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- 1 - e09724a21 sony reserves the right to change products and specifications without prior notice. this information does not convey any licens e by any implication or otherwise under any patents or other right. application circuits shown, if any, are typical examples illu strating the operation of the devices. sony cannot as sume responsibility for any problems aris ing out of the use of these circuits. CXA3813N audio driver for tv description the CXA3813N is a headphone amplifier and 2-channel stereo audio line amplifiers ic. each amplifier has a fixed gain and mute function. pop noise of 2-channel stereo audio line amplifiers is free at power on/off and mute. 1-channel stereo audio line amplifier has 2 stereo input multiplexer. the CXA3813N is suitable for a wide r ange of consumer audio applications, such as portable a/v players, set- top boxes, and digital televisions. the device is offered in a space saving 24pin ssop package. features ? headphone amplifier +12db fixed gain ? 2-channel audio line amplifier amplifier1: +12db fixed gain amplifier2: +12db fixed gain, 2 stereo input multiplexer ? operating voltage v cc _hp = v cc _amp1 = 8 to 14v ? operating current 12ma typ. (v cc _hp), 30ma typ. (v cc _amp1) ? pop noise free at power on/off and mute amplifier1 and amplifier2 ? package ssop24 free datasheet http:///
CXA3813N - 2 - absolute maximum ratings *1 glass fabric base epoxy two-layer board, 76mm ? 114mm, t = 1.6mm recommended operating conditions item symbol rating unit supply voltage v cc 24.0 v operating temperature range t a ?25 to +85 ? c storage temperature range tstg ?55 to +125 ? c junction temperature t j(max) +125 ? c power dissipation pd (t j(max) ? t a ) / ? ja *1 ? thermal impedance ? ja 131.9 ? c/w ? jc 0.6 ? c/w item symbol min. typ. max. unit supply voltage v cc 8.0 12.0 14.0 v operating ambient temperature topt ?25 ? +85 ? c free datasheet http:///
CXA3813N - 3 - block diagram ref hpol v cc _hp ampmute hpil ampen amp2il0 amp2il1 hpor hpir gnd_hp amp2ol amp2or crefh amp1ir refo cref sel gnd_amp1 v cc _amp1 amp1ol amp1il amp1or amp2ir0 amp2ir1 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 0 101 sel = 0; amp2il/r0 select sel = 1; amp2il/r1 select free datasheet http:///
CXA3813N - 4 - pin description pin no. pin name direction description 1 ampen i amplifier enable control signal input 2 ampmute i amplifier mute control signal input 3 hpil i headphone amplifier lch input 4 hpol o headphone amplifier lch output 5v cc _hp ? headphone amplifier power 6 gnd_hp ? headphone amplifier ground 7 hpor o headphone amplifier rch output 8 hpir i headphone amplifier rch input 9 amp2il0 i amp2 lch selector input 0 10 amp2il1 i amp2 lch selector input 1 11 amp2ol o amp2 lch output 12 amp2or o amp2 rch output 13 amp2ir1 i amp2 rch selector input 1 14 amp2ir0 i amp2 rch selector input 0 15 v cc _amp1 ? amp1, 2 and reference power 16 gnd_amp1 ? amp1, 2 and reference ground 17 amp1il i amp1 lch input 18 amp1ol o amp1 lch output 19 amp1or o amp1 rch output 20 amp1ir i amp1 rch input 21 crefh o ?h? reference capacitor 22 cref o reference capacitor 23 refo o all amplifier reference 24 sel i amp2 selector control signal input free datasheet http:///
CXA3813N - 5 - pin circuits pin no. symbol equivalent circuit 1 2 24 ampen ampmute sel 3 8 hpil hpir 4 7 hpol hpor 9 10 13 14 amp2il0 amp2il1 amp2ir1 amp2ir0 2k 2k v cc _amp1 v cc _amp1 gnd_amp1 gnd_amp1 1 2 24 23 v cc _hp v cc _hp gnd_hp 23 60k 60k 3 8 23 gnd_hp gnd_hp gnd_hp gnd_hp 2.5pf 2.5pf 2.5pf 2.5pf 2.5pf 20 v cc _hp v cc _hp v cc _hp 2.5k 2.5k 2.5k 2.5k 15k 44.7k 4 7 60k 23 gnd_amp1 v cc _amp1 v cc _amp1 60k 23 gnd_amp1 v cc _amp1 9 14 10 13 free datasheet http:///
CXA3813N - 6 - 11 12 18 19 amp2ol amp2or amp1ol amp1or 17 20 amp1il amp1ir 21 22 crefh cref 23 refo pin no. symbol equivalent circuit 1pf 1pf 2.5pf 2.5pf 5pf 23 23 v cc _amp1 v cc _amp1 v cc _amp1 gnd_amp1 gnd_amp1 gnd_amp1 gnd_amp1 3.5k 3.5k 3.5k 3.5k 30k 10k 10k 1k 11 18 12 19 23 v cc _amp1 v cc _amp1 60k gnd_amp1 17 20 v cc _amp1 v cc _amp1 gnd_amp1 gnd_amp1 v cc _amp1 gnd_amp1 100k 25k 25k 21 22 1.25k v cc _amp1 v cc _amp1 v cc _amp1 gnd_amp1 gnd_amp1 23 free datasheet http:///
CXA3813N - 7 - reference block electrical characteristics ? electrical characteristics (reference) (unless otherwise specified; ta = 25 ? c, v cc = 12.0v, fsignal = 1khz, measurement band width = 20 to 20khz) ? electrical characteristics (operating current) ( unless otherwise specified; ta = 25 ? c, v cc = 12.0v, fsignal = no-signal, measurement band width = 20 to 20khz ) ref v cc _amp1 gnd_amp1 10f refo v cc _amp1 crefh cref v cc _amp1 gnd_amp1 gnd_amp1 3.3f 3.3f gnd_amp1 v cc _amp1 bandgap reference current reference v cc _amp1 gnd_amp1 ampen ampen refo 47f 0.1f item symbol min. typ. max. condition unit cref output voltage v cref (v cc /2) ? 0.9 v cc /2 (v cc /2) ? 1.1 v crefh output voltage v crefh (3 ? v cc /4) ? 0.9 3 ? v cc /4 (3 ? v cc /4) ? 1.1 v refo output voltage v refo (v cc /2) ? 0.9 v cc /2 (v cc /2) ? 1.1 v item symbol min. typ. max. condition unit power-down mode (ampen pin = ?l?) i stb_hp ? 50.0 90.0 v cc _hp = 12v, no-load, no-signal ? a i stb_amp1 ?2.03.6 v cc _amp1 = 12v, no-load, no-signal ma normal operating current (ampen pin = ?h?) i act_hp ? 12.0 22.0 v cc _hp = 12v, no-load, no-signal ma i act_amp1 ? 30.0 55.0 v cc _amp1 = 12v, no-load, no-signal ma free datasheet http:///
CXA3813N - 8 - hp block electrical characteristics ? electrical characteristics ( hp block ) (unless otherwise specified; ta = 25 ? c, v cc = 12.0v, fsignal = 1khz, measurement band width = 20 to 20khz) hpl hpr v cc _hp gnd_hp refo hpil gnd_hp v cc _hp hpol hpor 100 32 100f refo hpir 1.0f 60k 60k ampen ampmute ampmute v cc _hp gnd_hp refo 100 32 100f refo 1.0f 60k 60k ampen ampmute ampmute v cc _hp gnd_hp 47f 0.1f item symbol min. typ. max. condition unit hpamp input impedance rin hp 48.0 60.0 72.0 k ? output dc voltage vout hp (v cc /2) ? 0.9 v cc /2 (v cc /2) ? 1.1 ac coupled input v hpamp gain gain hp1 11.0 12.0 13.0 fsig = 1khz db maximum output level vom hp 2.8 ? ? rl = 100 ? + 32 ? , v cc = 12.0v vrms thd+n thd hp1 ?0.10.5 rl = 100 ? + 32 ? , vin = 0.5vrms, v cc = 12.0v % thd hp2 ? 1.0 10.0 rl = 100 ? + 32 ? , vin = 0.7vrms, v cc = 12.0v % output noise level vn hp1 ? ?96.0 ?90.0 rl = 100 ? + 32 ? , vin = no-signal, measured at rl of 32 ? dbv gain error ge hp ?0.5 0 0.5 rl = 10k ? , v cc = 12.0v db channel separation cs hp 60.0 70.0 ? hpol/r = 2.8vrms/no-signal, 1khz bpf, rg = 1k ? db cross talk ct hp 60.0 70.0 ? hpol/r = no-signal, amp1, 2ol/r = 2.8vrms, 1khz bpf, rg = 1k ? db psrr psrr hp 30.0 40.0 ? hpol/r = no-signal, fsig = 1khz db free datasheet http:///
