la4534m Sanyo Semiconductor Corporation, la4534m Datasheet
la4534m
Available stocks
Related parts for la4534m
la4534m Summary of contents
Page 1
... Ordering number:EN4024A The LA4534M is a low noise, low distortion headphone- stereo power IC designed for use in a portable CD. Features • Less current drain. • Accept 16 load drive. • Excellent voltage reduction characteristic. • Excellent ripple rejection. • Power switch function and built-in muting circuit. ...
Page 2
... Mute on voltage sensitivity Note : Quiescent current is the current flowing into pin 6. The current flowing into pin 1 and pin the maximum value and calculated from the equation (V pin–0.5V)/16[V/k ], increasing total current. Equivalent Circuit Block Diagram PRE GND LA4534M =16 , Rg=600 L Symbol Conditions I CCO ...
Page 3
... PRE POWER LA4534M 3 8 GND GND 4.7 0. OUT REF V CC MT/ P/SW MT/ OUT 1 0.15 F 4.7 POWER PRE LA4534M 3 8 GND GND 4.7 0. OUT REF 220 220 F 4 RIPPLE ...
Page 4
... IN2 4 1.1 3 PRE GND 5 REF 1 OUT2 1.1 9 OUT1 1.1 POWER 8 GND 10 MT/SW LA4534M Equivalent circuit 20k 1 A11155 500 2 4 10k A11156 5 7.8k A11157 7 9 4.7k A11158 20k 10 A11159 Pin function • The system turns on when the V is applied to this CC pin and turns off by connecting this pin to GND. ...
Page 5
... Supply voltage – – 1000 f=1kHz =16 2 output 100 1 Output power – mW LA4534M =3. =2. — 0 ...
Page 6
... Supply voltage – CCOP OFF – Rg= 1 PWR SW OFF Supply voltage – V LA4534M 100 V R =–20dBm =100Hz 5 Rg =3.0V 0.9 0.8 0.7 0.6 0.5 ...
Page 7
... Ambient temperature, Ta – ˚C P.SW OFF Output AC waveform P.SW DC waveform P.SW OFF P.SW ON Output AC waveform P.SW DC waveform P.SW ON LA4534M =1. =–10dBm R L =16 (Dual Ope) 12 f=1kHz 100 —40 —20 Ambient temperature, Ta – ˚C 16 Rg= =2.4V 12 ...
Page 8
... The switching sequence shown below can minimize poping noise. PWR. PWR, Mute SW To minimize poping noise, the PWR mute switch should be turned on t1 (about 0.1s) after power-on and turned off t2 (about. 0.1s) before power-off. Turn on and off the PWR mute switch by applying V LA4534M M.SW DC waveform A11154 Output AC waveform M ...
Page 9
... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 1998. Specifications and information herein are subject to change without notice. LA4534M PS No.4024–9/9 ...