AN6650
LINEAR INTEGRATED CIRCUIT
MOTOR SPEED CONTROL
CIRCUIT
DESCRIPTION
The Contek 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
BLOCK DIAGRAM
Comp.
Input
4
1k W
10k W
Motor 7
Contek
VREF-
1
VREF+
2
Reference
Voltage
10k W
VCC
3
Start Circuit
8
5
6
Phase
GND
GND
DIP-8
ABSOLUTE MAXIMUM RATINGS(Ta=25 C)
PARAMETER
SYMBOL
Supply Voltage
Terminal Voltage
VCC
Vn(n=1,2,3,4)
Terminal 8 Voltage
V8
Supply Current
ICC*
Terminal 7 Current
I7
Power Dissapation
PD
Operating Temperature
Storage Temperature
TOPR
TSTQ
*Test Time<5ms
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
Contek Microelectronics Co.,Ltd.
1
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com