AN6650 WINGS | Alldatasheet
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Technical content
AN6650 LINEAR INTEGRATED CIRCUIT MOTOR SPEED CONTROL CIRCUIT
DESCRIPTION
The 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 SOP-8 BLOCK DIAGRAM Reference Voltage Start Circuit 214 3 658 VREF- VREF+ VCC GND GNDPhase Motor Comp. Input 10kΩ10kΩ 1kΩ 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 I 7 1000 mA Power Dissipation DIP-8 SOP-8 PD 750 360 mW Operating Temperature T OPR -20 to 70 °C Storage Temperature T STQ -40 to 150 °C *Test Time<5µs Wing Shing Computer Components Co., (H.K.)Ltd. Tel:(852)2341 9276 Fax:(852)2797 8153 Homepage: http://www.wingshing.com E-mail: ic@wingshing.com
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 ICC VCC=3V 2 3 mA 1 Reference Voltage VREF VCC=3V ，R2-1>10kΩ 1.20 1.28 1.35 V 4 Start Voltage VCC(S) 30mAcurrent flow to Ra 1.0 1.2 V 2 Saturation Voltage V(SAT) VCC=1.8V,Ra=4.7 Ω 0.2 0.5 V 2 Reference Voltage Characteristics Output Voltage Characteristics Reference Voltage Current Characteristics I7=1mA~20mA -0.2 0.01 0.2 %/mA 4 Reference Voltage Temperature Characteristics TEST CIRCUIT A 78 6 5 21 3 4 78 6 5 21 3 4 VCC 10kΩ 0.1 µF 1 µF V 1 µF 0.1 µF4.7Ω Ra VCC 0.47Ω 9.1kΩ 1kΩ FIG.1 (Icc, VCC VREF VREF ) F I G 2 ( V c c ( s ) , V s a t ) ∆ VREF VREF ∆VCC ∆ VA VA ∆VCC ∆ VREF VREF ∆I7 ∆ VREF VREF ∆ TA
AN6650 LINEAR INTEGRATED CIRCUIT 78 6 5 21 3 4 1 µF 0.1 µF VCC 10Ω 9.1kΩ 1kΩ 78 6 5 21 3 4 1 µF 0.1 µF4.7Ω Ra VCC 10Ω 9.1kΩ 1kΩ Va V A F I G . 3 F I G 4