NTE7114 Integrated Circuit Audio Power Amplifier, Quad 11W (2 x 22W) Description: The NTE7114 is an integrated class−B output amplifier in a 17−Lead Staggered SIP type package designed for use in car radio applications. The circuit contains 4 x 11W single−ended or 2 x 22W bridge amplifiers. Features: D Few External Components D Flexible in Use: Quad Single−Ended or Stereo BTL D High Output Power D Low Offset Voltage at Outputs (Important for BTL) D Fixed Gain D Good Ripple Rejection D Mute/Stand−by Switch D AC & DC Short−Circuit−Safe to GND and VP D Load Dump Protection D Thermally Protected D Protected Against Electrostatic Discharge D Low Thermal Resistance D Capable of Handling High Energy on Output (VP = 0V) D Identical Inputs (Inverting & Non−Inverting) Absolute Maximum Ratings: Supply Voltage, VP Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Non−Operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30V Load Dump Protected (During 50ms, tr ≤ 2.5ms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V Peak Output Current, IOM Repetitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Non−Repetitive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Total Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60W AC & DC Short−Circuit−Safe Voltage, VPSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Energy Handling Capability at Outputs (VP = 0V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mJ Reverse Polarity, VPR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C DC Characteristics: (VP = 14.4V, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 8.0 14.4 18.0 V − 80 180 mA − 8.9 − V |∆VO| − − 100 nV Switch−ON Voltage Level VON 8.5 − − V Mute Condition Vmute 3.3 − 6.4 V − − 2 mV |∆VO| − − 100 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 VO DC Output Offset Voltage (Between Pins 6 to 8 & 10 to 12) VI = 1V (max), f = 1kHz 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% 15 17 − W THD = 0.5%, VP = 13.2V − 12 − W THD = 10% 20 22 − W THD = 10%, VP = 13.2V − 17 − W − 0.1 − % Stereo BTL Application Output Power PO Total Harmonic Distortion THD PO = 1W Power Bandwidth BW THD = 0.5%, PO = −1dB, w.r.t = 15W 20 to 15000 Hz Low Frequency Roll−Off fL −1dB, Note 3 − 45 − Hz High Frequency Roll−Off fH −1dB, Note 3 20 − − kHz Closed Loop Voltage Gain GV 25 26 27 dB Supply Voltage Ripple Rejection ON RR 48 − − dB Mute 48 − − dB Stand−by 80 − − dB 25 30 38 kΩ Input Impedence |Zi| Note 4 Note 3. Frequency response externally fixed. Note 4. Ripple Rejection measured at the output with source impedence of 0Ω (maximum ripple amplitude of 2V) and a frequency between 100Hz and 20kHz. AC Characteristics (Cont’d): (VP = 14.4V, RL = 4Ω, f = 1kHz, TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit RS = 0Ω, Note 5 − 70 − µV RS = 10kΩ, Note 5 − 100 200 µV Note5 & Note 6 − 60 − µV RS = 10Ω, Note 5 − 70 − dB − − 1 dB THD = 0.5%, Note 7 4.0 5.0 − W THD = 0.5%, RL = 2Ω, Note 7 7.5 8.5 − W THD = 10%, Note 7 5.5 6.0 − W THD = 10%, RL = 2Ω, Note 7 10.0 11.0 − W PO = 1W − 0.1 − % Stereo BTL Application (Cont’d) Noise Output Voltage (rms) ON VNO(rms) Mute Channel Separation α Channel Unbalance |∆GV| Quad Single−Ended Application Power Output PO Total Harmonic Distortion THD Low Frequency Roll−Off fL −3dB, Note 3 − 45 − Hz High Frequency Roll−Off fH −1dB, Note 3 20 − − kHz Closed Loop Voltage Gain GV 19 20 21 kHz Supply Voltage Ripple Rejection ON RR 48 − − dB Mute 48 − − dB Stand−by 80 − − dB 50 60 75 kΩ RS = 0Ω, Note 5 − 50 − µV RS = 10kΩ, Note 5 − 70 100 µV Note5 & Note 6 − 50 − µV RS = 10Ω, Note 5 − 70 − dB − − 1 dB Input Impedence Noise Output Voltage (rms) ON Note 4 |Zi| VNO(rms) Mute Channel Separation α Channel Unbalance |∆GV| Note 3. Frequency response externally fixed. Note 4. Ripple Rejection measured at the output with source impedence of 0Ω (maximum ripple amplitude of 2V) and a frequency between 100Hz and 20kHz. Note 5. Noise voltage measured in a bandwidth of 20Hz to 20kHz. Note 6. Noise output voltage independent of RS (VI = 0V). Note 7. Output power is measured directly at the output pins on the IC. Pin Connection Diagram (Front View) 17 (+) Input 2 16 (−) Input 2 15 N.C. 14 Mute/Standby 13 (+) VS 2 12 Output 4 11 GND 2 10 Output 3 9 N.C. 8 Output 2 7 GND 1 6 Output 1 5 (+) VS 1 4 Ripple Rejection 3 Signal GND 2 (−) Input 1 1 (+) Input 1 .961 (24.4) Max .787 (20.0) Max .185 (4.7) Max .134 (3.4) 1 .488 (12.4) .669 (17.0) Max 17 .433 (11.0) Min .169 (4.3) .050 (1.27) .087 (2.2) .030 (0.75) .200 (5.08)