CNTK AN6650 Datasheet
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
DIP-8
BLOCK DIAGRAM
Comp.
Input
VREF- VREF+ VCC
214 3
Reference
Voltage
Start Circuit
10k W
658
GND GND
Motor
7
1k W
10k W
Contek
Phase
ABSOLUTE MAXIMUM RATINGS(Ta=25 C)
PARAMETER SYMBOL VALUE UNIT
Supply Voltage V
Terminal Voltage Vn(n=1,2,3,4) -0.5 to 7.5 V
Terminal 8 Voltage V
Supply Current ICC* 1000 mA
Terminal 7 Current I
Power Dissapation PD 750 mW
Operating Temperature T
Storage Temperature T
*Test Time<5ms
CC
8
7
OPR
STQ
7.5 V
-0.5 to 1 V
1000 mA
-20 to 70 C
-40 to 150 C
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
1
AN6650 LINEAR INTEGRATED CIRCUIT
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
Reference Voltage VREF VCC=3 V R2-1>10kW 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 W 0.2 0.5 V 2
Reference Voltage
Characteristics
Output Voltage
Characteristics
Reference Voltage
Current
Characteristics
Reference Voltage
Temperature
Characteristics
ICC VCC=3V 2 3 mA 1
DVREF
VREF
DVCC
DVA
VA
DVCC
DVREF
VREF
DI7
DVREF
VREF
DTA
VCC=1.8V~7.0V -1.25 0.1 1.25 %/V 1
VCC=1.8V~7.0V -1.2 0.1 1.2 %/V 3
I7=1mA~20mA -0.2 0.01 0.2 %/mA 4
TA=-20~+60 C,VCC=3.0V 0.01 %/ C 4
TEST CIRCUIT
0.1 mF
CONTEK
78 6 5
Contek
21 3 4
10kW
1 mF
Ra
4.7W
0.1 mF
9.1kW
78 6 5
Contek
21 3 4
0.47W
1kW
A
VCC
VREFDD
VREF
FIG.1 (Icc,
VCC
) FIG 2 ( Vcc(s),Vsat)
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
V
1 mF
VCC
2
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