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Details, datasheet, quote on part number:UTCLAG668
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Datasheet text preview:
UTC LAG668
LINEAR INTEGRATED CIRCUIT
RADIO AND CASSETTE RECORDER CIRCUIT
DESCRIPTION
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
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 VCCMO CONT CONS
PIN NO.
1 2 3 4 5 6 7 8 9 10 11 12 13 14
SYMBOL
VBPRE 1 IN+ 1 IN 1 NFPRE 1 OUTPRE ATT 1 CONVOL VREF 1 OUTP GNDP VBP GNDM D VCON MOON
DESCRIPTION
Pre Amp Bias Voltage Channel 1 " +" Input Channel 1 " -" Input Feedback Attenuator 1 1 1 Pre Amp Output Volume Control Reference Voltage Power Amp Output Power GND Power Amp Bias Voltage Motor GND Motor Control Voltage Motor Forced Start 1
PIN NO.
15 16 17 18 19 20 21 22 23 24 25 26 27 28
SYMBOL
CONS CONT V CCMO MOOFF 2 OUTP VCC V CCPRE PREOFF ATT 2 2 OUTPRE 2 NFPRE 2 IN2 IN+ GNDPRE
DESCRIPTION
Speed Control Torqul Control Motor Power Control Motor Forced Stop Power Amp Output Supply Voltage Supply Voltage Pre Amp Off Attenuator Feedback 2 2 2 Pre Amp Output 2
Channel 2 " -" Input Channel 2 " +" Input Pre GND
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R110-012,A
UTC LAG668
PARAMETER
Supply Voltage Power Dissipation Operating Voltage Operating Temperature Storage Temperature
LINEAR INTEGRATED CIRCUIT
SYMBOL
Vcc Pd Vop Topr Tstg
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
VALUE
-0.3~+7.5 750 2~5 -20~+65 -40~+125
UNIT
V mW V °C °C
AMPLIFIER ELECTRICAL CHARACTERISTICS(Ta=25°C)
PARAMETER
Supply Current PRE-AMPLIFIER Open Loop Gain Close Loop Gain Maximum Output Voltage Total Harmonic Distortion Output Noise Voltage Input Impedance Cross Talk between CH Output Voltage when Pre-Off Output Impedance when Pre-Off Input Impedance when Pre-Off Attenuator Maximum Input Voltage Maximum Attenuation Attenuation Error Input Impedance Control Ternimal Input Impedance Power Amplifier Voltage Gain Channel Voltage Difference Maximum Output Power I Maximum Output Power II Total Harmonic Distortion Cross Talk between CH Output Noise Voltage Ripple Rejection Pre + Pulse Boost + Power Noise
SYMBOL
Icc Gvo Gvc Vom THD Von Zin CT Vooff Rooff Rloff Vimax Vamax Vaerr Zia Zicot
TEST CONDITIONS
Vin=0V, IM=0mA Vo=-10dBm, RL= Vo=-10dBm THD=10% Vout=100mVrms Vin=0, Rg=2.2k, BPF(30~20k) Vout=-10dBm Rg=2.2k, Vout=-10dBm Vin=100mVrms
MIN
TYP
18 72 42 0.6 0.05 150 22
MAX
25
UNIT
mA dB dB Vrms % µVrms k dB dB k k Vrms dB dB k k
40 0.45
44 0.5 300
18 30
-50 10 10 0.2 66 0 200 100
Vcont=Min Vcont=Max
Pout=5mW Vcont=Max THD=10%, RL=32 THD=10%, RL=16 Pout=5mW Pout=5mW Rg=2.2k, Vcont=Max Vcc=3V, 100Hz, 100mVp-p Vin=0V, Rg=2.2k, Vcont=Max* *Vcc=3V, f=1kHz, RL=16, unless otherwise specified.
GV G V Pom 1 Pom 2 THD CT Von RR Vnto
36 20 30 20 31
38 0 28 0.5 30 1 37 3
40 3
2 2 6
dB dB mW mW % dB mVrms dB mVrms
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-012,A
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