NTE7119 Integrated Circuit 22W BTL (2 x 11W) Stereo Power Amplifier Description: The NTE7119 integrated circuit is a class–B dual output amplifier in a 9–Lead SIP type package designed primarily for use in car radio applications. This device contains two identical amplifiers with differential input stages. The gain of each amplifier is fixed at 40dB. Features: D Stereo or BTL Application D Few External Components for BTL D High Output Power D Low Offset Voltage at Output D Fixed Gain D Good Ripple Rejection D Mute/Stand–by Switch D D D D D D D Load Dump Protection Thermally Protected Reverse Polarity Safe Ability to Handle High Energy on Outputs No Switch–ON/OFF Pop Low Thermal Resistance Short Circuit Protected Absolute Maximum Ratings: Supply Voltage, VP Operatring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 Outputs (VP = 0V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mJ Non–Repetitive Peak Output Current, IOSM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Repetitive Peak Output Current, IORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Total Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W Crystal Temperature, TC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C DC Characteristics: (VP = 14.4V, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 6.0 14.4 18.0 V – 40 80 mA – 6.95 – V |∆V4–6| – – 250 mV Switch–ON Voltage Level VON 8.5 – – V Mute Condition Vmute 3.3 – 6.4 V – – 20 mV |∆V4–6| – – 250 mV Stand–by Condition Vsb 0 – 2 V DC Current in Stand–by Condition Isb – – 100 µA Switch–ON Current Isw – 12 40 µA Supply Supply Voltage Range VP Total Quiescent Current Itot DC Output Voltage VO DC Output Offset Voltage Note 1 Note 2 Mute/Stand–by Switch Output Signal in Mute Position DC Output Offset Voltage VO VI = 1V (max), f = 20Hz to 15kHz Note 1. The circuit is DC adjusted at VP = 6V to 18V and AC operating at VP = 8.5V to 18V. Note 2. At 18V < VP < 30V the DC output voltage ≤ VP/2. AC Characteristics: (VP = 14.4V, RL = 4Ω, f = 1kHz, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit THD = 0.5%, Note 3 4 5 – W THD = 10%, Note 3 5.5 6.0 – W THD = 0.5%, RL = 2Ω, Note 3 7.5 8.5 – W THD = 10%, RL = 2Ω, Note 3 10 11 – W PO = 1W – 0.1 – % Stereo Application Output Power PO Total Harmonic Distortion THD Low Frequency Roll–Off fL –3dB, Note 4 – 45 – Hz High Frequency Roll–Off fH –1dB, Note 4 20 – – kHz Closed Loop Voltage Gain GV 39 40 41 dB Supply Voltage Ripple Rejection ON RR 40 45 45 80 – – – – – – – – dB dB dB dB 50 60 75 kΩ RS = 0Ω, Note 8 RS = 10kΩ, Note 8 Note 9 – – – 150 250 120 – 500 – µV µV µV RS = 10kΩ 40 – – dB – 0.1 1 dB Note 5, Note 6 Note 5, Note 7 Note 5, Note 6, Note 7 Note 5, Note 6, Note 7 Mute Standby Input Impedance Noise Output Voltage (RMS Value) ON |Zi| Vno(rms) Mute Channel Separation α Channel Unbalance |∆GV| Note 3. Output power is measured directly at the output pins of the IC. Note 4. Frequency response externally fixed. Note 5. Ripple rejection measured at the output with a source impedance of 0Ω (maximum ripple amplitude of 2V) Note 6. Frequency f = 100Hz. Note 7. Frequency between 1kHz and 10kHz. Note 8. Noise voltage measured in a bandwidth of 20Hz to 20kHz. Note 9. Noise output voltage independent of RS (VI = 0V). AC Characteristics: (VP = 14.4V, RL = 4Ω, f = 1kHz, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit THD = 0.5%, Note 3 15 17 – W THD = 10%, Note 3 20 22 – W THD = 0.5%, VP = 13.2V, Note 3 – 13 – W THD = 10%, VP = 13.2V, Note 3 – 17.5 – W PO = 1W – 0.1 – % BTL Application Output Power Total Harmonic Distortion Power Bandwidth PO THD BW THD = 0.5%, PO = –1dB, w.r.t 15W 35 to 15,000 Hz Low Frequency Roll–Off fL –1dB, Note 4 – 45 – Hz High Frequency Roll–Off fH –1dB, Note 4 20 – – kHz Closed Loop Voltage Gain GV 45 46 47 dB Supply Voltage Ripple Rejection ON RR 34 48 48 80 – – – – – – – – dB dB dB dB 25 30 38 kΩ – – – 200 350 180 – 700 – µV µV µV Note 5, Note 6 Note 5, Note 7 Note 5, Note 6, Note 7 Note 5, Note 6, Note 7 Mute Standby Input Impedance Noise Output Voltage (RMS Value) ON Mute |Zi| Vno(rms) RS = 0Ω, Note 8 RS = 10kΩ, Note 8 Note 9 Note 3. Output power is measured directly at the output pins of the IC. Note 4. Frequency response externally fixed. Note 5. Ripple rejection measured at the output with a source impedance of 0Ω (maximum ripple amplitude of 2V) Note 6. Frequency f = 100Hz. Note 7. Frequency between 1kHz and 10kHz. Note 8. Noise voltage measured in a bandwidth of 20Hz to 20kHz. Note 9. Noise output voltage independent of RS (VI = 0V). Pin Connection Diagram (Front View) 1 Non–Invert Input 2 GND (Signal) 3 RR 4 Output 1 5 GND (Substrate) 6 Output 2 7 VP 8 Mute/Stand–by Switch 9 Invert Input .961 (24.4) .780 (19.8) .185 (4.7) .489 (12.4) 9 1 .079 (2.0) .674 (17.0) .079 (2.0) .100 (2.54)