IC. LAG665F Datasheet

LAG665F Datasheet PDF

Part LAG665F
Description LINEAR IC
Feature LAG665F; UNISONIC TECHNOLOGIES CO., LTD LAG665F LINEAR INTEGRATED CIRCUIT IC FOR HEADPHONE STEREOS  DESC.
Manufacture UTC
Datasheet
Download LAG665F Datasheet




LAG665F
UNISONIC TECHNOLOGIES CO., LTD
LAG665F
LINEAR INTEGRATED CIRCUIT
IC FOR HEADPHONE
STEREOS
DESCRIPTION
The LAG665 is a monolithic integrated circuit, designed for
was use in headphone stereos, and incorporates dual preamp,
power amp, electronic VR and motor control circuits.
It can be used in a simple circuit configuration which requires
very few external components.
FEATURES
*1-Chip stereo tape recorder with motor speed controller.
*Operating supply voltage range: VCC=2~5V
*Good volume control
ORDERING INFORMATION
Ordering Number
LAG665FG-S28-R
Package
SOP-28
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1of 8
QW-R11-013.B



LAG665F
LAG665F
PIN CONFIGURATION
VBPRE 1
1 IN+ 2
1 IN- 3
1 NFPRF
1 OUTPRE
ATT1
4
5
6
CONVOL
VREF
1 OUTP
7
8
9
GNDP 10
VBP 11
GNDMD 12
VCON 13
MOON 14
LINEAR INTEGRATED CIRCUIT
28 GNDPRE
27 2 IN+
26 2 IN-
25 2 NFPRE
24 2 OUTPRE
23 ATT 2
22 PREOFF
21 VCCPRE
20 VCC
19 2 OUTP
18 MOOFF
17 VCCMO
16 CONT
15 CONS
PIN FUNCTION DESCRIPTIONS
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
SYMBOL
VBPRE
1 IN+
1 IN -
1 NFPRE
1 OUTPRE
ATT 1
CONVOL
VREF
1 OUTP
GNDP
VBP
GNDMD
VCON
MOON
CONS
CONT
VCCMO
MOOFF
2 OUTP
VCC
VCCPRE
PREOFF
ATT 2
2 OUTPRE
2 NFPRE
2 IN-
2 IN+
GNDPRE
Pre Amp Bias Voltage
Channel 1 “+” Input
Channel 1 “-” Input
Feedback 1
Pre Amp Output 1
Attenuator 1
Volume Control
Reference Voltage
Power Amp Output 1
Power GND
Power Amp Bias Voltage
Motor GND
Motor Control Voltage
Motor Forced Start
Speed Control
Torqul Control
Motor Power Control
Motor Forced Stop
Power Amp Output 2
Supply Voltage
Supply Voltage
Pre Amp Off
Attenuator 2
Pre Amp Output 2
Feedback 2
Channel 2 “-” Input
Channel 2 “+” Input
Pre GND
DESCRIPTION
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 8
QW-R11-013.B



LAG665F
LAG665F
BLOCK DIAGRAM
27 26
25 24 23 22
LINEAR INTEGRATED CIRCUIT
21 19
20
14 17 16 15 13
Pre Amp
Attenuator
1/2 Vcc
Bias
Control
V/I
Pre Amp
Attenuator
Power Amp
1/2 Vcc
Power
Amp
Motor
Control
Power Amp
123
28 4 5 6 7 8
9
11 10
18 12
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 8
QW-R11-013.B







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