UTC AN6650
LINEAR INTEGRATED CIRCUIT
MOTOR SPEED CONTROL
CIRCUIT
DESCRIPTION
The UTC AN6650 is a monolithic integrated circuit,
designed for the tape recorder.
SOP-8
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 Dissipation
DIP-8
SOP-8
Operating Temperature
Storage Temperature
*Test Time<5µs
SYMBOL
V
CC
Vn(n=1,2,3,4)
V
8
I
CC
*
I7
PD
VALUE
7.5
-0.5 to 7.5
-0.5 to 1
1000
1000
750
360
-20 to 70
-40 to 150
UNIT
V
V
V
mA
mA
mW
T
OPR
T
STQ
°C
°C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R109-002,B
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)
V(SAT)
∆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
VCC
FIG.1 (Icc,
VREF
∆
VCC
)
FIG 2 (Vcc(s),Vsat)
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R109-002,B
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 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.
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R109-002,B
Microcontroller MCU
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