ksi-w006-002 1 sl5020/p low voltage compande r description the sl5020 contains two variable gain circui ts configured for compressing and expanding the dynamic range of an audio signal. one circ uit is configured as an expander, while the other circuit can be configured as a compressor or expander. each circuit has a full wave rectifier to provide average value information to a variable gain cell located in either the input stage or the feedback path. an internal temperature stable bandgap re ference provides the necessary precision voltages and currents required. it contains also compressor and expander mute circuit. features ? low voltage operation vopr = 1.8 ~ 5.0v ? decreasing external components ? built in compressor and expander mute circuit ? unity gain level set a 100mvrms ? response time adjustable ordering information type no. marking package code sl5020 sl5020 sop14 sl5020p sl5020 dip14 outline dimensions unit : mm . s s e e m m i i c c o o n n d d u u c c t t o o r r sop14 dip14 0.52 max. 5.87~6.17 3.76~3.96 0.27 max. 1.27 typ. 0.27 max. 1.24~1.44 0.46 min. 6.09~6.60 3.30 typ. 0.38 min. 7.62 typ. 0.35 max. 18.92~19.43 1.65 max. 2.54 typ. 0.56 max. 3.17~3.42 1 2 3 4 5 6 7 11 9 8 10 12 13 14 1 2 4 5 6 11 9 8 10 12 13 14 3 7 8.53~8.73
ksi-w006-002 2 maximum ratings (ta = 25 c) characteristics symbol rating unit supply voltage v cc 10 v power dissipation p d 410 mw storage temperature range t stg -55 ~ 150 operating conditions ? operating supply voltage : 1.8 ~ 5.0v ? operating temperature range : -20 ~ 70 ? input frequency range : 100hz ~ 20khz ? input voltage : compressor input = 700mvrms ( vcc=3v) expander input = 316mvrms block diagram sl5020/p 14 13 12 11 1 2 3 4 5 6 7 8 9 10 com.f/b ex p.in bia s - + rect gain gain rect mute mute - + - + - + vcc v ref vb gnd ex p.out ex p.mute ex p.fil vb vb com.out com.mute com.cf com.in com.fil
ksi-w006-002 3 pin voltage and description pin no name voltage (v) description 1 v ref 1.3 bandgap voltage 2 exp.mute 1.4 expander mute adjust. 3 exp.filter 0 ~ 0.6 expander filter. connect to an exte rnal capacitor to filter the full wave rectifier's output. this capaci tor affects attack & delay times, as well as low frequency accuracy. 4 exp.output 1.5 output of the expander amplifier 5 exp.input 1.5 expander input. nominally signal range is 3.16mvrms to 316mvrms. must be capacitor co upled to the signal source 6 vb 2.2 an internal reference voltage. this is an ac ground, and must be well filtered to obtain high power supply rejection and low crosstalk. 7 gnd gnd ground 8 com.feedback 1.5 input to the compressor variab le gain stage and rectifier. 9 com.cf 1.5 normally, this is connected to the compressor's output through filtered dc feedback path. 10 com.input 1.5 compressor input, normally. signal range is 100uvrms to 1.0vrms. must be capacitor couple d to the signal source 11 com.output 1.5 output of the compressor amplifier. 12 com.filter 0~0.6 compressor filter. connect to an exte rnal capacitor to filter the full wave rectifier's output. this capaci tor affects attack & decay times, and low frequency accuracy 13 com.mute 1.4 compressor mute adjust. 14 vcc 3 power supply pin. connect to po wer supply providing between 1.8 and 5.0 v electrical characteristics (unless otherwise specified, ta=25 c , vcc=3v, f=1khz) characteristics symbol test conditions min. typ. max. unit supply current icc no signal - 3.1 - ma compressor section 0 db gain g c0 vinc= 100mvrms, 0db -1.5 0 1.5 db gain error (note 1) g c1 g c2 g c3 g c4 vinc= 316mvrms, 10db vinc= 10mvrms, -20db vinc= 1mvrms, -40db vinc= 100uvrms, -60db -1 -1 -1 -1 0 0 0 0 1 1 1 1 db db db db distortion thdc vinc=100mvrms, f=1khz 0.3 1.5 % noise output vnoc rg = 600 ? - 0.8 5.0 mvrms ripple rejection ratio rrc vcc = 1khz, 3v(dc), 100mvrms - -25 -18 db sl5020/p