CXA3813N - 9 - amp1 block electrical characteristics ? electrical characteristics (amp1 block) (unless otherwise specified; ta = 25 ? c, v cc = 12.0v, fsignal = 1khz, measurement band width = 20 to 20khz) amp1r v cc _amp1 gnd_amp1 gnd_amp1 v cc _amp1 gnd_amp1 v cc _amp1 amp1or 470 10k 4.7f refo amp1ir 1.0f ampen amp1l amp1ol amp1il refo ampmute ampmute v cc _amp1 gnd_amp1 470 10k 4.7f refo 1.0f ampen refo ampmute ampmute 60k 60k 47f 0.1f item symbol min. typ. max. condition unit amp1 input impedance rin amp1 48.0 60.0 72.0 k ? output dc voltage vout amp1 (v cc /2) ? 0.9 v cc /2 (v cc /2) ? 1.1 ac coupled input v amp1 gain gain amp1 11.0 12.0 13.0 fsig = 1khz db maximum output level vom amp1 2.8 ? ? rl = 10k ? , v cc = 12.0v vrms thd+n thd amp1_1 ?0.10.5 rl = 10k ? , vin = 0.5vrms, v cc = 12.0v % thd amp1_2 ? 1.0 10.0 rl = 10k ? , vin = 0.7vrms, v cc = 12.0v % output noise level vn amp1 ? ?93.0 ?87.0 rl = 10k ? , vin = no-signal dbv gain error ge amp1 ?0.5 0 0.5 rl = 10k ? , v cc = 12.0v db channel separation cs amp1 60.0 70.0 ? amp1ol/r = 2.8vrms/no-signal , 1khz bpf, rg = 1k ? db cross talk ct amp1 60.0 70.0 ? amp1ol/r = no-signal, hpol/r = 2.8vrms, amp2ol/r = 2.8vrms, 1khz bpf, rg = 1k ? db psrr psrr amp1 30.0 40.0 ? amp1ol/r = no-signal, fsig = 1khz db free datasheet http:///
CXA3813N - 10 - amp2 block electrical characteristics ? electrical characteristics (amp2 block) (unless otherwise specified; ta = 25 ? c, v cc = 12.0v, fsignal = 1khz, measurement band width = 20 to 20khz) v cc _amp1 gnd_amp1 amp2r v cc _amp1 gnd_amp1 gnd_amp1 v cc _amp1 amp2or 470 10k 4.7f refo ampen amp2l amp2ol refo ampmute ampmute amp2il1 amp2il0 amp2ir1 amp2ir0 1.0f 1.0f v cc _amp1 gnd_amp1 v cc _amp1 gnd_amp1 470 10k 4.7f refo ampen refo ampmute ampmute 1.0f 1.0f 60k 60k v cc _amp1 gnd_amp1 47f 0.1f item symbol min. typ. max. condition unit amp2 input impedance rin amp1 48.0 60.0 72.0 k ? output dc voltage vout amp2 (v cc /2) ? 0.9 v cc /2 (v cc /2) ? 1.1 ac coupled input v amp2 gain gain amp2 11.0 12.0 13.0 fsig = 1khz db maximum output level vom amp2 2.8 ? ? rl = 10k ? , v cc = 12.0v vrms thd+n thd amp2_1 ?0.10.5 rl = 10k ? , vin = 0.5vrms, v cc = 12.0v % thd amp2_2 ? 1.0 10.0 rl = 10k ? , vin = 0.7vrms, v cc = 12.0v % output noise level vn amp2 ? ?93.0 ?87.0 rl = 10k ? , vin = no-signal dbv gain error ge amp2 ?0.5 0 0.5 rl = 10k ? , v cc = 12.0v db channel separation cs amp2 60.0 70.0 ? amp2ol/r = 2.8vrms/no-signal, 1khz bpf, rg = 1k ? db cross talk ct amp2 60.0 70.0 ? amp2ol/r = no-signal, hpol/r = 2.8vrms , amp1ol/r = 2.8vrms, 1khz bpf, rg = 1k ? db psrr psrr amp2 30.0 40.0 ? amp2 ol/r = no-signal, fsig = 1khz db free datasheet http:///
CXA3813N - 11 - control block electrical characteristics ? electrical characteristics (control block) (unless otherwise specified; ta = 25 ? c, v cc = 12.0v, fsignal = 1khz, measurement band width = 20 to 20khz) ? ampen amplifier enable control ?l? amp off ?h? amp on ? ampmute amplifier mute control ?l? mute ?h? un-mute ? sel amp2 selector control ?l? amp2il/r0 select ?h? amp2il/r1 select v cc _amp1 gnd_amp1 gnd_amp1 v cc _amp1 ampmute gnd_amp1 gnd_amp1 v cc _amp1 v cc _amp1 ampen v cc _amp1 gnd_amp1 gnd_amp1 v cc _amp1 sel ampen ampmute sel ampen = 0: amp off ampen = 1: amp on ampmute = 0: mute ampmute = 1: un-mute sel = 0: amp2il/r0 sel = 1: amp2il/r1 item symbol min. typ. max. condition unit ampen high level input voltage v ampenh 2.0 ? v cc _amp1 input: high level v ampen low level input voltage v ampenl 0 ? 0.4 input: low level v ampmute high level input voltage v ampmuteh 2.0 ? v cc _amp1 input: high level v ampmute low level input voltage v ampmutel 0 ? 0.4 input: low level v sel high level input voltage v selh 2.0 ? v cc _amp1 input: high level v sel low level input voltage v sell 0 ? 0.4 input: low level v free datasheet http:///
CXA3813N - 12 - power-on/off sequence power-on sequence (1) amplifier and bias enable signal (ampen) should be set to ?h?. (2) amplifier output switch control signal (ampmute) should be set to ?h? at least 2s after (1). power-off sequence (3) ampen and ampmute signal should be set to ?l? at the same time. *1 *1 ampmute should be first ?l? if it is impossible to be ?l? at the same time. v cc (9v) ampen ampmute ampout hpout (1) (2) (3) 2s free datasheet http:///
CXA3813N - 13 - application circuit 1.0f 1.0f 1.0f 1.0f 3.3f 3.3f 10f 4.7f 4.7f 1.0f 1.0f 1.0f 1.0f 4.7f 100 32 100f 0.1f 470 10k 4.7f 470 10k 0.1f 47f 47f 100 32 100f 470 10k 470 10k ref hpol v cc _hp ampmute hpil ampen amp2il0 amp2il1 hpor hpir gnd_hp amp2ol amp2or crefh amp1ir refo cref sel gnd_amp1 v cc _amp1 amp1ol amp1il amp1or amp2ir0 amp2ir1 0 101 sel = 0; amp2il/r0 select sel = 1; amp2il/r1 select application circuits shown are typical examples illustrating the operation of the devices. sony cannot assume responsibility fo r any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same. free datasheet http:///
CXA3813N - 14 - package outline (unit: mm) house code: 75340849 free datasheet http:///
CXA3813N - 15 - marking house code: 75340849 CXA3813N free datasheet http:///
CXA3813N - 16 - sony corporation package outline (unit: mm) house code: 75333442/75333444 marking house code: 75333442/75333444 so n y code eiaj code jedec code ssop-24p-l01 p-ssop24-7. 8 x5.6-0.65 package material lead treatme n t lead material package mass epoxy resi n palladium plati n g copper alloy package structure 0.1g 24pi n ssop (plastic) 0.1 ?0.1 0? to 10? detail a ? 5.6 ?0.1 24 ? 7. 8 ?0.1 13 0.65 12 1 0.1 1.25 ?0.1 + 0.2 a 0.13 m n ote: dimension " ? " does not include mold protrusion. 0.15 ?0.01 detail b : palladium + 0.03 b = 0.22 ?0.03 b b 7.6 ?0.2 0.5 ?0.2 c:cxa3 8 13 n b: lot n o. (max. 7) gg? control n o.
a ? week manufactured
a?
b1< 1 ; year manufactured c b free datasheet http:///

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