Ordering number : ENA2032A LA4535MC Monolithic Linear IC Power Amplifier for 1.5V Headphone Stereo http://onsemi.com Features • Low current drain. • 16Ω load drive capability. • Excellent reduced voltage characteristics. • Excellent power supply ripple rejection. • Minimum number of external parts required (no input capacitor, feedback capacitor required). • Less harmonic interference in radio band. • On-chip power switch function, muting function. Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Symbol VCC max Conditions Ratings Quiescent Pd max Unit 4.5 V 290 mW Operating temperature Topr −20 to +75 °C Storage temperature Tstg −40 to +125 °C Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Operating Conditions at Ta = 25°C Parameter Symbol Recommended supply voltage VCC Operating voltage range Recommended load resistance Conditions Ratings Unit 1.5 V VCC op 0.9 to 4.0 V RL 16 to 32 Ω Semiconductor Components Industries, LLC, 2013 May, 2013 12313NKPC CAV 20120301-S00006/32112SY No.A2032-1/7 LA4535MC Electrical Characteristics at Ta = 25°C, RL = 16Ω, Rg = 600Ω, See specified Test Circuit. Ratings Parameter Symbol Conditions Unit min Quiescent current *1 typ max ICCO1 VCC = 1.2V, quiescent 3.5 6.0 mA ICCO2 VCC = 2.5V, pin 10 → GND 1.5 2.5 mA ICCO3 VCC = 2.5V, pin 1 → GND 1.0 μA VG1 VCC = 1.2V, f = 1kHz, VO = −20dBm 20.5 22 23 dB VG2 VCC = 0.9V, f = 1kHz, VO = −20dBm 19.5 22 23 dB ΔVG1 VCC = 1.2V, f = 1kHz, VO = −20dBm 1.0 dB ΔVG2 VCC = 0.9V, f = 1kHz, VO = −20dBm 1.0 dB Total harmonic distortion THD VCC = 1.2V, f = 1kHz, PO = 0.5mW 1.5 % Output power PO VCC = 1.5V, f = 1kHz, THD = 10% 5 8 mW Crosstalk CT VCC = 1.2V, f = 100Hz, Rg = 1kΩ, VO = −20dB 40 45 dB VCC = 1.0V, f = 100Hz, Rg = 1kΩ, VR = −30dBm, 45 50 dB Voltage gain Voltage gain difference Ripple rejection SVRR 0.8 BPF = 100Hz 44 μV Power off effect VO(off) VCC = 0.9V, f = 100Hz, pin 1 → GND, VIN = −10dB -80 dBm Muting effect VO(MT) VCC = 0.9V, f = 100Hz, pin 10 → GND, VIN = −10dB -80 dBm 1.0 μA 1.0 μA Output noise voltage VNO VCC = 2.5V, Rg = 1kΩ, BPF= 20Hz to 20kHz Power on current sensitivity l1(on) VCC = 0.85V, V5 ≥ 0.5V Power off voltage sensitivity V1(off) VCC = 0.85V, V5 ≤ 0.1V Muting off current sensitivity l10(off) VCC = 0.85V, V5 ≥ 0.5V Muting on voltage sensitivity V10(on) VCC = 0.85V, V5 ≤ 0.1V 30 0.1 0.5 0.65 0.3 0.5 0.65 V V Note) The quiescent current is represented by the current flowing into pin 6. The respective maximum currents flowing into pin 1 and pin 10 are calculated by (V pin −0.5) / 16 [V/ kΩ] and the total current increases by these current values. Package Dimensions unit : mm (typ) 3426 5.0 5 0.35 1.75 MAX 0.15 1.5 1.0 0.175 1 0.835 0.37 6.4 6 4.4 10 SANYO : SOIC10 No.A2032-2/7 LA4535MC Block Diagram Test Circuit I1 I10 2 P/SW 3 1 LA4535MC 1 V1 1 1 P/SW MT/SW 10 MT/SW 4 4 2 2 IN 1 3 PRE GND 4 IN 2 5 REF Rg OUT 1 9 POWER GND 8 OUT 2 7 2 V10 3 + + + SG VR RL 1 2 Rg RL VCC + DC VCC 6 RIPPLE A ICC Sample Application Circuit LA4535MC ON P/SW OFF VR SG 2 MT/SW 10 OFF MT/SW ON VR SG 1 1 P/SW 2 IN 1 3 PRE GND 4 IN 2 OUT 1 9 POWER GND 8 OUT 2 + RL + 7 + + 5 REF RL + VCC VCC 6 No.A2032-3/7 100 Hz f in =1 kH z 3 2 1 7 5 3 2 0.1 0.1 12 2 3 5 7 2 1 3 5 7 Output power, PO -- mW fin= 10k Hz =1 kH z 10 7 5 3 2 1 7 5 3 2 0.1 0.1 10 PO -- VCC RL=16Ω fin=1kHz 3 2 f in 10 7 5 VCC=1.2V RL=32Ω 00Hz 3 2 THD -- PO 100 7 5 fin=1 f in= 10k Hz VCC=1.2V RL=16Ω Total harmonic