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NTE1802 Integrated Circuit Power Amplifier for Car Stereo Radio, 12W/Ch or 24W BTL
Description: The NTE1802 is an integrated class-B output amplifier in a 13-Lead SIP type package. This device contains two identical amplifiers with different input stages which can be used for stereo or bridge applications. The gain of each amplifier is fixed at 20dB. A special feature of the NTE1802 is the mute/ stand-by switch. Features: D Requires Few External Components D High Output Power (With Bootstrap) D Low Offset Voltage at Output D Fixed Gain D Good Ripple Rejection D Mute/Stand-By Switch D Load Dump Protection D AC and DC Short-Circuit Safe
D D D D D D D
Thermally Protected Reverse Polarity Safe Capability to handle High Energy on Outputs No Switch-On/Switch-Off Pop Flexible Leads Low Thermal Resistance Identical Inputs (Inverting and Non-Inverting)
Absolute Maximum Ratings: Supply Voltage, VP Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Non-Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Load Dump Protected (During 50ms, tr > 2.5ms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V AC and DC Short-Circuit Safe Voltage, VPSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Reverse Polarity, VPR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Energy Handling Capability at Output (VP = 0V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mJ Non-Repetitive Peak Output Current, IOSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Repetitive Peak Output Current, IORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Total Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W Crystal Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C
DC Characteristics: (VP = 14.4V, TA = +25C unless otherwise specified)
Parameter Supply Supply Voltage Quiescent Current DC Output Voltage DC Output Offset Voltage Mute/Stand-by Switch Switch-On Voltage Level Mute Condition Output Signal in Mute Position DC Output Offset Voltage Stand-By Condition DC Current in Stand-By Condition Swithc-On Current VON Vmute VO |V5-9| Vsb Isb Isw VI = 1V Max, f = 20Hz to 18kHz 8.5 3.0 - - 0 - - - - * - - - 12 - 6.4 2 100 2 100 40 V V mV mV V A A VP IP VO |V5-9| at approximately VP/2, Note 2 Note 1 6.0 - - - 14.4 40 6.8 - 18.0 80 - 100 V mA V mV Symbol Test Conditions Min Typ Max Unit
* Value to be fixed. Note 1. The circuit is DC adjusted at VP = 6V to 18V and AC operating at VP n= 8.5V to 18V. Note 2. At 18V < VP < 30V the DC output voltage VP/2. AC Characteristics: (VP = 14.4V, RL = 4, f = 1kHz, TA = +25C unless otherwise specified)
Parameter Stereo Applications Output Power (Note 3) PO THD = 0.5% THD = 10% THD = 10%, Note 4 RL = 2, THD = 0.5% RL = 2, THD = 10% RL = 2, THD = 10%, Note 4 Low Frequency Roll-Off High Frequency Roll-Off Closed Loop Voltage Gain Supply Voltage Ripple Rejection ON Mute Stand-By fL fH GV RR Note 6 48 48 80 - - - - - - dB dB dB -3dB, Note 5 -1dB 4.0 5.5 6.0 7.5 10.0 10.5 - 20 19 5.0 6.0 7.0 8.5 11.0 12.0 45 - 20 - - - - - - - - 21 W W W W W W Hz kHz dB Symbol Test Conditions Min Typ Max Unit
Note 3. Output power is measured directly at the output pins of the IC. Note 4. With bootstrap and a 100k resistor from Pin12 to the positive supply voltage (VP), value of the bootstrap capacitor is 47F. Note 5. Frequency response externally fixed. Note 6. Ripple rejection measured at the output with a source impedance of 0 (maximum ripple amplitude of 2V) and a frequency between 1kHz and 10kHz.
AC Characteristics (Cont'd): (VP = 14.4V, RL = 4, f = 1kHz, TA = +25C unless otherwise specified)
Parameter Stereo Applications (Cont'd) Input Impedance Noise Output Voltage ON Mute Channel Separation Channel Balance BTL Application Output Power PO THD = 0.5% THD = 10% THD = 10%, Note 4 VP = 13.2V, THD = 0.5% RL = 2, THD = 10% RL = 2, THD = 10%, Note 4 Power Bandwidth Low Frequency Roll-Off High Frequency Roll-Off Closed Loop Voltage Gain Supply Voltage Ripple Rejection ON Mute Stand-By Input Impedance Noise Output Voltage ON Mute |ZI| Vno(rms) RS = 0, Note 7 RS = 10k, Note 7 Note 8 BW fL fH GV RR Note 6 48 48 80 25 - - - - - - 30 70 100 60 - - - 38 - 200 - dB dB dB k V V V THD = 0.5%, PO = 15W -3dB, Note 5 -1dB - 20 25 15.5 20.0 21.0 - - - 17.0 22.0 24.0 13.5 17.0 19.0 20 to 15000 25 - 26 - - 27 - - - - - - W W W W W W Hz Hz kHz dB GV |ZI| Vno(rms) RS = 0, Note 7 RS = 10k, Note 7 Note 8 RS = 10k 50 - - - 40 - 60 50 70 60 - - 75 - 100 - - 1 k V V V dB dB Symbol Test Conditions Min Typ Max Unit
Note 4. With bootstrap and a 100k resistor from Pin12 to the positive supply voltage (VP), value of the bootstrap capacitor is 47F. Note 7. Noise voltage measured in a bandwidth of 20Hz to 20kHz. Note 8. Noise output voltage independent of RS (VI = 0V).
Pin Connection Diagram (Front View) 13 Non-Invert Input 2 12 Supply Vltg Ripple Rejection 11 Mute/Stand-by Switch 10 VP 9 8 7 6 5 3 2 1 Output 2 Bootstrap 2 GND (Substrate) Bootstrap 2
Output 1 4 Vref GND (Signal) Invert Input Non-Invert Input 1
.961 (24.4)
.185 (4.7)
.128 (3.28) 1 13
.488 (12.4) .669 (17.0)
.630 (16.0)
.067 (1.7)
.200 (5.08)
.170 (4.32)

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