UTC AN6650
LINEAR INTEGRATED CIRCUIT
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
Comp.
Input
VREF-
VREF+
VCC
4
1kΩ
1
2
Reference
Voltage
3
Start Circuit
10kΩ
10kΩ
Motor
7
8
Phase
5
GND
6
GND
ABSOLUTE MAXIMUM RATINGS
(Ta=25°C)
PARAMETER
Supply Voltage
Terminal Voltage
Terminal 8 Voltage
Supply Current
Terminal 7 Current
Power Dissapation
Operating Temperature
Storage Temperature
*Test Time<5µs
SYMBOL
V
CC
Vn(n=1,2,3,4)
V
8
I
CC
*
I7
PD
T
OPR
T
STQ
VALUE
7.5
-0.5 to 7.5
-0.5 to 1
1000
1000
750
-20 to 70
-40 to 150
UNIT
V
V
V
mA
mA
mW
°C
°C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R109-002,A
UTC AN6650
PARAMETER
Quiescent Circuit
Current
Reference Voltage
Start Voltage
Saturation Voltage
Reference Voltage
Characteristics
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
VCC=3V
VCC=3V
¬
£
R2-1>10kΩ
30mAcurrent flow to Ra
VCC=1.8V,Ra=4.7Ω
VCC=1.8V~7.0V
1.20
ELECTRICAL CHARACTERISTICS
(Ta=25°C, Vcc=6V, f=1KHZ, unless otherwise specified)
SYMBOL
ICC
VREF
VCC(S)
VSAT
∆VREF
VREF
∆VCC
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
TEST
CIRCUIT
1
4
2
2
1
-1.25
Output Voltage
Characteristics
∆VA
VA
∆VCC
VCC=1.8V~7.0V
-1.2
0.1
1.2
%/V
3
Reference Voltage
Current
Characteristics
Reference Voltage
Temperature
Characteristics
∆VREF
VREF
∆I7
∆VREF
VREF
∆TA
I7=1mA~20mA
-0.2
0.01
0.2
%/mA
4
TA=-20~+60°C,VCC=3.0V
0.01
%/°C
4
TEST CIRCUIT
V
8
7
6
5
Ra
4.7Ω
8
7
6
5
0.1
µF
0.1
µF
1
2
3
4
1
µF
9.1kΩ
1
1kΩ
2
0.47Ω
3
4
1
µF
10kΩ
A
VCC
∆
VREF
VREF
VCC
FIG.1 (Icc,
∆
VCC
)
FIG 2 (Vcc(s),Vsat)
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R109-002,A
UTC AN6650
8
Va
Ra
4.7Ω
0.1
µF
LINEAR INTEGRATED CIRCUIT
7
6
5
8
7
6
5
0.1
µF
1
9.1kΩ
1kΩ
2
10Ω
3
4
1
µF
A
9.1kΩ
1
1kΩ
2
10Ω
3
4
1
µF
VCC
V
FIG 4
VCC
FIG.3
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R109-002,A
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