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    产品型号TDA7282的Datasheet PDF文件预览

    TDA2822M  
    DUAL LOW-VOLTAGE POWER AMPLIFIER  
    .
    .
    .
    .
    SUPPLY VOLTAGE DOWN TO 1.8V  
    LOW CROSSOVER DISTORSION  
    LOW QUIESCENT CURRENT  
    BRIDGE OR STEREO CONFIGURATION  
    MINIDIP  
    ORDERING NUMBER : TDA2822M  
    DESCRIPTION  
    The TDA2822M is a monolithic integrated circuit in  
    8 lead Minidip package. It is intended for use as  
    dual audio power amplifier in portable cassette  
    players and radios.  
    PIN CONNECTION (Top view)  
    1/11  
    March 1995  
    TDA2822M  
    SCHEMATIC DIAGRAM  
    ABSOLUTE MAXIMUM RATINGS  
    Symbol  
    Parameter  
    Value  
    15  
    Unit  
    V
    Vs  
    Io  
    Supply Voltage  
    Peak Output Current  
    1
    A
    Ptot  
    Total Power Dissipation at Tamb = 50 °C  
    at Tcase = 50 °C  
    1
    1.4  
    W
    W
    Tstg, Tj  
    Storage and Junction Temperature  
    – 40, + 150  
    °C  
    THERMAL DATA  
    Symbol  
    Parameter  
    Value  
    100  
    70  
    Unit  
    °C/W  
    °C/W  
    Rth j-amb  
    Rth j-case  
    Thermal Resistance Junction-ambient  
    Thermal Resistance Junction-pin (4)  
    Max.  
    Max.  
    2/11  
    TDA2822M  
    ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25oC, unlessotherwise specified)  
    Symbol  
    Parameter  
    Test Conditions  
    Min.  
    Typ.  
    Max. Unit  
    STEREO (test circuit of Figure 1)  
    Vs  
    Vo  
    Supply Voltage  
    1.8  
    15  
    9
    V
    Quiescent Output Voltage  
    2.7  
    1.2  
    V
    V
    Vs = 3V  
    Id  
    Ib  
    Quiescent Drain Current  
    Input Bias Current  
    6
    mA  
    nA  
    100  
    Po  
    Output Power (each channel)  
    (f = 1kHz, d = 10%)  
    mW  
    RL = 32Ω  
    VS = 9V  
    VS = 6V  
    VS = 4.5V  
    VS = 3V  
    VS = 2V  
    VS = 6V  
    VS = 9V  
    VS = 6V  
    VS = 6V  
    VS = 4.5V  
    VS = 3V  
    300  
    120  
    60  
    90  
    15  
    20  
    5
    RL = 16Ω  
    RL = 8Ω  
    170  
    220  
    1000  
    380  
    650  
    320  
    110  
    300  
    450  
    RL = 4Ω  
    d
    Distortion (f = 1kHz)  
    RL = 32Ω  
    RL = 16Ω  
    RL = 8Ω  
    Po = 40mW  
    Po = 75mW  
    Po = 150mW  
    0.2  
    0.2  
    0.2  
    %
    %
    %
    Gv  
    ∆Gv  
    Ri  
    Closed Loop Voltage Gain  
    Channel Balance  
    f = 1kHz  
    36  
    39  
    41  
    dB  
    dB  
    kΩ  
    ± 1  
    Input Resistance  
    f = 1kHz  
    100  
    eN  
    Total Input Noise  
    Rs = 10kΩ B = Curve A  
    B = 22Hz to 22kHz  
    2
    2.5  
    µV  
    µV  
    SVR  
    Cs  
    Supply Voltage Rejection  
    Channel Separation  
    f = 100Hz, C1 = C2 = 100µF  
    24  
    30  
    50  
    dB  
    dB  
    f = 1kHz  
    BRIDGE (test circuit of Figure 2)  
    Vs  
    Id  
    Supply Voltage  
    1.8  
    15  
    9
    V
    Quiescent Drain Current  
    RL = ∞  
    6
    mA  
    mV  
    Vos  
    Output Offset Voltage  
    (between the outputs)  
    RL = 8Ω  
    ± 50  
    Ib  
    Input Bias Current  
    100  
    nA  
    Po  
    Output Power (f = 1kHz, d = 10%)  
    mW  
    RL = 32Ω  
    VS = 9V  
    VS = 6V  
    VS = 4.5V  
    VS = 3V  
    VS = 2V  
    VS = 9V  
    VS = 6V  
    VS = 3V  
    VS = 6V  
    VS = 4.5V  
    VS = 3V  
    VS = 4.5V  
    VS = 3V  
    VS = 2V  
    1000  
    400  
    200  
    65  
    320  
    50  
    8
    RL = 16Ω  
    RL = 8Ω  
    RL = 4Ω  
    2000  
    800  
    120  
    1350  
    700  
    220  
    1000  
    350  
    80  
    900  
    200  
    d
    Distortion  
    Po = 0.5W, RL = 8Ω, f = 1kHz  
    f = 1kHz  
    0.2  
    39  
    %
