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NJM2792 Dataheets PDF



Part Number NJM2792
Manufacturers JRC
Logo JRC
Description Audio Amplifier / SSOP20
Datasheet NJM2792 DatasheetNJM2792 Datasheet (PDF)

NJM2792 www.DataSheet4U.com Quad Boost Amplifier s GENERAL DESCRIPTION The NJM2792 is a quad boost amplifier designed for car audio system. It expands the frequency characteristics by high slew rate. It can swing 14V peak-to-peak output voltage at 9V. It consists of four channel non-inverting amplifier with the gain of 8dB. It is suitable for car audio system and other boost amplifier system. s PACKAGE OUTLINE NJM2792V s FEATURES q Operating Voltage q Operating Current q Boost output Function.

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NJM2792 www.DataSheet4U.com Quad Boost Amplifier s GENERAL DESCRIPTION The NJM2792 is a quad boost amplifier designed for car audio system. It expands the frequency characteristics by high slew rate. It can swing 14V peak-to-peak output voltage at 9V. It consists of four channel non-inverting amplifier with the gain of 8dB. It is suitable for car audio system and other boost amplifier system. s PACKAGE OUTLINE NJM2792V s FEATURES q Operating Voltage q Operating Current q Boost output Function q Maximum Output Voltage q Supply Voltage Rejection Ratio q Total Harmonic Distortion q Noise Output Voltage q Bipolar Technology q Package Outline (6 to 11V) (12mA typ. ) + (VO=14Vpp:@V =9V) (4.5Vrms typ., @ f=100kHz ) (50dB typ. ) (0.003% typ. ) (5µVrms typ. ) SSOP20 s BLOCK DIAGRAM LIFT AMP CLS SIGNAL AMP LF-IN SIGNAL AMP LR-IN LR-OUT LF-OUT RF-IN SIGNAL AMP RF-OUT RR-IN SIGNAL AMP RR-OUT LIFT AMP CLS –1– NJM2792 www.DataSheet4U.com sPIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 L-GND L-CONT FL-OUT FL-FB FL-IN REF FR-IN FR-FB FR-OUT R-COUT L-CIN RL-OUT RL-FB RL-IN V+ RR-IN RR-FB RR-OUT R-CIN R-GND 20 19 18 17 16 15 14 13 12 11 No. 1 2 3 4 5 6 7 8 9 10 Symbol L-GND L-COUT FL-OUT FL-FB FL-IN REF FR-IN FR-FB FR-OUT R-COUT Function Ground for Left Channel Capacitor for - Level Shift Left Channel Output for Front Left Channel - Input for Front Left Channel + Input for Front Left Channel Reference Voltage + Input for Front Right Channel - Input for Front Right Channel Output for Front Right Channel Capacitor for - Level Shift Right Channel No 11 12 13 14 15 16 17 18 19 20 Symbol R-GND R-CIN RR-OUT RR-FB RR-IN V+ RL-IN RL-FB RL-OUT L-CIN Function Ground for Right Channel Capacitor for + Level Shift Right Channel Output for Rear Right Channel - Input for Rear Right Channel + Input for Rear Right Channel Power Supply + Input for Rear Left Channel - Input for Rear Left Channel Output for Rear Left Channel Capacitor for + Level Shift Left Channel –2– NJM2792 www.DataSheet4U.com s ABSOLUTE MAXIMUM RANGES PARAMETER Supply Voltage Power Dissipation Operating Temperature Storage Temperature