UTC AN6650
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R109-002,A
MOTOR SPEED CONTROL
CIRCUIT
DESCRIPTION
The UTC AN6650 is a monolithic integrated circuit,
designed for the tape recorder.
FEATURES
*Wide operating supply voltage: Vcc=1.8V-7V
*Few external components
*Easy speed control mode
DIP-8
BLOCK DIAGRAM
Reference
Voltage
Start Circuit
2
1
4
3
6
5
8
7
VREF-
VREF+
VCC
GND
GND
Phase
Motor
Comp.
Input
10k
10k
1k
ABSOLUTE MAXIMUM RATINGS
(Ta=25
C)
PARAMETER
SYMBOL
VALUE
UNIT
Supply Voltage
V
CC
7.5
V
Terminal Voltage
Vn(n=1,2,3,4)
-0.5 to 7.5
V
Terminal 8 Voltage
V
8
-0.5 to 1
V
Supply Current
I
CC
*
1000
mA
Terminal 7 Current
I7
1000
mA
Power Dissapation
PD
750
mW
Operating Temperature
T
OPR
-20 to 70
C
Storage Temperature
T
STQ
-40 to 150
C
*Test Time<5
s
UTC AN6650
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R109-002,A
ELECTRICAL CHARACTERISTICS
(Ta=25
C, Vcc=6V, f=1KHZ, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TEST
CIRCUIT
Quiescent Circuit
Current
ICC
VCC=3V
2
3
mA
1
Reference Voltage
VREF
VCC=3V
R2-1>10k
1.20
1.28
1.35
V
4
Start Voltage
VCC(S)
30mAcurrent flow to Ra
1.0
1.2
V
2
Saturation Voltage
VSAT
VCC=1.8V,Ra=4.7
0.2
0.5
V
2
Reference Voltage
Characteristics
VCC=1.8V~7.0V
-1.25
0.1
1.25
%/V
1
Output Voltage
Characteristics
VCC=1.8V~7.0V
-1.2
0.1
1.2
%/V
3
Reference Voltage
Current
Characteristics
I7=1mA~20mA
-0.2
0.01
0.2
%/mA
4
Reference Voltage
Temperature
Characteristics
TA=-20~+60
C,VCC=3.0V
0.01
%/
C
4
TEST CIRCUIT
A
7
8
6
5
2
1
3
4
7
8
6
5
2
1
3
4
VCC
10k
0.1
F
1
F
V
1
F
0.1
F
4.7
Ra
VCC
0.47
9.1k
1k
FIG.1 (Icc,
VCC
VREF
VREF
) FIG 2 (Vcc(s),Vsat)
VREF
VREF
VCC
VA
VA
VCC
VREF
VREF
I7
VREF
VREF
TA
UTC AN6650
LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R109-002,A
7
8
6
5
2
1
3
4
1
F
0.1
F
VCC
10
9.1k
1k
7
8
6
5
2
1
3
4
1
F
0.1
F
4.7
Ra
VCC
10
9.1k
1k
Va
V
A
FIG.3 FIG 4
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