1 standard ics dual operational amplifier ba4558 / ba4558f / BA4558N the ba4558, ba4558f, and BA4558N are monolithic ics with two operational amplifiers featuring low power con- sumption and internal phase compensation mounted on a single silicon chip. these products offer high speed, a wide band width, and low noise. outstanding thermal characteristics and voltage gain band width make these ics ideal for use in a wide variety of electronic circuits. the ba4558 comes in an 8-pin dip package and is compatible with the 4558 operational amplifi- er. the ba4558f comes in an 8-pin sop package, and the BA4558N in an 8-pin sip package. applications active filters audio amplifiers vcos other electronic circuits block diagram 1ch 2ch v cc out2 ?in2 + in2 out1 ?in1 + in1 v ee 4 3 2 1 8 7 5 6 + 1ch 2ch out1 1 ?in1 2 + in1 3 v ee 4 + in2 5 ?in2 6 out2 7 v cc 8 + + ba4558 / ba4558f BA4558N + features 1) low power dissipation of approximately 50mw (typ.). 2) built-in output short-circuit protection circuit. 3) internal phase compensation. 4) no latch-up. 5) wide range of common mode and differential volt- age. 6) high gain and low noise.
2 standard ics ba4558 / ba4558f / BA4558N internal circuit configuration v cc ?in + in v ee r 1 r 9 r 8 r 7 r 6 r 5 r 4 r 3 r 2 q 5 q 13 q 15 q 11 q 12 q 14 q 8 q 9 q 10 q 6 q 4 q 3 q 2 q 1 q 7 out d absolute maximum ratings (ta = 25?) parameter symbol limits unit ba4558 ba4558f BA4558N power supply voltage v cc 18 18 18 v power dissipation 800 * 550 * 900 * mw differential input voltage v id 30 30 30 v common-mode input voltage v i 15 15 15 v operating temperature topr ?40 ~ + 85 ?40 ~ + 85 ?40 ~ + 85 c storage temperature ?55 ~ + 125 ?55 ~ + 125 ?55 ~ + 125 c pd tstg * refer to pd characteristics diagram. the values for the ba4558f are those when it is mounted on a glass epoxy board ( 50mm 50mm 1.6mm) .
3 standard ics ba4558 / ba4558f / BA4558N electrical characteristics (unless otherwise noted, ta = 25?, v cc = + 15v, v ee = ?15v) parameter symbol typ. max. unit input offset voltage v io 0.5 6.0 mv r s % 10k w input offset current i io 5 200 na input bias current i b 60 500 na high-amplitude voltage gain a v 86 100 db common-mode input voltage v icm 12 14 v maximum output voltage v oh 12 14 v r l ^ 10k w minimum output voltage v ol 10 13 v r l ^ 2k w common-mode rejection ratio cmrr 70 90 db r s % 10k w power supply voltage rejection ratio psrr 30 150 m v / v r s % 10k w slew rate s.r. 1.0 v / m s channel separation cs 105 db f = 1khz conditions min. r l ^ 2k w , v o = 10v a v = 1, r l ^ 2k w electrical characteristic curves fig.1 power dissipation vs. ambient temperature ambient temperature: ta ( c) power dissipation: pd (mw) 1200 1000 800 600 400 200 0 0 25 50 75 85 100 125 150 BA4558N ba4558f ba4558 4 5 3 2 0 10 20 power supply voltage: v (v) quiescent current: i q ( ma) fig.2 quiescent current vs. power supply voltage 1m 10m 120 100 80 60 40 20 0 1 10 100 1k 10k 100k frequency: f (hz) open loop gain: a v ( db) fig.3 open loop voltage gain vs. frequency 32 28 24 20 16 12 8 4 0 100 1k 10k 100k 1m frequency: f (hz) maximum output voltage: v om (v) fig.4 maximum output voltage vs. frequency 100 80 60 40 200 20406080 ambient temperature: ta ( c) input bias current: i b (ma) fig.5 input bias current vs. ambient temperature 100 75 50 25 010203040 power supply voltage: v + (v) input bias current: i b (na) fig.6 input bias current vs. power supply voltage
4 standard ics ba4558 / ba4558f / BA4558N + 5 0 ?5 ?5 0 5 0 20406080 time ( m s) input voltage output voltage v in (v) v out (v) fig.7 output response characteristics 20 10 0 ?10 ?20 0 10 20 common mode input voltage: v icm (v) power supply voltage: v (v) fig.8 common mode input voltage vs. power supply voltage operation notes (1) unused circuit connections if there are any circuits which are not being used, we recommend making connections as shown in figure 9, with the non-inverted input pin connected to the poten- tial within the in-phase input voltage range (v icm ). v cc v ee to potential in v icm + fig.9 unused circuit connections
5 standard ics ba4558 / ba4558f / BA4558N external dimensions (units: mm) ba4558 ba4558f BA4558N dip8 sop8 sip8 0.5 0.1 3.2 0.2 3.4 0.3 85 14 9.3 0.3 6.5 0.3 0.3 0.1 0.51min. 2.54 0 ~ 15 7.62 0.4 0.1 1.27 0.15 0.3min. 0.15 0.1 0.11 6.2 0.3 4.4 0.2 5.0 0.2 85 4 1 1.5 0.1 10.5 0.5 1 8 2.54 3.5 0.5 1.3 0.8 0.6 0.3 0.1 2.8 0.2 19.3 0.2 1.2 5.8 0.2
appendix appendix1-rev1.0 the products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. notes no technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of rohm co.,ltd. the contents described herein are subject to change without notice. the specifications for the product described in this document are for reference only. upon actual use, therefore, please request that specifications to be separately delivered. application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. rohm co.,ltd. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by rohm co., ltd. is granted to any such buyer. products listed in this document use silicon as a basic material. products listed in this document are no antiradiation design. about export control order in japan products described herein are the objects of controlled goods in annex 1 (item 16) of export trade control order in japan. in case of export from japan, please confirm if it applies to "objective" criteria or an "informed" (by miti clause) on the basis of "catch all controls for non-proliferation of weapons of mass destruction.
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