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The UTC LAG668 is a monolithic integrated circuit, designed for portable radio cassette. FEATURES *1-Chip IC for headphone stereo SOP-28 BLOCK DIAGRAM 27 26 25 24 23 22 21 19 20 18 14 17 16 15 13 Power Amp Pre Amp Attenuator Motor Control 1/2 Vcc Bias Control 1/2 Vcc V/I Power Amp Pre Amp Attenuator Power Amp 1 2 3 28 4 5 6 7 8 9 11 10 .
*1-Chip IC for headphone stereo
SOP-28
BLOCK DIAGRAM
27 26 25 24 23 22 21 19 20 18 14 17 16 15 13
Power Amp Pre Amp Attenuator Motor Control
1/2 Vcc
Bias Control
1/2 Vcc V/I
Power Amp Pre Amp Attenuator
Power Amp
1
2
3
28
4
5
6
7
8
9
11
10
12
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R110-012,A
UTC LAG668
PIN CONFIGURATION
VBPRE 1IN+ 1ININFPRF IOUTPRE ATT1 CONVOL VREF 1OUTP GNDP VBP GNDMD VCON MOON
LINEAR INTEGRATED CIRCUIT
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
GNDPRE 2IN+ 2IN2NFPRE 2OUTPRE ATT2 PREOFF VCCPRE VCC 2OUTP MOOFF VCC.
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|---|---|---|---|---|
| 1 | UTCLAG665F |
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| 2 | UTCL6726 |
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| 3 | UTCLD1117 |
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| 4 | UTCLD1117A |
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| 5 | UTCLD3870 |
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| 6 | UTCLM2954 |
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| 8 | UTCLM317L |
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| 9 | UTCLM339 |
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| 11 | UTCLM386 |
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| 12 | UTCLM393 |
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|