TECHNICAL DATA Dual Low - Voltage Power Amplifier KL2822M DESCRIPTION The KL2822M is a monolithic integrated circuit in 8 lead mini DIP package. It is intended for use as dual audio power amplifier in portable cassette players and radios. Mini DIP ORDERING INFORMATION KL2822MN Plastic TA = 0 to 70 C FEATURES Supply Voltage Down To 1.8 V Low Crossover Distortion Low Quiescent Current Bridge or Stereo Configuration PIN CONNECTION (Top view) 2014 April, Rev. 01 KL2822M SCHEMATIC DIAGRAM +Vs 2 D9 D3 Q22 I REE Q6 Q23 Q1 Q21 Q5 Io CONTROL D8 D4 +Vs +Vs R1 С1 Q4 OUT R5 Q9 Q15 Q10 1 Q11 D1 Q16 С2 Q20 OUT 3 Q14 R2 D10 R4 R3 D2 D11 Q19 Q3 Q2 Q24 Q7 Q18 Q12 Q13 Q8 D5 Q17 D6 D7 GND 4 8 - INPUT 7 + 6 + INPUT 5 - ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Vs Supply Voltage 15 V Io Peak Output Current 1 A Ptot Total Power Dissipation at Tamb = 50ºC at Tcase = 50ºC 1 1.4 W W -40, +150 ºC Tstg, Tj Storage and Junction Temperature 2014 April, Rev. 01 KL2822M Electrical Characteristics Symbol (Cs =6V, Tamb = 25 ºC, unless otherwise specified) Test Conditions STEREO (test circuit of Figure 1) Vs Supply Voltage Vo Quiescent Output Voltage Id Ib Po Quiescent Drain Current Input Bias Current Output Power (each channel) (f = 1kHz, d = 10%) Typ 1.8 Vs = 3V RL = 32Ω RL = 16Ω RL = 8Ω RL = 4Ω d Distortion (f = 1kHz) RL = 32Ω RL = 16Ω RL = 8Ω Gv ∆Gv Ri eN Closed Loop Voltage Gain Channel Balance Input Resistance Total Input Noise f = 1kHz SVR Supply Voltage Rejection Cs Channel Separation BRIDGE (test circuit of Figure 2) Vs Supply Voltage Id Quiescent Drain Current Vos Output Offset Voltage (between the outputs) Ib Input Bias Current Po Output Power (f = 1kHz, d = 10%) Min f = 1kHz RS = 10kΩ 2.7 1.2 6 100 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 90 15 170 300 450 36 Max Unit 15 V V V mA nA mW 9 300 120 60 20 5 220 1000 380 650 320 110 0.2 0.2 0.2 39 41 ±1 100 B = Curve A B = 22Hz to 22kHz f = 100Hz, C1 = C2 = 100F f = 1kHz 24 2 2.5 30 50 1.8 RL = RL = 8Ω 6 100 RL = 32Ω d Distortion (f = 1kHz) Vs = 9V Vs = 6V Vs = 4.5V Vs = 3V Vs = 2V RL = 16Ω Vs = 9V Vs = 6V Vs = 3V RL = 8Ω Vs = 6V Vs = 4.5V Vs = 3V RL = 4Ω Vs = 4.5V Vs = 3V Vs = 2V RL = 8Ω, Po = 0.5W, f = 1kHz Gv Ri eN Closed Loop Voltage Gain Input Resistance Total Input Noise f = 1kHz f = 1kHz RS = 10kΩ SVR Supply Voltage Rejection f = 100Hz B Power Bandwidth (-3dB) RL = 8Ω, Po = 1W 320 50 900 200 1000 400 200 65 8 2000 800 120 1350 700 220 1000 350 80 0.2 V mA mV nA mW % 39 dB kΩ 2.5 3 40 V V dB 120 kHz 100 B = Curve A B = 22Hz to 22kHz 15 9 ±50 % % % dB dB kΩ V V dB dB 2014 April, Rev. 01 KL2822M Figure 1 : Test Circuit (Stereo) +Vs C3 10F 2 C4 470F 7 IN (L) + 8 R1 10 1 C6 0.1F - C1 100F RL R3 4.7 C5 470F 6 IN (R) + 5 R2 10 3 C7 0.1F R4 4.7 C2 100F RL 4 Figure 2 : Test Circuit (Bridge) +Vs C3 10F 2 7 IN + R1 10 1 - R2 4.7 8 C1 10 F 6 + C4 0.1F RL 3 - R3 4.7 5 C2 10nF C5 0.1F 4 2014 April, Rev. 01 KL2822M Figure 3 : Quiescent Current versus Supply Voltage Figure 4 : Supply Voltage Rejection versus