UNISONIC TECHNOLOGIES CO.,
AN6650
MOTOR SPEED CONTROL
CIRCUIT
DESCRIPTION
The UTC
AN6650
is a monolithic integrated circuit, designed for the
tape recorder.
LINEAR INTEGRATED CIRCUIT
FEATURES
*Wide Operating Supply Voltage: V
CC
=1.8V-7V
*Few External Components
*Easy Speed Control Mode
ORDERING INFORMATION
Normal
AN6650-S08-R
AN6650-D08-T
Ordering Number
Lead Free
AN6650L-S08-R
AN6650L-D08-T
Halogen Free
AN6650G-S08-R
AN6650G-D08-T
Package
SOP-8
DIP-8
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co.,
1
QW-R109-002.D
AN6650
BLOCK DIAGRAM
Comp.
Input
LINEAR INTEGRATED CIRCUIT
VREF-
VREF+
VCC
4
1k
1
2
Reference
Voltage
3
Start Circuit
10k
10k
Motor
7
8
Phase
5
GND
6
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2
QW-R109-002. D
AN6650
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
Supply Voltage
Terminal Voltage
Terminal 8 Voltage
Supply Current
Terminal 7 Current
Power Dissipation
Operating Temperature
Storage Temperature
Note: Test Time<5μs
DIP-8
SOP-8
SYMBOL
V
CC
Vn (n=1,2,3,4)
V
8
I
CC
(Note)
I7
P
D
T
OPR
T
STG
LINEAR INTEGRATED CIRCUIT
RATINGS
7.5
-0.5 ~ 7.5
-0.5 ~ 1
1000
1000
750
360
-20 ~ +85
-40 ~ +150
UNIT
V
V
V
mA
mA
mW
°C
°C
ELECTRICAL CHARACTERISTICS
(Ta=25°C, Vcc=6V, f=1KHz, unless otherwise specified)
PARAMETER
Quiescent Circuit Current
Reference Voltage
Start Voltage
Saturation Voltage
Reference Voltage
Characteristics
SYMBOL
I
CC
V
REF
V
CC(S)
V
(SAT)
TEST CONDITIONS
V
CC
=3V
V
CC
=3V,R2-1>10kΩ
30mA current flow to Ra
V
CC
=1.8V, Ra=4.7Ω
V
CC
=1.8V ~ 7.0V
TEST
CIRCUIT
1
4
2
2
1
MIN
TYP
2
1.28
1.0
0.2
0.1
MAX
3
1.35
1.2
0.5
1.25
UNIT
mA
V
V
V
%/V
1.20
-1.25
Output Voltage
Characteristics
Reference Voltage Current
Characteristics
Reference Voltage
Temperature
Characteristics
V
REF
V
REF
T
A
V
CC
=1.8V ~ 7.0V
3
-1.2
0.1
1.2
%/V
I
7
=1mA ~ 20mA
4
-0.2
0.01
0.2
%/mA
T
a
=-20 ~ +60°C, V
CC
=3.0V
4
0.01
%/°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3
QW-R109-002. D
AN6650
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
V
8
7
6
5
Ra
4.7
8
7
6
5
0.1
F
0.1
F
1
10k
2
3
4
1
F
9.1k
1
2
0.47
3
4
1
F
A
V
CC
V
CC
9.1k
9.1k
1k
1k
1k
V
REF
Fig.4 ( V
REF
V
REF
, V
REF
I
7
)
T
A
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4
QW-R109-002. D
AN6650
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5
QW-R109-002. D