V + (Ta=25°C) RANGE +15 550 NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting SYMBOL PD Topr Tstg + UNIT V mW °C °C -40 to +85 -40 to +125 s ELECTRICAL CHARACTERRISTIC (V =9V,Ta=25°C) PARAMETER DC CHARACTERRISTIC Operating Voltage Operating Current Output Voltage Voltage Gain Channel Separation 1 Channel Separation 2 Channel Balance Roll-off Low Frequency Roll-off High Frequency Input Resistance Output Resistance Maximum Output Voltage 1 Maximum Output Voltage 2 Noise Output Voltage Total Harmonic Distortion Supply Voltage Rejection Ratio V + SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT 6.0 No Signal 7.5 RS=600Ω , VO=1Vrms, f = 1kHz, Front channel vs. Rear channel L channel vs. R channel 9.0 12.0 7.8 8.0 80 100 5 60 2 5.2 4.5 5 0.003 0.01 50 11.0 18.0 8.5 0.5 76 10 0.01 - V mA V dB dB dB dB Hz kHz kΩ Ω Vrms Vrms µVrms % % dB dB ICC VODC AC CHARACTERRISTIC (f=1kHz , Vo=1Vrms, RL=10kΩ) Av CS1 CS2 BAL fRL fRH RIN ROUT VOM1 VOM2 VNO THD1 THD2 SVR1 SVR2 70 - RS=600Ω , VO=1Vrms, f = 1kHz, -1dB -1dB 100 44 - THD=0.1%, f = 1kHz THD=1%, f = 100kHz Rs=0Ω , A-Weighting f=1kHz , VO=3Vrms, A-Weighting f=17Hz to 20kHz , VO=3Vrms, A-Weighting Rs=0Ω, f=1kHz , VRP=100mVrms Rs=0Ω, f=20Hz to 20kHz , VRP=100mVrms 5.0 55 - –3– NJM2792 www.DataSheet4U.com ! TERMINAL DESCRIPTION PIN NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT TERMINAL DC VOLTAGE 2 10 L-COUT R-COUT Capacitor for - Level Shift Left Channel Capacitor for - Level Shift Right Channel 12kΩ 2PIN, 10PIN (V+-1.4)x0.09 [V] 12 20 3 9 13 19 R-CIN L-CIN FL-OUT FR-OUT RR-OUT RL-OUT Capacitor for + Level Shift Right Channel Capacitor for + Level Shift Left Channel Output for Front Left Channel Output for Front Right Channel Output for Rear Right Channel Output for Rear Left Channel 12PIN, 20PIN 3PIN, 9PIN, 13PIN, 19PIN 8.5kΩ 8.5kΩ V -0.7 [V] (12,20PIN) + V -1.4 [V] (3,9,13,19PIN) + 4 8 14 18 5 7 15 17 FL-FB FR-FB RR-FB RL-FB FL-IN FR-IN RR-IN RL-IN - Input for Front Left Channel - Input for Front Right Channel - Input for Rear Right Channel - Input for Rear Left Channel + Input for Front Left Channel + Input for Front Right Channel + Input for Rear Right Channel + Input for Rear Left Channel 5PIN, 7PIN, 15PIN, 17PIN 300Ω 300Ω 2kΩ 2kΩ 4PIN, 8PIN, 14PIN, 18PIN (V+-1.4)x0.4 [V] 60kΩ –4– NJM2792 www.DataSheet4U.com ! TERMINAL DESCRIPTION PIN NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT TERMINAL DC VOLTAGE 300Ω 44kΩ 24kΩ 46kΩ 44kΩ 24kΩ 46kΩ 6PIN 6 REF Reference Voltage (V+-1.4)x0.6 [V] 300Ω –5– NJM2792 www.DataSheet4U.com s APPLICATION CIRCUIT CLS 220µF Lift Amp 2 22 µF + 1 L-GND L-CIN + 20 L-COUT FL-OUT 36kΩ 24kΩ RL-OUT RL-FB Signal Amp 19 33kΩ 18 22kΩ RL-IN 17 + + 1.5nF 22 µF RL=10kΩ 3 RL=10kΩ 22kΩ + 33kΩ FL-FB 4 Signal Amp 5 FL-IN 60kΩ 60kΩ 10µF Front-Left Rear-Left 10µF 44kΩ 24kΩ 46kΩ REF 6 47µF + V+ 16 .


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