Frequency dB Id mA 50 8 40 6 30 4 20 2 10 0 4 8 12 16 BRIDGE STEREO 2 Vs V 10 10 Figure 5 : Output Power versus Supply Voltage (THD = 10%, f = 1kHz Stereo) Po W Vs = 6V RL = 8 VR = 0.5VRMS 3 10 4 10 5 f Hz Figure 6 : Distorsion versus Output Power (Stereo) d % RL = 8 f = 1kHz RL = 8 0.5 1.0 6V 9V 0.4 0.8 RL = 4 0.3 0.6 0.2 0.4 0.1 0.2 0 2 4 6 8 0 Vs V Figure 7 : Distorsion versus Output Power (Stereo) 200 600 400 Po mW Figure 8 : Output Power versus Supply Voltage (Bridge) Po W d % 5 f = 1kHz Vs = 6V RL = 4 4 4 3 d = 10% RL = 8 3 2 2 1 1 0 0.2 0.4 0.6 Po W 2 4 6 8 10 Vs V 2014 April, Rev. 01 KL2822M Figure 9 : Distorsion versus Output Power (Bridge) d % Figure 10 : Total Power Dissipation versus Output Power (Bridge) P tot W Vs = 6 V RL = 8 f = 1kHz 2.5 1.0 2.0 0.8 1.5 0.6 1.0 0.4 0.5 0.2 0 0.2 0.4 0.6 0.8 1.0 Po W Figure 11 : Total Power Dissipation versus Output Power (Bridge) P tot W RL = 32 f = 1kHz Vs = 9V 0 0.5 1.0 1.5 2.0 Po W Figure 12 : Total Power Dissipation versus Output Power (Bridge) P tot W Vs = 9V 1.0 1.0 0.8 0.8 RL = 16 f = 1kHz 0.6 RL = 8 f = 1kHz 0.6 Vs = 6V 0.4 Vs = 6V Vs = 4.5V 0.4 0.2 0.2 0 0.5 1.0 1.5 Po W 2.0 0 0.4 0.8 1.2 1.6 Po W Figure 13 : Total Power Dissipation versus Output Power (Bridge) Ptot W Vs = 4.5V 1.0 0.8 RL = 4 f = 1kHz 0.6 Vs = 3V 0.4 0.2 0 0.2 0.4 0.6 0.8 1.0 Po W 2014 April, Rev. 01 KL2822M Figure 14 : Typical Application in Portable Players +3V 10F 2 7 IN (L) 100F + 8 1 0.1F - 10 4.7 100F 32/16W HEADPHONE 6 IN (R) + 5 3 100F 0.1 F - 10 4.7 100F 4 Figure 15 : Application in Portable Radio Receivers 2014 April, Rev. 01 KL2822M Figure 16 : Portable Radio Cassette Players Type TDA7220 TDA7211A TEA1330 TDA7282 KL2822M Supply Voltage 1.5 V to 6 V 1.2 V to 6 V 3 V to 15 V 1.5 V to 6 V 1.8 V to 15 V Type TDA7220 TDA7211A TEA1330 KL2822M Supply Voltage 1.5 V to 6 V 1.2 V to 6 V 3 V to 15 V 1.8 V to 15 V Figure 17 : Portable Stereo Radios Figure 18 : Low Cost Application in Portable Players (using only one 100mF output capacitor) +Vs 10F 2 7 IN (L) + 8 1 0.1F - 10 4.7 32/16W 100F 100F 6 IN (R) + 5 3 0.1F - 10 4.7 100F 4 2014 April, Rev. 01 KL2822M Figure 19 : 3V Stereo Cassette Player with Motor Speed Control 2014 April, Rev. 01 KL2822M PACKAGE DIMENSION N SUFFIX PLASTIC DIP (MS – 001BA) A Dimension, mm 5 8 B 1 4 F Symbol MIN MAX A 8.51 10.16 B 6.1 7.11 C L C 5.33 D 0.36 0.56 F 1.14 1.78 -T- SEATING PLANE N G M K 0.25 (0.010) M J H D T NOTES: 1. Dimensions “A”, “B” do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side. G 2.54 H 7.62 J 0° 10° K 2.92 3.81 L 7.62 8.26 M 0.2 0.36 N 0.38 D SUFFIX SOIC (MS - 012AA) Dimension, mm A 8 5 B H 1 G P 4 D K MIN MAX A 4.8 5 B 3.8 4 C 1.35 1.75 D 0.33 0.51 F 0.4 1.27 R x 45 C -T- Symbol SEATING PLANE J F 0.25 (0.010) M T C M NOTES: 1. Dimensions A and B do not include mold flash or protrusion. 2. Maximum mold flash or protrusion 0.15 mm (0.006) per side for A; for B ‑ 0.25 mm (0.010) per side. M G 1.27 H 5.72 J 0° 8° K 0.1 0.25 M 0.19 0.25 P 5.8 6.2 R 0.25 0.5 2014 April, Rev. 01