Compact disk player (VCD) with tray and changer
• Automotive compact disk player (CDP) with tray and
changer
• Mixing with compact disk player (CDP) and mini disk
player (MD) with tray and changer
• Other compact disk media
Ordering Information
Device
Package
KA3031 48-QFPH-1414
Operating Temp.
−35°C ~ +85°C
©2000 Fairchild Semiconductor International
1
Rev. 1.0.1
February. 2000.
1 page  
Internal Block Diagram
KA3031
IN1.2 1
OUT1 2
IN2.1 3
IN2.2 4
OUT2 5
IN3.1 6
IN3.2 7
OUT3 8
IN4.1 9
IN4.2 10
OUT4 11
CTL1 12
IN1.1 REG50 REG050 REF SVCC RES50
48 47 46 45 44 43
OPIN(+) OPIN(−) OPOUT PVCC2 DO1.1 DO1.2
42 41 40 39 38 37
−
SW +
36 DO2.1
2.5V
+−
ALL MUTE
T.S.D
O.V.P
35 DO2.2
−
+
−
+
−
+−
+
−
+
2P
2P
−
+
+
−
+
2P
−+
−
−+
2P
−
+
+
−
+
2P
−+
−
−+
2P
−
+
+
−
+
2P
−
+−
−
+
2P
SM+ D
WS
C−D
2P
2P
34 PGND3
33 DO3.1
32 DO3.2
31 PGND2
30 PGND1
29 DO4.1
28 DO4.2
S
W
M
S
C
MUTE4
MUTE3
MUTE2
MUTE1
+
−
D
D
2P
2P
27 DO5.1
26 DO5.2
25 DO6.1
13 14
FWD1 REV1
15 16
17
CTL FWD2 REV2
18
SGND
19 20 21 22 23 24
MUTE1 MUTE2 MUTE3 MUTE4 PVCC1 DO6.2
Notes:
1. SW = Logic switch
2. MSC = Motor speed control
3. D = Output driver
5
5 Page 
KA3031
Electrical Characteristics
(SVCC=PVCC1=PVCC2=8V, Ta=25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Quiescent circuit current
ICC under no-load
All mute on current
IMUTE ALL Pin 45=GND
All mute on voltage
VMON ALL Pin 45=Variation
All mute off voltage
VMOFF ALL Pin 45=Variation
CH mute on voltage
VMON CH Pin 19, 20, 21, 22=Variation
CH mute off voltage
VMOFF CH Pin 19, 20, 21, 22=Variation
DRIVER PART (RL=8Ω)
Input offset voltage
VIO
-
Output offset voltage
Maximum output voltage 1
VOO
VOM1
VIN=2.5V
VCC=8V, RL=8Ω
Maximum output voltage 2
VOM2 VCC=13V, RL=24Ω
Closed-loop voltage gain
AVF VIN=0.1VRMS
Ripple rejection ratio
RR VIN=0.1VRMS, f=120kHz
Slew rate
SR Square, Vout=2Vp-p, f=120kHz
NORMAL OPAMP PART
Input offset voltage
VOF1
-
Input bias current
IB1
-
High level output voltage
VOH1 RL=50Ω
Low level output voltage
VOL1 RL=50Ω
Output sink current
ISINK1 VIN=−75dB, f=1kHz
Output source current
ISOURCE1 VIN=−20dB, f=120kHz
Open loop voltage gain
GVO1 Square, Vout=2Vp-p, f=120kHz
Ripple rejection ratio
RR1 VIN=−20dB, f=1kHz
Slew rate
SR1 -
Common mode rejection ratio CMRR1
-
Min.
9
-
-
2
2
-
−20
−50
4.0
7
9
-
-
−10
-
6
-
10
10
-
-
-
-
Typ.
12
6
-
-
-
-
-
-
5.5
9
10.5
50
0.8
-
-
6.8
1.0
40
40
75
65
1
80
Max.
16
10
0.5
-
-
0.5
Units
mA
mA
V
V
V
V
+20 mV
+50 mV
-V
-V
12 dB
- dB
- V/µs
+10 mV
300 nA
-V
1.8 V
- mA
- mA
- dB
- dB
- V/µs
- dB
11
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet KA3031.PDF ] | |
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