View BA5814FM_6729443.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

1/11 rev. b structure silicon monolithic integrated circuit product series btl driver for car-cd type ? package outlines figure 1 (plastic mold) power dissipation figure 2 block diagram figure 3 application figure 4 test circuit figure 5 switch table figure 6 fuctions 5ch driver for btl. available in a hsop-m28 power package incorporates a thermal shut down circuit. wide dynamic range 6.0v (typ.) at vcc=8v,rl=8 ? incorporates two trimmer regulator. external pnp tr.is necessary absolute maximum ratings ta=25 parameter symbol limit unit supply voltage vcc 13.5 power dissipation pd 2.2* operating temperature topr -40 85 strage temperature tstg -55 150 reduce power by 17.6mw for each degree above 25 , on a glass epoxy pcb (70mm 70mm,1.6mm thick). guaranteed operating ranges vcc 4.3 13.2 v
2/11 rev. b electrical characteristic unless otherwise noted, ta=25 , vcc=8v,pvcc45=5v, bias=2.5v, rl=8 ? parameter symbol min typ max unit conditions test circuit quiescent current icc 20 30 ma input open figure 5 btl driver output offset voltage voof -50 0 50 mv figure 5 high level output voltage 1 vom1 5.4 6.0 v ch1, 2, 3 figure 5 high level output voltage 2 vom2 3.6 4.0 v ch4, 5 figure 5 closed loop voltage gain 1 gvc1 9.5 12.0 14.5 db ch1 rin=10k figure 5 closed loop voltage gain 2 gvc2 15.5 18.0 20.5 db ch2 rin=10k figure 5 closed loop voltage gain 3 gvc3 16.5 18.0 19.5 db ch3, 4, 5 figure 5 mute on voltage vmton 0.5 v figure 5 mute off voltage vmtoff 2.0 v figure 5 input current for mute pin imute 90 140 a vmute=5v figure 5 input current for bias pin ibias 75 120 a figure 5 regulator threshold voltage of re_i pin vreith 1.14 1.2 1.26 v figure 5 output sink current of re_o pin isin 10 50 ma figure 5 input bias current of re_i pin ibop 20 300 na figure 5 this product is not designed for protection against radioactive rays.
3/11 rev. b
4/11 rev. b power dissipation conditions : on less than 3% (percentage occupied by copper foil), 70mm 70mm 1.6mm thick, glass epoxy mounting. figure 2 0 pd pd : power dissipation ambi e n t t e mpe r at u r e ? 25 50 75 100 125 150 175 0 1 2 3
5/11 rev. b unit of resister ?? t.s.d:thermal shut down figure 3 h no. symbol function no. symbol function 1 rvcc vcc for reg 15 vo5(+) noninverted output of ch5 2 bias input for reference voltage (bias) 16 vo5(-) inverted output of ch5 3 mute1 ch3 mute control 17 vo4(+) noninverted output of ch4 4 mute2 ch1,4,5 mute control 18 vo4(-) inverted output of ch4 5 vin1 input for ch1 19 gnd gnd for pre ? power 6 vin2 input for ch2 20 pvcc12 vcc for ch1,2 power 7 vin3 input for ch3 21 pvcc45 vcc for ch4,5 power 8 vcc vcc for pre,ch3 power 22 vin4 input for ch4 9 vo3(-) inverted output of ch3 23 vin5 input for ch5 10 vo3(+) noninverted output of ch3 24 rgnd gnd for reg 11 vo2(-) inverted output of ch2 25 re_i1 regulator1 terminal of output feedback 12 vo2(+) noninverted output of ch2 26 re_o1 regulator1 terminal connected base of output transistor 13 vo1(-) inverted output of ch1 27 re_i2 regulator2 terminal of output feedback 14 vo1(+) noninverted output of ch1 28 re_o2 regulator2 terminal connected base of output transistor notes) symbol of + and ? (output of drivers) means polarity to input pin. (for example if voltage of pin.10 is high, pin,9 is low) + - 10k level shift 10k 10k + - 10k 10k level shift 10k 10k 10k 10k + - pvcc12 (ch1,2) gnd level shift level shift + - + - 20k vcc (ch3,pre) t.s.d + - + - + - rvcc ch4 ch5 pvcc45 (ch4,5) + - 10k 10k 10k 10k + - ch2 10k 10k 10k 10k + - + - ch1 + - 10k 10k 10k 10k + - ch3 + - 10k level shift + - + - 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 b.g=1.2v ch3 mute ch1,4,5 mute 100 10k rgnd 10k 100 5k 5k 5k ch3 ch2 ch1 ch4 ch5