    Gv  
    Ri  
    eN  
    Closed Loop Voltage Gain  
    Input Resistance  
    Total Input Noise  
    dB  
    kΩ  
    f = 1kHz  
    100  
    Rs = 10kΩ B = Curve A  
    2.5  
    3
    µV  
    µV  
    B = 22Hz to 22kHz  
    SVR  
    B
    Supply Voltage Rejection  
    Power Bandwidth (–3dB)  
    f = 100Hz  
    40  
    dB  
    RL = 8Ω, Po = 1W  
    120  
    kHz  
    3/11  
    TDA2822M  
    Figure 1 : Test Circuit (Stereo)  
    Figure 2 : Test Circuit (Bridge)  
    Figure 3 : P.C. Board and Components Layout  
    Figure 4 : P.C. Board and Components Layout  
    of the Circuit of Figure 1  
    of the Circuit of Figure 2  
    4/11  
    TDA2822M  
    Figure 5 : Quiescent Current versus  
    Figure 6 : Supply Voltage Rejection versus  
    Supply Voltage  
    Frequency  
    Figure 7 : Output Power versus Supply Voltage  
    Figure 8 : Distorsion versus Output Power  
    (THD = 10%, f = 1kHz Stereo)  
    (Stereo)  
    Figure 9 : Distorsion versus Output Power  
    Figure 10 : Output Power versus Supply Voltage  
    (Stereo)  
    (Bridge)  
    5/11  
    TDA2822M  
    Figure 11 : Distorsion versus Output Power  
    Figure 12 : Total Power Dissipation versus  
    (Bridge)  
    Output Power (Bridge)  
    Figure 13 : Total Power Dissipation versus  
    Figure 14 : Total Power Dissipation versus  
    Output Power (Bridge)  
    Output Power (Bridge)  
    Figure 15 : Total Power Dissipation versus  
    Output Power (Bridge)  
    6/11  
    TDA2822M  
    Figure 16 : Typical Application in Portable Players  
    Figure 17 : Application in Portable Radio Receivers  
    7/11  
    TDA2822M  
    Figure 18 : Portable Radio Cassette Players  
    Type  
    TDA 7220  
    TDA 7211A  
    TEA 1330  
    TDA 7282  
    TDA 2822M  
    Supply Voltage  
    1.5 V to 6 V  
    1.2 V to 6 V  
    3 V to 15 V  
    1.5 V to 6 V  
    1.8 V to 15 V  
    Figure 19 : Portable Stereo Radios  
    Type  
    Supply Voltage  
    TDA 7220  
    TDA 7211A  
    TEA 1330  
    TDA 2822M  
    1.5 V to 6 V  
    1.2 V to 6 V  
    3 V to 15 V  
    1.8 V to 15 V  
    Figure 20 : Low Cost Application in Portable Players (using only one 100µF output capacitor)  
    8/11  
    TDA2822M  
    Figure 21 : 3V Stereo Cassette Player with Motot Speed Control  
    9/11  
    TDA2822M  
    MINIDIP PACKAGE MECHANICAL DATA  
    mm  
    inch  
    TYP.  
    0.131  
    DIM.  
    MIN.  
    TYP.  
    MAX.  
    MIN.  
    MAX.  
    A
    a1  
    B
    3.32  
    0.51  
    1.15  
    0.020  
    0.045  
    0.014  
    0.008  
    1.65  
    0.55  
    0.065  
    0.022  
    0.012  
    0.430  
    0.384  
    b
    0.356  
    0.204  
    b1  
    D
    E
    0.304  
    10.92  
    9.75  
    7.95  
    0.313  
    e
    2.54  
    7.62  
    7.62  
    0.100  
    0.300  
    0.300  
    e3  
    e4  
    F
    6.6  
    0.260  
    0.200  
    0.150  
    0.060  
    I
    5.08  
    3.81  
    1.52  
    L
    3.18  
    0.125  
    Z
    10/11  
    TDA2822M  
    Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility  
    for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result  
    from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics.  
    Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all  
    information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life  
    support devices or systems without express written approval of SGS-THOMSON Microelectronics.  
    1994 SGS-THOMSON Microelectronics - All Rights Reserved  
    SGS-THOMSON Microelectronics GROUP OF COMPANIES  
    Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singa-  
    pore - Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.  
    11/11  
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