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dual opamp and voltage reference ap4301 1 march, 2003 advanced analog circuits data sheet rev.1.0 general description the ap4301 is a monolithic ic specifically designed to control the output current and voltage levels of switch mode battery chargers and power supplies. the device contains two oper ational amplifiers and a precision shunt regulator. opamp 1 is designed for voltage control, whose non-inverting input internally connects to the ouput of the shunt regulator. opamp 2 is for current control with both inputs uncommitted. the ic offers the power co nverter designer a control solution that features increas ed precision with a corre- sponding reduction in system complexity and cost. features input offset voltage: 0.5mv supply current: 250 a per op-amp at 5.0v sup- ply voltage unity gain bandwidth: 1mhz output voltage swing: 0 to (v cc - 1.5)v power supply range: 3 to 18v fixed output voltage reference: 1.25v, 1.24v voltage tolerance: 0.5%, 1% sink current capability from 0.1 to 80ma package types: dip-8 and soic-8 applications battery charger switch mode power supply soic-8 dip-8 figure 1. package types of ap4301
dual opamp and voltage reference ap4301 2 march, 2003 advanced analog circuits data sheet rev.1.0 functional block diagram pin configuration figure 2. pin configuration of ap4301 input 1- input 1+ / v ka gnd v cc output 2 input 2- input 2+ 1 4 5 6 7 8 3 2 top view output 1 figure 3. functional block diagram of ap4301 - + - + 1 2 3 4 8 7 6 5 output 1 input 1 gnd v cc output 2 input 2
dual opamp and voltage reference ap4301 3 march, 2003 advanced analog circuits data sheet rev.1.0 figure 5. voltage reference functional block diagram functional block di agram (continued) figure 4. opamp functional block diagram v ka gnd 20 a 20 a 6ua 4ua rsc 100ua inputs + - output v cc 10 a 50 a gnd (each amplifier)
dual opamp and voltage reference ap4301 4 march, 2003 advanced analog circuits data sheet rev.1.0 ordering information package reference voltage voltage tolerance temperature range part number marking id packing type dip-8 1.25v 0.5% -40 to 85 o c ap4301ap-c ap4301ap-c tube 1% AP4301BP-C AP4301BP-C 1.24v 0.5% ap4301ap-d ap4301ap-d 1% ap4301bp-d ap4301bp-d soic-8 1.25v 0.5% ap4301am-c ap4301am-c tube/reel 1% ap4301bm-c ap4301bm-c 1.24v 0.5% ap4301am-d ap4301am-d 1% ap4301bm-d ap4301bm-d ap 4301 x x - x output voltage reference c: 1.25v d: 1.24v circuit type voltage tolerence a:0.5% b:1% package m:soic-8 p: dip-8
dual opamp and voltage reference ap4301 5 march, 2003 advanced analog circuits data sheet rev.1.0 parameter symbol value unit power supply voltage (v cc to gnd) v cc 20 v opamp 1 and 2 input voltage range (pins 2, 5, 6) v in - 0.3 to v cc - 0.3 v opamp 2 input differential voltage (pins 5, 6) v id 20 v voltage reference cathode current (pin 3) i k 100 ma power dissipation p d dip-8 800 mw soic-8 500 storage temperature range t stg -65 to 150 o c esd protection voltage (machine model) - 200 v absolute maximum ratings note: stresses greater than those listed under "absolute maximum ratings " may cause permanent damage to the device. these are stress ratings only, and functional opera tion of the device at these or any other conditions beyond those indicated under "recommended operation ratings " is not implied. exposure to "absolute maximum rat- ings " for extended periods may affect device reliability. parameter min max unit supply voltage 3 18 v ambient temperature -40 85 o c recommended operating ratings
dual opamp and voltage reference ap4301 6 march, 2003 advanced analog circuits data sheet rev.1.0 operating conditions: v cc = + 5v, t a = 25 o c unless otherwise specified. electrical characteristics parameter conditions min typ max unit total supply current, excluding cur- rent in voltage reference v cc = 5v, no load, -40 o c t a 85 o c 0.5 0.8 ma v cc = 18v, no load, -40 o c t a 85 o c 0.6 1.2 voltage reference section refeence voltage for ap4301-c i k = 10ma t a = 25 o c 0.5% tolerance 1.244 1.250 1.256 v 1% tolerance 1.237 1.263 reference voltage for ap4301- d i k = 10ma t a = 25 o c 0.5% tolerance 1.234 1.240 1.246 v 1% tolerance 1.227 1.252 reference voltage deviation over full temperature range i k = 10ma, t a = -40 to 85 o c 5 17 mv minimum cathode current for regulation 0.2 1 ma dynamic impedance i k = 1.0 to 80ma, f<1khz 0.2 0.5 ? opamp 1 section (v cc = 5v, v o = 1.4v, t a = 25 o c, unless otherwise noted) input offset voltage t a = 25 o c 0.5 3 mv t a = -40 to 85 o c 5 input offset voltage temperature drift t a = -40 to 85 o c 7 v/ o c input bias current (inverting input only) t a = 25 o c 20 150 na large signal voltage gain v cc = 15v, r l = 2k ? , v o = 1.4 to 11.4v 85 100 db power supply rejection ratio v cc = 5 to 18v 70 90 db output current source v cc = 15v, v id = 1v, v o =2v 20 40 ma sink v cc = 15v, v id = -1v, v o = 2v 10 20 ma output voltage swing (high) v cc = 18v, r l = 10k ? , v id = 1v 16 16.5 v output voltage swing (low) v cc = 18v, r l = 10k ? , v id = -1v 17 100 mv slew rate v cc = 18v, r l = 2k ? , a v = 1, v in = 0.5 to 2v, c l = 100pf 0.2 0.5 v/ s gain bandwidth product v cc = 18v, r l = 2k ? , c l = 100pf, v in = 10mv, f = 100khz 0.5 1 mhz
