Monolithic Linear LA4168M Record/Playback System Microcasset

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Monolithic Linear LA4168M Record/Playback System Microcasset

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Ordering number EN5660
Monolithic Linear
LA4168M
Record/Playback System Microcassette Compact Cassette Recorders
Overview
LA4168M record/playback system microcassette compact cassette recorders. LA4168M extremely high-functionality that includes motor control governor circuit, voice sensor circuit that detects sounds turns motor off, power switch control circuit that receives electrical signal from photosensor turns function blocks off, circuit that increases speed motor during playback.
Features
Includes voice switch that turn governor off. Includes power switch circuit that turn function blocks from photosensor signal. During record, automatically turn governor according microphone input level, furthermore, governor on/off level continuously adjusted from external control knob. (The control used volume adjustment during playback.) Continuously variable microphone monitor level. Includes drive that lights only when governor record mode.
Functions
Microphone playback preamplifiers Record amplifier Power amplifier (BTL, Automatic stop circuit (power switch) Governor circuit Motor speed high-speed switching circuit Microphone power supply drive circuit Voice sensor circuit
Package Dimensions
unit: 3073A-MFP30SD
[LA4168M]
SANYO: MFP30SD
Specifications
Maximum Ratings 25°C
Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol Topr Tstg Conditions Ratings +150 Unit
Operating Conditions 25°C
Parameter Recommended supply voltage Operating voltage range Load resistance (power block) (preamplifier block) Symbol VCCop RLpwr RLpre Conditions Ratings Unit
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, JAPAN
73097HA(OT) 5660-1/6
LA4168M Operating Characteristics 25°C, (power amplifier), (preamplifier), kHz, 0.775
Parameter [PRE POWER GVN] Standby current [PRE POWER] Quiescent current Voltage gain AMP] Voltage gain (open loop) Voltage gain (closed loop) Maximum output voltage Total harmonic distortion Equivalent input noise voltage Ripple rejection ratio [MIC AMP] MIN, Voltage gain (closed loop) Maximum output voltage Total harmonic distortion Equivalent input noise voltage Ripple rejection ratio Input resistance [MIC REC] Voltage gain (closed loop) Maximum output voltage Output noise voltage Ripple rejection ratio [POWER AMP] Voltage gain (closed loop) Voltage gain (closed loop) Output power Total harmonic distortion Output noise voltage Ripple rejection ratio Output offset Input resistance [ALC] width harmonic distortion output start input [Voice Sensor (VOX)] Operation start input voltage Input hysteresis [Auto-Stop] Operation voltage [LED] drive current [GVN] Reference voltage Current division ratio Residual voltage CONT voltage speed mode Reference voltage/voltage characteristics Current division ratio/voltage characteristics Reference voltage/current characteristics Current division ratio/current characteristics ILED Vref Vsat Vcont Vref /VCC Vref /VCC Vref Vref Vref input current when shorted through 300- resistor VREF CONT, 200mA 0.35 -0.07 1.25 0.41 0.002 0.03 0.47 0.03 +0.07 %/mA %/mA ICC-R ICC-P VGTP VGOP THDP VNIP VGM1 VOmaxM THDM VNIM SVRR VGRT VOmaxR VNORT RrRT VGBTL VGSIN POBTL POSIN THDBTL VNOBTL RrBTL VDCOFF RINBTL MODE, PLAY MODE, PLAY MODE, audio filter audio filter 71.5 0.75 0.75 65.5 76.5 ISTB With connected through 100-k resistor Symbol Conditions Ratings Unit
67.5
63.5 21.5 20.5
Input, audio filter Single, Single 0.25 filter
26.5 25.5
ALCW ALCTHD
input level width from point circuit operates point harmonic distortion reaches VOLUME
0.43 0.53
0.33 0.65
voltage point auto-stop circuit operates
5660-2/6
LA4168M
Allowable power dissipation,
Ambient temperature,
Block Diagram
5660-3/6
LA4168M Test Circuit Diagram
Speed
5660-4/6
LA4168M Sample Application Circuit
record/playback switch described above, during playback power supply ripple output from (pin influence EQIN (pin 29). This problem minimized adding 5.6-k resistor between
Speed
5660-5/6
LA4168M
products described contained herein intended surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment like, failure which directly indirectly cause injury, death property loss. Anyone purchasing products described contained herein above-mentioned shall: Accept full responsibility indemnify defend SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees, jointly severally, against claims litigation damages, cost expenses associated with such use: impose responsibility fault negligence which cited such claim litigation SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees jointly severally. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties. This catalog provides information July, 1997. Specifications information herein subject change without notice. 5660-6/6

Monolithic Linear LA4168M Record/Playback System Microcasset

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