1/5 rev. a structure : silicon monolithic integrated circuit product name : power driver for compact disc players device name : BA5826FP features : ? 4-ch btl driver ? use of an hsop28 power package c an achieve downsizing of the set. ? gain can be controlled by atta ching an external resistance. ? a built-in thermal shut down circuit installed. ? a built-in 3.3v regulator installed. (external pnp tr must be installed.) ? a built-in general operational amplifier installed. ? a built-in 2.7v reset circuit installed. ? using an external capacitor, the reset delay time can be changed. { absolute maximum ratings (ta=25 c)] parameter symbol limits unit power supply voltage vcc 13.5 v power dissipation pd 1.7 *1 w operating temperature range topr -35 to 85 c storage temperature range tstg -55 to 150 c *1 when mounted on the glass/epoxy board with the size: 70 mm 70 mm, the thickness: 1.6 mm, and the rate of copper foil occupancy area: 3% or less. over ta=25 c, derating at the rate of 13.6mw/ c. { operating conditions parameter symbol limits unit power supply voltage vcc 4.5 to 9 v this product has not been checked for the strategic materials (or service) defined in the foreign exchange and foreign trade control low of japan so that a verification work is required before exporting it. not designed for radiation resistance.
2/5 rev. a { electric characteristics (ta=25 c, vcc=8v, vbias=1.65v, r l =8 ? , unless otherwise noted.) parameter symbol min. typ. max unit condition circuit current at no signal icc 6.0 10.0 14.0 ma no load applied output offset voltage voo1 -50 - 50 mv maximum output amplitude vom1 4.35 5.0 - v vbias=4v closed circuit voltage gain gvc1 6.0 8.0 10.0 db output offset voltage voo2 -50 - 50 mv maximum output amplitude vom2 4.3 4.9 - v vbias=4v closed circuit voltage gain gvc2 7.0 8.0 9.0 db mute off voltage vmtoff 2.0 - - v mute on voltage vmton - - 0.5 v bias drop mute threshold voltage vbthr - 0.7 1.2 v <3.3v regulator > output voltage vreg 3.13 3.3 3.47 v il=100ma output load regulation ? vrl -20 0 10 mv il=100 to 200ma power supply voltage regulation ? vvcc -10 0 35 mv (vcc=6 to 9v) il=100ma offset voltage vofop -6 - 6 mv input bias current ibias - - 300 na high-level output voltage vohop 7.5 - - v vbias=4v low-level output voltage volop - - 0.3 v vbias=4v output driving current source isou 300 500 - a vbias=4v output driving current sink isin 1 - - ma vbias=4v reset on threshold voltage vthr 2.56 2.7 2.84 v when vreg drops reset on output voltage vron - - 0.5 v connected to 3.3v with the resistance of 10k ? applied. irest 16.6 23.7 30.8 a reset threshold voltage h vresth 7.7 - - v vrest=1.5v reset threshold voltage l vrestl - - 0.4 v vrest=1v { outline dimensions, symbols (unit:mm) product number (max 18.85 include burr )
3/5 rev. a { application circuit diagram ch1: spindle ch2: sled ch3: tracking ch4: focus t. s. d.: thermal shutdown resistance unit: [ ? ] { pin numbers, pin names no. pin name description no. pin name description 1 vo1(-) driver ch1 ne gative output 15 opin operational amplifier inverted input 2 vo1(+) driver ch1 positive output 16 reset reset terminal 3 in1 ch1 input terminal 17 vo3 (-) driver ch3 ne gative output 4 reset reset output 18 vo3(+) driver ch3 positive output 5 regb regulator external tr base connection terminal 19 in3 ch3 input terminal 6 regout regulator output 20 in3? ch3 input terminal for gain control 7 mute driver mute control terminal 21 vcc power supply input 8 gnd pregnd, reggnd 22 vcc power supply input 9 in2? ch2 input terminal for gain control 23 bias bias input 10 in2 ch2 input terminal 24 in4? ch4 input terminal for gain control 11 vo2(+) driver ch2 positive output 25 in4 ch4 input terminal 12 vo2(-) driver ch2 negativ e output 26 vo4(+) driv er ch4 positive output 13 gnd ch2,3 powgnd 27 vo4(-) dr iver ch4 negat ive output 14 opout operational amplifier output 28 gnd ch1,4 powgnd note: the positive or negative polarity of driv er outputs is determined by the input polarity. when the signal h is applied to the input pin, the negative output pin outputs l and the positive output pin outputs h. . . ' 0 $ 6 4 5 3 " $ , * / ( # * " 4 4 - & |