distortion, THD -- % THD -- PO 100 7 5 fin= Total harmonic distortion, THD -- % LA4535MC 8 2 3 5 2 1 3 5 7 10 PO -- VCC RL=32Ω fin=1kHz THD=10% 7 Output power, PO -- mW THD=10% Output power, PO -- mW Output power, PO -- mW 10 8 6 THD=1% 4 6 THD=1% 4 2 2 0 0.5 1 1.5 2 2.5 3 0 0.5 4 3.5 1 1.5 Supply voltage, VCC -- V THD -- fin 10 2 VCC=0.9V 1 VCC=1.2V 7 5 3 2 0.1 0.01 200 Power dissipation, Pd -- mW Total harmonic distortion, THD -- % 3 2 3 5 7 0.1 2 3 5 7 1 2 3 5 7 10 2 3 Frequency, fin -- kHz V =3 C VC 5 =1. V CC 50 1.2 4 3.5 4 1 0.8 0.6 100 150 100 3.5 V 0 1 1.5 2 2.5 3 Supply voltage, VCC -- V Pd -- PO fin=1kHz RL=16Ω 3 PO=0.5mW fin=1kHz RL=16Ω 0.4 0.5 5 7100 Supply current, ICCOP -- mA Total harmonic distortion, THD -- % 5 2.5 THD -- VCC 1.4 PO=0.5mW RL=16Ω 7 2 Supply voltage, VCC -- V ICCOP -- PO VCC=3V fin=1kHz RL=16Ω 80 60 40 20 0 1 2 3 5 7 10 2 3 Output power, PO -- mW/ch 5 7 100 1 2 3 5 7 10 2 3 Output power, PO -- mW/ch 5 7 100 No.A2032-4/7 LA4535MC Vg -- fin Voltage gain, Vg -- dB 25 20 15 10 0.01 Output noise voltage, Vno -- µVrms 40 2 3 5 7 0.1 2 3 5 7 1 2 3 5 7 10 2 3 Frequency, fin -- kHz 30 25 1 1.5 2 2.5 3 3.5 20 CT -- fin 2 2.5 3.5 3 4 40 35 30 2 3 5 7 1 2 3 5 7 10 2 3 5 7 100 Signal source resistance, Rg -- kΩ CT -- VCC VO=-20dBm fin=100Hz Rg=1kΩ RL=16Ω 50 40 1.5 Vno -- Rg 55 VCC=1.2V VO=-20dBm Rg=1kΩ RL=16Ω 50 1 VCC=2.5V RL=16Ω 25 0.1 4 Crosstalk, CT -- dB Crosstalk, CT -- dB 22.5 Supply voltage, VCC -- V Supply voltage, VCC -- V 60 25 45 35 20 0.5 VO=-20dBm fin=1kHz RL=16Ω Cout=220µF 17.5 0.5 5 7 100 Vno -- VCC Rg=1kΩ RL=16Ω Vg -- VCC 27.5 VCC=1.2V VO=-20dBm RL=16Ω Cout=220µF Output noise voltage, Vno -- µVrms Voltage gain, Vg -- dB 30 45 40 30 0.01 5 7 0.1 2 3 5 7 1 2 3 5 7 10 2 3 Frequency, fin -- kHz 35 0.5 5 7100 2 2.5 3 3.5 4 VCC=1.2V RL=16Ω 7 5 3 On-time -- msec 60 1.5 AMP On-time -- Cref 1000 VCC=1.2V VO=-20dBm f=100Hz Rg=1kΩ RL=16Ω 1 Supply voltage, VCC -- V CT -- Cref 70 Crosstalk, CT -- dB 2 3 50 40 2 100 7 5 3 30 2 20 10 1 2 3 5 7 10 2 Capacitance, Cref -- µF 3 5 7 100 1 2 3 5 7 10 2 Capacitance, Cref -- µF 3 5 7 100 No.A2032-5/7 LA4535MC SVRR -- Cref 70 VCC=1.0V VR=-30dBm Rg=1kΩ RL=16Ω 60 55 SVRR -- dB SVRR -- dB 60 SVRR -- f 65 VCC=1.0V VR=-30dBm f=100Hz Rg=1kΩ RL=16Ω 50 50 45 40 40 30 2 1 60 5 7 2 10 3 5 Capacitance, Cref -- µF 7 SVRR -- VCC VR=-30dBm f=100Hz Rg=1kΩ RL=16Ω 50 45 2 3 5 7 0.1 2 3 5 7 1 2 3 5 7 10 2 3 5 7 100 Frequency, f -- kHz VMT -- fin --85 55 SVRR -- dB 35 0.01 100 Mutting level, VMT -- dBm 65 3 VCC=0.9V Vin=-10dBm RL=16Ω V1=0.85V V10=0.3V --90 Same characteristics during power-off mode --95 --100 40 35 0.5 1 1.5 2 2.5 3 3.5 --105 0.01 4 Supply voltage, VCC -- V --90 VMT -- VCC Vin=-10dBm fin=100Hz RL=16Ω V1=0.85V V10=0.3V 9 Same characteristics during power-off mode Quiescent current drain, ICCO -- mA Mutting level, VMT -- dBm --85 --95 --100 --105 0.5 Pin voltage -- V 5 7 0.1 5 7 1 2 3 5 7 10 2 3 5 7 100 ICCO -- VCC V1=0.85V no load no signal 8 2 3 Frequency, fin -- kHz 7 te Mu 6 off 5 4 3 n Mute o 2 1 0 1 1.5 2 2.5 3 3.5 4 Supply voltage, VCC -- V 1 2 3 V1=0.85V V10=0.85V 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Supply voltage, VCC -- V Pin voltage -- VCC 0.8 REF (5pin) 0.6 OUT (7pin, 9pin) 0.4 0.2 0 0.5 1 1.5 2 2.5 3 3.5 4 Supply voltage, VCC -- V No.A2032-6/7 LA4535MC ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). 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