ksi-w006-002 4 electrical characteristics(continued) (unless otherwise specified, ta=25 c , vcc=3v, f=1khz) characteristics symbol test conditions min. typ. max. unit crosstalk(c e) ctc vinc=100mvrms. exp output - -72 -50 db muting attenuation attc vinc= 100mvrms. vpin13=gnd - -65 -50 db input impedance rinc pin 10 - 20 - k ? expander section 0 db gain ge0 vine=100mvrms 0db -1.5 0 1.5 db gain error (note 1) ge 1 ge 2 ge 3 ge 4 vine=178mvrms 5db vine=31.6mvrms -10db vine=10mvrms -20db vine=3.16mvrms -30db -1 -1 -1 -1 0 0 0 0 1 1 1 1 db db db db distortion thde vine=100m vrms f=1khz - 0.4 1.5 % noise output vnoe rg = 600 ? - 0.06 5.0 mvrms ripple rejection ratio rre vcc=1khz , 3v(dc), 100mvrms - -58 -38 db crosstalk(e c) cte vine=100mvrms, com output - -34 -24 db muting attenuation a tte vine=316mvrms, vpin2=gnd - -70 -50 db input impedance rine pin4 - 4.3 - k ? (note 1) gain error=(v out - 20db) -v in x k k : compressor = 0.5 expander = 2 sl5020/p
ksi-w006-002 5 test circuit application circuit sl5020/p 1 ? 2.2 ? + + vcc 10u sw1 + + + + + + + + 1 ? 10k 1 ? 10 ? 1 ? 1 ? 2.2 ? 10 ? sw2 ex p. out vine vinc com.out ex p mute ex p out ex p in mute com. com.out com.in 1 2 3 4 5 6 7 8 14 13 12 11 10 9 + + vcc 10 ? + + + + 2.2 ? 1 ? 10k 1 ? 10 ? 1 ? com.in com.out + + + + 1 ? 4.7 ? 2.2 ? 10 ? ex p. out ex p.in mute vb vb gain rect - + mute gain rect - + vb gnd vref 0.1 ? com.mute 10k ex p. mute 1 2 3 4 5 6 7 8 14 13 12 11 10 9
ksi-w006-002 6 typical performance characteristics sl5020/p v cc - icc icc (ma) vcc (v) 0 1 2 3 4 5 123456 8 7 6 vcc - vref vcc (v) vref (v) 123456 1.6 7 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 v cc - v out (expander) vcc (v) vout (dbv) 1234567 0 -21 -20 -19 -18 vcc - vout (compressor) vcc (v) vout (dbv) 1234567 0 -22 -21 -20 -19
ksi-w006-002 7 typical performance characteristics(continued) sl5020/p vout (mv) vin (db) -30 -20 -10 0 10 -40 -20 0 20 vin - vout (compressor) -60 rejection (db) frequency (hz) -10 0 10 20 40 100 1k 10k 100k p.s.r.r (compressor) 10 30 c b =100u f c b =47u f c b =10u f c b =4.7u f vout (db) frequency (hz) -40 -30 -20 -10 100 1k 10k 100k f in - v out (compressor) 20k 0 vin=100mvrms vin=10mvrms vin=1mvrms v in =100u v rms thd (%) vin (dbv) -50 -30 -10 -20 v in - thd (compressor) -70 -60 -40 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
ksi-w006-002 8 typical performance characteristics(continued) sl5020/p vout (mv) vin (db) -60 -40 -20 0 20 -20 -10 0 10 vin - vout (expander) -30 rejection (db) frequency (hz) 20 30 40 50 70 100 1k 10k 100k p.s.r.r (expander) 10 60 c b =100u f c b =47u f c b =10u f c b =4.7u f vout (db) frequency (hz) -80 -60 -40 -20 100 1k 10k 100k f in - v out (expander) 20k 0 vin=100mvrms vin=10mvrms vin=3.16mvrms thd (%) vin (dbv) -30 -20 -10 -15 v in - thd (expander) -40 -35 -25 -5 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0
ksi-w006-002 9 sl5020/p the auk corp. products are intended for the use as components in general electronic equipment (office and co mmunication equipment, m easuring equipment, home appliance, etc.). please make sure that you consult with us before you use these auk corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to th e welfare of human life(atomi c energy control, airplane, spaceship, transportation, co mbustion control, all types of safety device, etc.). a uk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equi pments without prior consultation with au k corp.. specifications mentioned in this publicati on are subject to change without notice.
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