dual opamp and voltage reference ap4301 7 march, 2003 advanced analog circuits data sheet rev.1.0 parameter conditions min typ max unit opamp2 section (v cc = 5v, v o = 1.4v, t a = 25 o c, unless otherwise noted ) input offset voltage t a = 25 o c 0.5 3 mv t a = -40 to 85 o c 5 input offset voltage temperature drift t a = -40 to 85 o c 7 v/ o c input offset current t a = 25 o c 2 30 na input bias current t a = 25 o c 20 150 na input voltage range v cc = 0 to 18v 0 v cc - 1.5 v common mode rejection ratio t a = 25 o c, v cm = 0 to 3.5v 70 85 db large signal voltage gain v cc = 15v, r l = 2k ? , v o = 1.4 to 11.4v 85 100 db power supply re jection ratio v cc = 5 to 18v 70 90 d output current source v cc = 15v , v id = 1v, v o = 2v 20 40 ma sink v cc = 15v, v id = -1v, v o = 2v 10 20 ma output voltage swing ( high ) v cc = 18 , r l = 10k ? , v id = 1v 16 16.5 v output voltage swing ( low ) v cc = 18 , r l = 10k ? , v id = -1v 17 100 mv slew rate v cc = 18v, r l = 2k ? , a v = 1, v in = 0.5 to 2v , c l = 100pf 0.2 0.5 v/ s gain bandwidth product v cc = 18v, r l = 2k ? , c l = 100pf, v in = 10mv, f=100khz 0.5 1 mhz electrical characteristics (continued) operating conditions: v cc = + 5v, t a = 25 o c unless otherwis e specified.
dual opamp and voltage reference ap4301 8 march, 2003 advanced analog circuits data sheet rev.1.0 typical characteristics figure 6. reference voltage vs. ambient temperature figure 8. cathode current vs. cathode voltage figure 9. catho de current vs. cathode voltage -40-20 0 20406080100120 1.246 1.248 1.250 1.252 1.254 reference voltage (v) amibient temperature ( o c) ap4301-c figure 7. reference voltage vs. ambient temperature -1 0 1 -150 -100 -50 0 50 100 150 cathode current (ma) cathode voltage (v) ap4301-d v ka =v ref t a =25 o c -1 0 1 -150 -100 -50 0 50 100 150 cathode current (ma) cathode voltage (v) ap4301-c v ka =v ref t a =25 o c -40-20 0 20406080100120 1.230 1.232 1.234 1.236 1.238 1.240 1.242 1.244 reference voltage (v) amibient temperature ( o c) ap4301-d
dual opamp and voltage reference ap4301 9 march, 2003 advanced analog circuits data sheet rev.1.0 typical characteristics (continued) -40-20 0 20406080100120 0 5 10 15 20 25 30 input bias current (na) ambient temperature ( o c) 0 2 4 6 8 101214161820 60 70 80 90 100 110 voltage gain(db) supply voltage (v) r l =2k ? r l =20k ? figure10. input bias current vs. ambient temperature figure 11. op erational amplifier voltage gain
dual opamp and voltage reference ap4301 10 march, 2003 advanced analog circuits data sheet rev.1.0 typical application figure 12. typical application of ap4301 ac line smps r2 current sense r7 r8 battery pack + - + - r4 r3 opamp 2 opamp 1 v ref r5 r6 r1 opto isolator ap4301 7 5 6 4 2 3 1 8
dual opamp and voltage reference ap4301 11 march, 2003 advanced analog circuits data sheet rev.1.0 mechanical dimensions dip - 8 4 6 r0.75 6 . 6 0 0 . 5 0 0.457 0.254 0.13min 2.54 10.0max 0.280.07 1.460.31 7.620.25 4 6 5 3 . 3 0 0 . 3 0 9.20.10 30.150.05 0.7
dual opamp and voltage reference ap4301 12 march, 2003 advanced analog circuits data sheet rev.1.0 soic - 8 mechanical dimensions (continued) 8 d 4 4 3 2 r 0 . 1 5 r 0 . 1 5 1.00 0.420.09 4.90.10 1 . 5 5 0 . 2 0 0 . 2 0 . 1 0 0 . 9 0 0.8 6.000.20 0 . 2 2 0 . 0 3 0 . 7 0 0 . 0 2 5 0.32 0 . 2 0 3 . 9 0 0 . 1 0 7 7 8 20:1 d
ia low dropout linear regula tor az1117 advanced analog circuits http://www.aacmicro.com usa: 1510 montague expressway, san jose, ca 95131, usa tel: 408-433-9888, fax: 408-4 32-9888 china: 8th floor, zone b, 900 yi shan road, shanghai 200233, china tel: 86-21-6495-9539, fax: 86-21-6485-9673 ta iwa n: room 2210, 22nd fl, 333, keelung road, secretary 1, taipei, taiwan te l: 886-2-2564-3699, fax: 886-2-2564-3770 important notice advanced analog circuits corpor ation reserves the right to make changes to its products or spec ifications at any time, without notice, to improve design or performance a nd to supply the best possible product. adva nced analog circuits does not assume any responsibility for use of any ci rcuitry described other than th e circuitry embodied in advanced analog circuits' products. the company makes no representation that circui try described herein is fre e from patent infringement or other rights of advanced analog circuits corporation.

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