HD282_[www.ic5.cn]

Page 1 of 8 1. Overview The HD2822 is a bipolar integrated circuit designed for use as a dual power amplifier in portable radios (WALKMAN) and commonly used radios. Its features are: Wide supply voltage range (1.8~15V), especially suitable at low voltage Low quiescent current Small cross-over distortion Bridge or stereo configuration DIP8 2. Block Diagram and Pin Description 2.1 Block Diagram 2.2 Pin Description Pin No. Symbol Description Pin No. Symbol Description 1 OUT1 Output 1 5 IN2-- Inverting Input2 2 VCC Supply Voltage 6 IN2+ Non-Inverting Input 2 3 OUT2 Output 2 7 IN1+ Non-Inverting Input 1 4 GND Ground 8 IN1-- Inverting Input 1 + + - - A1 A2 1 2 3 4 5 6 7 8 HSiN Semiconductor Pte Ltd www.hsin.com.sg 1W X 2 Dual Audio Power Amplifier HD2822 Page 2 of 8 3. Electrical Characteristics 3.1 Absolute Maximum Ratings Unless otherwise specified, Tamb= 25 Parameter Symbol Conditions Value Unit Supply Voltage VCC 15 V Supply Current ICC 1 mA Tamb=50 1 Power Dissipation PD Tcase=50 1.4 W Operating Temperature Tamb -20~ 70 Storage Temperature Tstg - 40 ~ 150 3.2 Electrical Characteristics Unless otherwise specified, Tamb = 25 VCC = 6V Value Parameter Symbol Test Conditions Min Typ Max Unit Quiescent Drain Current ICCQ 6 9 mA Supply Voltage VCC 1.8 15 V Input Bias Current IB 100 nA Stereo f=1kHz, THD=10% 2.7 VCC=3V 1.2 V VCC=9V 300 VCC=6V 90 120 VCC=4.5V 60 VCC=3V 15 20 RL=32 VCC=2V 5 RL=16 VCC=6V 170 220 VCC=9V 1000 RL=8 VCC=6V 300 380 VCC=6V 450 650 VCC=4.5V 320 Output Power (each channel) PO RL=4 VCC=3V 110 mW RL=32 , PO=40mW 0.2 RL=16 , PO=75mW 0.2 Total Harmonic Distortion THD RL=8 , PO=150mW 0.2 % Closed Loop Voltage Gain AVF f=1kHz 36 39 41 dB Channel Balance CB -1 1 dB Input Resistance Ri f=1kHz 100 k Rs=10k B= Curve A 2 Total Input Noise VNI B=22Hz ~22kHz 2.5 uV Supply Voltage Rejection R.R f=100Hz, C1=C2=100uF 24 30 dB Channel Separation C.T f=1kHz 50 dB Page 3 of 8 Continue Value Parameter Symbol Test Conditions Min Typ Max Unit BTL Output Offset Voltage VOS Between two output terminals, RL=8 -50 50 mV f=1kHz, THD=10% VCC=9V 1000 VCC=6V 320 400 VCC=4.5V 200 VCC=3V 50 65 RL=32 VCC=2V 8 VCC=9V 2000 VCC=6V 800 RL=16 VCC=3V 120 VCC=6V 900 1350 VCC=4.5V 700 RL=8 VCC=3V 220 VCC=4.5V 1000 VCC=3V 200 350 Output Power PO RL=4 VCC=2V 80 mW Total Harmonic Distortion THD Po=0.5W RL=8 , f=1kHz 0.2 % Closed Loop Voltage Gain AVF f=1kHz 39 dB Input Resistance Ri f=1kHz 100 k Rs=10k B= Curve A 2.5 Total Input Noise VNI B=22Hz ~22kHz 3 uV Supply Voltage Rejection Ratio R.R f=100Hz 40 dB Power Bandwidth BWP RL=8 , PO=1W 120 kHz 4. Test Circuit 4.1 Test Circuit (Stereo) Fig 4.1 Vcc 0 .1μF 4.7 0 .1μF 4.7 IN(L) 10k IN(R) 10k Ω RL Ω Ω Ω C1 C2 C3 C4 C5 C6 C7 R1 R2 R3 R4 RL + 10μF + 100μF + 100μF + 100μF + 100μF + + - - A1 A2 1 2 3 4 5 6 7 8 Page 4 of 8 4.2 Test Circuit (BTL) Fig 4.2 5. Characteristics Curve + + - - A1 A2 1 2 3 4 5 6 7 8 Vcc 0.1μF 4.7 0.1μF 4.7 IN 10k 10F Ω Ω Ω RL C2 10F 10nF C3 C4 C5 R1 R2 R3 + + C1 0 4 8 12 2 4 6 8 Vcc (V) I (mA) Q u i e s c e n t C u r r e n t Supply Voltage 10 20 30 40 10 10 102 3 4 (dB) f (Hz)S u p p l y V o l t a g e R e j e c t i o n Frequency Vcc=6V R =8ΩL V =0.5VR R M S BTL Stereo I - Vcc R.R R.R - f C C Q Page 5 of 8 2 4 6 8 0.2 0.6 1.0 Vcc (V) Po (W) 0 200 400 600 Po (mW) 0.1 0.2 0.3 0.4 THD (%) 0 0.2 0.4 1 2 3 Po (W) THD (%) 2 4 6 Vcc (V) 1 2 3 Po (W) 0 0.2 0.4 0.6 0.8 Po (W) 0.5 1.0 1.5 2.0 THD (%) 0 0.5 1.0 1.5 2.0 Po (W) 0.2 0.4 0.6 0.8 P (W) Supply Voltage T o t a l H a r m o n i c D i s t o r t i o n Output PowerStereo Output PowerStereo O u t p u t P o w e r T o t a l H a r m o n i c D i s t o r t i o n Supply Voltage (BTL) T o t a l H a r m o n i c D i s t o r t i o n Output PowerBTL Output PowerBTL D i s s i p a t e d P o w e r THD=10% f=1kHz O u t p u t P o w e r S t e r e o f=1kHz R =8 ΩL f=1kHz Vcc=6V R = 4ΩL THD=10% R = 8 ΩL f=1kHz R = 32 ΩL Vcc=6V R = 8 Ω f=1kHz L R = 4ΩL R = 8L Ω 6V 9V Vcc=9V 0 Po - Vcc THD - Po Po - VccTHD - Po THD - Po - Po D P D Page 6 of 8 6. Application Circuit 6.1 Typical Application Circuit (Stereo) Fig 6.1 0 0.5 1.0 1.5 2.0 Po (W) 0.2 0.4 0.6 0.8 1.0 (W) Output PowerBTL D i s s i p a t e d P o w e r R = 16 ΩL f=1kHz Vcc=9V Vcc=6V 0 0.2 0.4 0.6 0.8 Po (W) Vcc=6V R = 8 Ω f=1kHz L 0.2 0.4 0.6 0.8 1.0 (W) (W) 1.0 0.8 0.6 0.4 0.2 0 0.4 0.8 1.2 Po (W) Output PowerBTL T o t a l D i s s i p a t e d P o w e r T o t a l D i s s i p a t e d P o w e r Output PowerBTL R = 4 Ω f=1kHz L Vcc=4.5V Vcc=4.5V Vcc=3V P - Po D P D P - Po D P D P - Po D P D + + - - A1 A2 1 2 3 4 5 6 7 8 Vcc=3V 0.1μF 4.7 0.1μF 4.7 IN(L) 10k IN(R) 10k R Ω 32Ω / 16 Ω Ω Ω Ω 32Ω / 16 Ω + 10μF + 100μF + 100μF + 100μF + 100μF L RL Page 7 of 8 6.2 Low-cost Application Circuit with One Capacitor of 100uF (Stereo) Fig 6.2 6.3 Typical Application Circuit (BTL) Fig 6.3 + + - - A1 A2 1 2 3 4 5 6 7 8 Vcc=3V 0.1μF 4.7 0.1μF 4.7 IN(L) 10k IN(R) 10k 10F Ω Ω Ω Ω 32Ω/16Ω 32Ω / 16 Ω + + 100μF + 100μF + 100μF RL RL + + - - A1 A2 1 2 3 4 5 6 7 8 Vcc 0.1μF 4.7 0.1μF 4.7 IN 10k 10F Ω Ω Ω R C2 10F 10nF C3 C4 C5 R1 R2 R3 + + C1 L Page 8 of 8 7. Package Dimensions