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Part: LA4800V
Category:
Analog & Mixed-Signal Processing
Description: 3V Stereo Headphone Power Amplifier
Company: Sanyo Semiconductor Corporation
Datasheet: Download LA4800V datasheet File size : 113 kB
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Datasheet text preview:
Ordering number: EN4335A
Monolithic Linear IC
LA4800V
3 V Stereo Headphone Power Amplifier
Overview
The LA4800V is a headphone stereo power amplifier IC that features a high signal-to-noise ratio, high ripple rejection, low distortion and low current consumption, making it ideal for portable CD players.
Package Dimensions
unit : mm
3178-SSOP16
[LA4800V]
Functions
. Headphone stereo power amplifier . Beep tone . Power switch . Power mute switch
Features
. 96 dB (typ) high S/N ratio at 7 µV . 76 dB (typ) high ripple rejection . 0.07% (typ) low distortion with R = 16 . 6.2 mA (typ) low current consumption . Outputs do not require electrolytic capacitors. . Available in 16-pin SSOPs
L
SANYO : SSOP16
Specifications
Maximum Ratings at Ta = 25°C
Parameter Maximum supply voltage Power dissipation Operating temperature range Storage temperature range Symbol VCC max Pd max Topr Tstg Conditions Ratings 4.5 375 15 to 50 40 to 150 Unit V mW °C °C
Any and all SANYO products described or contained herein do not have specifications that can handle a p p l i c a t i o n s that require extremely high levels of reliability, such as life-support systems, aircraft's c o n t r o l systems, or other applications whose failure can be reasonably expected to result in serious p h y s i c a l and/or material damage. Consult with your SANYO representative nearest you before using a n y SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other p a r a m e t e r s ) listed in products specifications of any and all SANYO products described or contained herein.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
32896HA(II)/60393TS No.4335-1/11
LA4800V
Recommended Operating Ranges at Ta = 25°C
Parameter Supply voltage Load resistance Operating supply voltage range Symbol VCC RL VCC op Conditions Ratings 3.0 16 to 32 1.8 to 3.6 Unit V V
Operating Characteristics at Ta = 25°C, VCC = 2.5 V, RL = 16 , f = 1 kHz unless otherwise noted. Values in parentheses indicate VCC = 3.0 V
Parameter Symbol ICCO1 ICCO2 ICCO3 Voltage gain Channel balance Output power Total harmonic distortion Output noise voltage Crosstalk Ripple rejection Mute attenuation Beep tone output voltage Output DC offset voltage Power ON current sensitivity Power OFF voltage sensitivity Mute OFF current sensitivity Mute OFF voltage sensitivity Mute ON voltage sensitivity VG VRL PO THD VNO CT R.R VOFF VO BEEP VDC OFF l1 ON V1 OFF l16 OFF V16 OFF V16 ON Conditions IC OFF Mute ON No input signal VO = 10 dBm VO = 10 dBm VCC = 3.0 V, THD = 10% VO = 0.35 V Rg = 1 k, DIN AUDIO f = 1 kHz, TUN, VO = 10 dBm VCC = 1.7 V, f = 100 Hz, VCR = 20 dBm, TUN = 100 Hz THD = 1% VI = 13.5 dBm (sine wave) VI = 0 V, Rg = 1 k VCC = 1.7 V, V5 ^ 1.0 V VCC = 1.7 V, V5 % 0.1 V VCC = 1.7 V, V5 ^ 1.0 V VCC = 1.7 V VCC = 1.7 V 10.3 1 15 min typ 0.05 1.6 (1.65) 6.2 (6.8) 11.8 0 25 0.075 7.8 45 76 96 3.0 0 50 0.6 4.5 1.25 0.9 max 1.0 3.0 9.0 13.3 1 0.2 15 Unit µA mA mA dB dB mW % µV dB dB dB mV mV µA V µA V V
Quiescent supply current
35 65 80 1.5 20 0.5 1.0
20 60 6.0 1.5 1.0
Maximum power dissipation, Pd max mW
Ambient temperature, Ta °C
No.4335-2/11
LA4800V
Pin Assignment and Block Diagram
Top view Unit (resistance: )
Test Circuit
Unit (resistance: , capacitance: F) No.4335-3/11
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