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LV49157V Dataheets PDF



Part Number LV49157V
Manufacturers Sanyo Semicon Device
Logo Sanyo Semicon Device
Description Class-D Audio Power Amplifier
Datasheet LV49157V DatasheetLV49157V Datasheet (PDF)

www.DataSheet.co.kr Ordering number : ENA1567 Bi-CMOS LSI LV49157V Overview Class-D Audio Power Amplifier with built-in Headphone Ampifier BTL 15W × 2ch The LV49157V is a 15W per channel stereo digital power amplifier that takes analog inputs. The LV49157V uses unique SANYO-developed feedback technology to achieve excellent audio quality despite being a class D amplifier and can be used to implement high quality flat display panel (FDP) based systems. Features • BTL output, class D amplif.

  LV49157V   LV49157V


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www.DataSheet.co.kr Ordering number : ENA1567 Bi-CMOS LSI LV49157V Overview Class-D Audio Power Amplifier with built-in Headphone Ampifier BTL 15W × 2ch The LV49157V is a 15W per channel stereo digital power amplifier that takes analog inputs. The LV49157V uses unique SANYO-developed feedback technology to achieve excellent audio quality despite being a class D amplifier and can be used to implement high quality flat display panel (FDP) based systems. Features • BTL output, class D amplifier system • Unique SANYO-developed feedback technology achieves superb audio quality • High-efficiency class D amplifier • Soft muting function reduces impulse noise at power on/off • Full complement of built-in protection circuits : over current protection, thermal protection, and low power supply voltage protection circuits • Built in Power limiter • Built in Headphone Amplifier Functions • Power : 15W × 2ch output (VD = 15V, RL = 8Ω, fin = 1kHz, AES17, THD + N = 10%) • Efficiency : 93% (VD = 15V, RL = 8Ω, fin = 1kHz, PO = 15W) • THD + N : 0.08% (VD = 15V, RL = 8Ω, fin = 1kHz, PO = 1W, Filter : AES17) • Noise : 90μVrms (Filter : A-weight) • 60mW Stereo headphone Amplifier (VD = 15V, RL = 16Ω, THD + N = 10%) • Package SSOP44J (275mil) Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. N0409 SY 20090918-S00001 No.A1567-1/30 Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr LV49157V Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Package thermal resistance Symbol VD Pd max θjc Supply voltage Our PCB, Soldered * Our PCB, Soldered * Our PCB, Not soldered * Maximum junction temperature Operating temperature Storage temperature Tj max Topr Tstg Conditions Ratings 20 5 2.1 3.6 150 -25 to +75 -50 to +150 Unit V W °C/W °C/W °C °C °C * : Mounted on a specified board 110.0mm × 100.0mm × 1.5mm, glass epoxy (two-layer) Recommended Operating Range at Ta = 25°C Parameter Supply voltage range Load impedance range Symbol VD RL RL(HP) Supply voltage Speaker load Headphone Conditions min 9 4 Ratings typ 15 8 16 max 18 V Ω Ω Unit Electrical Characteristics at Ta = 25°C, VD = 15V Parameter Symbol Conditions min Main Amplifier (RL = 8Ω,L = 33μH (TOKO : A7502BY-330M), C = 0.1μF,CL=0.47μF) Standby current Mute current Quiescent current Voltage gain Offset voltage Total harmonic distortion Output power Channel separation Ripple rejection ratio Noise High-level input voltage Low-level input voltage Under voltage protection UPPER Under voltage protection LOWER Ist Imute ICCO VG Voffset THD+N PO CH sep. SVRR VNO VIH VIL UV_UPPER UV_LOWER STBY = L, MUTE = L STBY = H, MUTE = L STBY = H, MUTE = H fin = 1kHz, VO = 0dBm Rg = 0 PO = 1W, fin = 1kHz, AES17 THD+N = 10%, AES17 Rg = 0, VO = 0dBm, DIN AUDIO fr = 100Hz, Vr = 0dBm, Rg = 0, DIN AUDIO Rg = 0, A-weight STBY and MUTE pin STBY and MUTE pin VD voltage measure VD voltage measure 3 0 8.0 7.0 13 55 50 14 35 28 -150 0.08 15 70 60 90 300 VD 1 1 20 45 30 10 26 55 32 150 0.4 μA mA mA dB mV % W dB dB μVrms V V V V Ratings typ max Unit Headphone Amplifier(RL = 16Ω,fin=1kHz) Quiescent current Voltage gain Total harmonic distortion Output power Channel separation Ripple rejection ratio Noise High-level input voltage Low-level input voltage ICCO VG THD+N PO CH sep. SVRR VNO VIH VIL HP_STBY = H VO = -10dBm PO = 1.


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