6/11 rev. b equivalent circuit of terminal bias mute1,2 input for driver(ch1,ch2) output of driver input for driver(ch3,ch4,ch5) regulator terminal connected base of external tr regulator terminal of output feedback 10k 10k 10k noninverted output pin10,12,14,15,17 inverted output pin9,11,13,16,18 pin3,4 50k 50k pin25,27 pin7,22,23 5k pin5,6 100 pin 2 40k 100k 10k pin26,28
7/11 rev. b application circuit 1 figure 4 bias vrego1 vrego2 tracking coil focus coil traverse motor spindle motor loading motor 2sb1132 2sb1132 47f 47f ch3 mute ch1,4,5 mute 'l'mute on traverse spindle loading focus error tracking error vcc=8v + - 10k level shift 10k 10k + - 10k 10k level shift 10k 10k 10k 10k + - pvcc12 (ch1,2) gnd level shift level shift + - + - 20k vcc (ch3,pre) t.s.d + - + - + - rvcc ch4 ch5 pvcc45 (ch4,5) + - 10k 10k 10k 10k + - ch2 10k 10k 10k 10k + - + - ch1 + - 10k 10k 10k 10k + - ch3 + - 10k level shift + - + - 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 b.g=1.2v ch3 mute ch1,4,5 mute 100 10k rgnd 10k r2r1 r2r1 5k 100 5k 5k ch4 ch5 ch3 ch2 ch1 prevcc =8v pvcc12 =8v pvcc45 =5v
8/11 rev. b test circuit figure 5 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 + - 10k level shift 10k 10k + - 10k 10k level shift 10k 10k 10k 10k + - pvcc12 (ch1,2) gnd level shift level shift + - + - 20k vcc (ch3,pre) t.s.d + - + - + - rvcc ch4 ch5 pvcc45 (ch4,5) + - 10k 10k 10k 10k + - ch2 10k 10k 10k 10k + - + - ch1 + - 10k 10k 10k 10k + - ch3 + - 10k level shift + - + - b.g=1.2v ch3 mute ch1,4,5 mute 100 10k rgnd 10k 100 5k 5k 5k ch3 ch2 ch1 ch4 ch5 btl unit btl unit btl unit btl unit btl unit regurator unit regurator unit am2 am3 am4 am21 10k 10k mute1 mute2 bias re_o1 re_o2 re_i1 re_i2 +- +- +-+-+- in1 in2 in3 in5 in4 am1 vcc
9/11 rev. b switch circuit figure 6 btl unit vo a b a b 8 sw1 + - regurator unit 1.1v vcc iregb vregb b sw2 b a sw3 vbop 33k 20k a c re_i re_o 1m 47u vreg-p
10/11 rev. b switch table vcc=8v,prevcc45=5v,bias=2.5v, sw=a position current of circuit mute=2v,bias=2.5v parameter switch input voltage comments test position 1 2 3 quiescent current am1+am21 btl driver parameter switch input voltage comments test position 1 2 3 mute1,2 bias vin output offset voltage b 2.0 2.5 2.5 vo high level output voltage 5.0 vo 0 vo closed loop voltage gain 2.8 20log{(vo-voof)/0.3} vo 2.2 20log{(|vo|+voof)/0.3} vo mute1,2 on voltage 0.5 5.0 output being mute vo mute1,2 off voltage 2.0 output being not mute vo input current for mute pin 5.0 2.5 am3,am4 input current for bias pin 2.0 am2 regulator parameter switch input voltage comments test position 1 2 3 mute bias vregb threshold voltage of re_i pin 1.8 2.5 - vreg-p output sink current of re_o pin b 0.2 iregb input bias current of re_i pin c b - vbop/(1m*2) vbop
11/11 rev. b
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specified herein is subject to change for improvement without notice. the content specified herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specifications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specified in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specified herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specified in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any product, such as derating, redundancy, fire control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specified herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.

▲Up To Search▲

Price & Availability of BA5814FM

	To Download BA5814FM Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .