LA4537MC. Specifications. Monolithic Linear IC Power Amplifier for 1.5V Headphone Stereos. Absolute Maximum Ratings at Ta = 25 C

Transcription

1 Ordering number : ENAA LAMC Monolithic Linear IC Power Amplifier for.v Headphone Stereos Features Low current drain Ω 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 = C Parameter Symbol Conditions Ratings Unit Maximum supply voltage max Quiescent. V Allowable power dissipation Pd max 9 mw Operating temperature Topr to C Storage temperature Tstg to 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 = C Parameter Symbol Conditions Ratings Unit Recommended supply voltage. V Operating voltage range op.9 to. V Recommended load resistance to Ω Semiconductor Components Industries, LLC, May, NKPC CAV -S/SY No.A-/

2 LAMC Electrical Characteristics at Ta = C, RL = Ω, Rg = Ω, See specified Test Circuit. Ratings Parameter Symbol Conditions Unit min typ max Quiescent current I CCO =.V, quiescent.. ma I CCO =.V, pin GND.. ma I CCO =.V, pin GND. μa Voltage gain VG =.V, f = khz, V O = dbm... db Voltage gain difference ΔVG =.V, f = khz, V O = dbm. db Total harmonic distortion THD =.V, f = khz, P O =.mw.. % Output power P O =.V, f = khz, THD = % mw Crosstalk CT =.V, f = Hz, Rg = kω, db V O = db Ripple rejection SVRR =.V, f = Hz, Rg = kω, db = dbm, BPF = Hz Output noise voltage V NO =.V, Rg = kω, BPF = Hz to khz μv Power on current sensitivity I (on) =.V, V.V.. μa Power off voltage sensitivity V (off) =.V, V.V.. V Muting off current sensitivity I (off) =.V, V.V.. μa Muting on voltage sensitivity V (on) =.V, V.V.. V Note) The quiescent current is respresented by the current flowing into pin. The respective maximum currents flowing into pin and pin are calculated by (pin voltage -.) / [V/kΩ] and the total current increases by these current values. Package Dimensions unit : mm (typ) MAX.. SANYO : SOIC No.A-/

3 LAMC Block Diagram Test Circuit I I V IN LAMC MT/SW OUT 9 MT/SW V SG Rg Rg PRE GND IN REF POWER GND OUT A RL DC RIPPLE I CC Sample Application Circuit (Standard) LAMC ON OFF MT/SW MT/SW OFF ON IN OUT 9 PRE GND POWER GND SG SG IN REF OUT No.A-/

4 Sample Application Circuit (Output capacitor shared) LAMC LAMC ON OFF IN MT/SW OUT 9 MT/SW OFF ON PRE GND POWER GND SG SG IN REF OUT No.A-/

5 LAMC Total harmonic distortion, THD -- % VCC=.V THD -- PO fin=hz fin=khz fin=khz Total harmonic distortion, THD -- % VCC=.V RL=Ω THD -- PO fin=hz fin=khz fin=khz.... Output power, PO -- mw Output power, PO -- mw fin=khz PO -- VCC THD=% RL=Ω fin=khz PO -- VCC THD=% Output power, P O -- mw THD=% Output power, PO -- mw THD=% Total harmonic distortion, THD -- % PO=.mW =Ω THD -- fin =.9V VCC=.V Total harmonic distortion, THD -- %.... P O =.mw fin=khz THD -- VCC... Frequency, fin -- khz..... Power dissipation, Pd -- mw fin=khz Pd -- PO =V VCC =.V Supply current, ICCOP -- ma VCC=V fin=khz =Ω ICCOP -- PO Output power, P O -- mw/ch Output power, P O -- mw/ch No.A-/

6 LAMC Voltage gain, Vg -- db VCC=.V VO=-dBm Cout=µF Vg -- fin Voltage gain, Vg -- db.. VO=-dBm fin=khz Cout=µF Vg -- VCC Frequency, fin -- khz Supply voltage, VCC -- V Output noise voltage, Vno -- µvrms Rg=kΩ =Ω Vno -- VCC Output noise voltage, Vno -- µvrms 9 =.V =Ω Vno -- Rg..... Supply voltage, VCC -- V Signal source resistance, Rg -- kω VCC=.V VO=-dBm Rg=kΩ CT -- fin VO=-dBm fin=hz Rg=kΩ CT -- VCC Crosstalk, CT -- db Crosstalk, CT -- db.. Frequency, fin -- khz.... Supply voltage, VCC -- V Crosstalk, CT -- db VCC=.V VO=-dBm f=hz Rg=kΩ CT -- Cref On-time -- msec VCC=.V AMP On-time -- Cref Capacitance, Cref -- µf Capacitance, Cref -- µf No.A-/

7 LAMC VCC=.V VR=-dBm f=hz Rg=kΩ SVRR -- Cref VCC=.V VR=-dBm Rg=kΩ SVRR -- f SVRR -- db SVRR -- db.. Capacitance, Cref -- µf Frequency, f -- khz SVRR -- db VR=-dBm f=hz Rg=kΩ SVRR -- VCC Mutting level, VMT -- dbm VCC=.9V Vin=-dBm =Ω V=.V V=.V VMT -- fin Same characteristics during power-off mode Frequency, fin -- khz Mutting level, VMT -- dbm Vin=-dBm fin=hz V=.V V=.V VMT -- VCC Same characteristics during power-off mode Quiescent current drain, ICCO -- ma 9 V=.V no load no signal ICCO -- VCC Mute off Mute on V=.V V=.V Pin voltage -- VCC REF (pin) Pin voltage -- V.. OUT (pin, 9pin)..... No.A-/

8 LAMC ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC s product/patent coverage may be accessed at SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitabilityof its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Typical parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customer s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PS No.A-/