PJ2822M Dual Low-Voltage Power Amplifier T he PJ2822M is a monolithic integrated circuit in 8 lead Minidip package.It is intended for use as dual audio DIP-8 SOP-8 power amplifier in portable cassette player and radios. FEATURES z Supply Voltage Down to 1.8V z Low Crossover Distorsion z Low Quiescent Current z Bridge or Stereo Configuration ORDERING INFORMATION Device Operating Temperature PJ2822MCD PJ2822MCS Pin : 1.Compensation 2.Voltage Feedbacl 3.Current Sense 4.RT/CT Package DIP-8 -20℃ ~ +85℃ 5.Gnd 6.Output 7.Vcc 8.Vref SOP-8 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Unite Supply Voltage Peak Output Current Total Power Dissipation at Tamb = 50℃ Tcase = 50℃ Storage and Junction Temperature Vs Io Ptot Tstg,Tj 16 1 1 1.4 -40 ~ +150 V A W W ℃ Symbol Value Unite Rthj-amb Rthj-case 100 70 ℃/W ℃/W THERMAL DATA Parameter Thermal Resistance Junction-ambient Thermal Resistance Junction-pin(4) Max. Max. SCHEMATIC DIAGRAM 1-8 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier ELECTRICAL CHARACTERISTICS (Vs=6V,Tamb=25℃, unless otherwise specified) Symbol Test Conditions Min. Typ. Max. Unit 15 V V V mA Paramete STEREO(test circuit of Figure 1) Suppy Voltage Quiescent Ouput Voltage Vs Vo Quiescent Drain Current Id Input Bias Current Outut Power (each channel) (f =1KHz, d =10%) Ib Po 1.8 2.7 1.2 6 Vs = 3V 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 Po = 40mW Po = 75mW Po = 150mW RL = 16Ω RL = 8Ω RL = 4Ω Distortion (f =1KHz) Close Loop Voltage Gain d Gv Channel Balance △Gv Input Resistance Total Input Noise Ri θN Supply Voltage Rejection SVR Channel Separation Cs RL = 32Ω RL = 16Ω RL = 8Ω F =1KHz 90 15 170 300 450 36 100 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 9 nA mW 41 ±1 F =1KHz Rs = 10KΩ 100 B = Curve A B =22Hz to 22KHz F =100Hz, C1 = C2 = 100μF 24 F =1KHz % % % dB dB 2 2.5 30 KΩ μV μV dB 50 dB BRIDGE(test circuit of Figure 2) Supply Voltage Vs Quiescent Drain Current Output Offset Voltage (between the outputs) Input Bias Current Output Bias Current Id Vos RL = ∞ RL = 8Ω Ib Po RL = 32Ω Output Power (f=1KHz,d=10%) d 1.8 6 Vs = 9V Vs = 6V Vs = 4.5V Vs = 3V Vs = 2V Vs = 9V RL = 16Ω Vs = 6V Vs = 3V RL = 8Ω Vs = 6V Vs = 4.5V Vs = 3V RL = 4Ω Vs = 4.5V Vs = 3V Vs = 2V Po =0.5W, RL = 8Ω, f =1KHz 320 50 900 200 V 9 +/-50 mA mV 100 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 nA mW 39 dB KΩ μV μV dB KHz Closed Loop Voltage Gain Gv F =1KHz Input Resistance Total Input Noise Ri eN F =1KHz Rs =10KΩ Supply Voltage Rejection SVR F =100Hz 2.5 3 40 Power Bandwidth (-3dB) B RL = 8Ω, Po =1W 120 2-8 15 % 100 B =Curve A B = 22Hz to 22KHz 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier Figure 1. TEST CIRCUIT (Stereo) Figure 2. TEST CIRCUIT (Bridge) Figure 3. TYPICAL APPLICATION IN PORTABLE PLAYERS Figure 4. LOW COST APPLICATION IN PORTABLE PLAYERS (using only one 100μF output capacitor) 3-8 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier Figure 5. PORTABLE RADIO CASSETTE PLAYERS Type TDA7220 TDA7211A TEA1330 TDA7282 PJ2822M Supply Voltage 1.5V to 6V 1.2V to 6V 3V to 6V 1.5V to 6V 1.8V to 6V Figure 6. PORTABLE STEREO RADIO Type TDA7220 TDA7211A TEA1330 PJ2822M Supply Voltage 1.5V to 6V 1.2V to 6V 3V to 6V 1.8V to 6V 4-8 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier Figure 7. APPLICATION IN PORTABLE RADIO RECEIVERS Figure 8. 3V STEREO CASSETTE PLAYER WITH MOTOR SPEED CONTROL 5-8 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier Figure 9.Quiescent Current versus Supply Voltage Figure 10.Supply Voltage Rejection versus Frequency Figure 11.Output Power versus Supply Voltage (THD=10%,f=1KHz Stereo) Figure 12.Distorsion versus Output Power (Stereo) Figure 13.Distorsion versus Output Power (Stereo) Figure 14.Output Power versus Supply Voltage (Bridge) 6-8 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier Figure 15.Distorsion versus Output Power (Bridge) Figure 16.Total Power Dissipation versus Output Power (Bridge) Figure 17.Total Power Dissipation versus Output Power(Bridge) Figure 18.Total Power Dissipation versus Output Power(Bridge) Figure 19.Total Power Dissipation versus Output Power(Bridge) 7-8 2002/01.ver.A PJ2822M Dual Low-Voltage Power Amplifier DIM A B C D G J K L M DIM A B C D F G K M P R 8-8 MILLIMETERS MIN MAX 9.07 9.32 6.22 6.48 3.18 4.43 0.35 0.55 2.54BSC 0.29 0.31 3.25 3.35 7.75 8.00 10° INCHES MIN MAX 0.357 0.367 0.245 0.255 0.125 0.135 0.019 0.020 0.10BSC 0.011 0.012 0.128 0.132 0.305 0.315 10° MILLIMETERS MIN MAX 4.80 5.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27BSC 0.10 0.25 0° 7° 5.80 6.20 0.25 0.50 INCHES MIN MAX 0.189 0.196 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.05BSC 0.004 0.009 0° 7° 0.229 0.244 0.010 0.019 2002/01.ver.A