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Datasheet File OCR Text: |
Semiconductor SL5021/P UNIVERSAL SPEECH NETWORK Description The SL5021/P can fulfill the standards of other countries by changing the external component. Dynamic or piezoelectric type can be used with receiver Each gain is controlled with AGC in accordance with the line current. The SL5021/P can be operated down to DC line 1.6V Features * Independent adjustment of DC resistance and AC impedance. * Voltage regulator with adjustable static resistance * Symmetrical high-impedance inputs for dynamic magnetic or piezo-electric microphones * Receiving amplifier for dynamic magnetic or piezo-electric earpieces * DTMF signal interface * Low DC line voltage : operated down to 1.6V * Mute function * DC line voltage adjustment facility Ordering Information Type NO. SL5021 SL5021P Marking SL5021 SL5021 Package Code SOP16 DIP16 Outline Dimensions SOP16 DIP16 unit : mm KSI-W010-000 1 SL5021/P Absolute Maximum Ratings Characteristic Line Voltage Line Current Power Dissipation Operating Temperature Storage Temperature (Ta = 25 C) Symbol VL IL PD Topr Tstg Rating 12 140 666 -25 ~ +70 -40 ~ +125 Unit V mA mW C C Block Diagram MUTE 11 10 RXI DTMF Attenuator Rxi Amp Mute Logic RXGA 5 RXO 12 4 Mfi Amp MIC+ 7 6 MICDTMF Amp Vcc 13 Bias Reference VEE AGC 9 15 8 AGC STAB REG 14 Low Voltage Mic Amp Rx Amp TXGA1 2 VL 1 Tx Amp SLPE 16 TXGA2 3 PIN Description Pin No. 1 2 3 4 5 6 7 Symbol VL TXGA1 TXGA2 RXO RXGA MICMIC+ Description Positive power line and TX Amp output TX gain adjustment TX gain adjustment RX output RX gain adjustment Mic(-) input Mic(+) input KSI-W010-000 2 SL5021/P PIN Description (continued) Pin No. 8 9 10 11 12 13 14 15 16 Symbol SRAB VEE RXI DTMF MUTE VCC REG AGC SLPE Current stabilizer Ground Rx input DTMF signal input 'H' Mute input Internal power supply pin Voltage regulator decoupling Automation gain control input Description Slope(DC resistance) adjustment Electrical Characteristics Characteristics Symbol Test Conditions ILine = 1mA ILine = 4mA Line Voltage VL ILine = 15mA ILine = 100mA ILine = 140mA Variation with Temperature Voltage drop over circuit between VL & VEE with external resistor RAV aVL/aT ILine = 15mA ILine = 15mA RVA(RE G to SLPE) = 39k ILine = 15mA RVA(V L to REG) = 68k Mute=High Ip=1.2mA Ip=0mA Min. 3.55 4.9 - Typ. 1.6 1.9 4 5.7 (-)0.3 4.5 Max. 4.25 6.5 7.5 - Unit V mV/k V RVA 2.2 50.5 - 3.5 2.7 3.4 64 32 82 52 0.2 20.7 53.5 - V Supply Voltage VCC V MIC input impedance Common mode Rejection Ratio TX Gain TX Gain frequency Response DTMF input impedance Zi( mic) Between MIC- & MIC+ MIC- or MIC+ to VR7=68K, Vin=3mVrms f=300 ~ 3400Hz KSI-W010-000 kU CMRR(T X) Gv(T X) aGTXF ZI(MF) dB dB dB kU 3 SL5021/P Electrical Characteristics Characteristics DTMF Gain DTMF Gain Response TX Gain Adjustment TX Dynamic output Voltage TX noise output Voltage RX input impedance RX output impedance RX Gain RX Gain Frequency Response RX Dynamic output voltage RX noise output voltage RX Gain adjustment Mute input voltage Mute input current Mute Attenuation Symbol GV(MF) aGMF Test Conditions R7=68k, DTMF mode R7=68k f=300~3400Hz Min. 24 (-)12 Typ. 25.5 0.2 (-)8 0.8 2.3 (-)69 21 4 31 0.2 0.33 0.48 50 (-)11 8 70 Max. 27 5 (-)7 32.5 (-)9 Vcc 0.3 15 - Unit dB dB dB Vrms aGvad(T X) R7 = 68k25k To(T X) THD=10% IL=4mA IL=15mA 1.7 29.5 - Vno(T X) Zi(RX) Zo(RX) Gv(RX) aGTXF Vo(RX) R7=68k Between pin6 & pin7=200 U R4=100k, RL=300 U f=300 ~ 3400Hz THD=2% R4=100k RL=150 U RL=450 U dBm kU kU dB dB V 0.22 0.3 (-)13 1.5 - Vno(RX) RL=300 R4=100K IL= 15mA, Rxi=open V dB V A dB aGv.adj(RX) R4=100k 28K VIH(Mute) VIL(Mute) IMute Matt(TX) MIC+ or MIC- to VL (CCIT weighted) voltage gain from DTMF to Rxo R6 = 110k IL=15mA ~ 70mA R6=110k IL=15mA ~ 70mA R6=110k DTMF Gain TX Gain variation range By AGC RX Gain variation range By AGC Highest line current For maximum gain Lowest line current For minimum gain Gv(DTMF) - 70 - dB aGTXA - (-)5.8 - dB aGRXA - (-)5.5 - dB IHL(AGC) 17 23 26 mA ILL(AGC) R6=110k 54 61 73 mA KSI-W010-000 4 SL5021/P Test Circuit R6 C3 R V A ( d o w n ) 4.7u RVA(up) Vi Vi C5 C 5 10U 10U 16 15 14 13 12 11 10 9 S L P EA G C R E GV c c M U T E T M F R V E E D I SL5021 SL5021 SL5021P R1 620 100u ILine 10~140mA600 R 9 20 LN G A S 1 A S 2 Q R G A R M I C - M I C +S T A B G 1 2 3 4 C45 6 7 8 100p R7 C9 C6 68K 25K2 10u R n o C 1 0 3.6K 100p 200 10u R 5 C R4 C7 C8 V o Z L 100K1n Vi 1n Application Circuit C5 100U from dial and control circuits C5 C3 R 6 4.7u 100U 16 15 14 13 12 11 10 9 S L P E G C REGV c c M U TD T M FR V E E A E I R1 620 R10 13 BZX79C12 telephone line R2 130K R8 R 3 390 3.92K Zbol SL5021 SL5021 SL5021P LN G A S G A S 2 R G A R 1 Q MIC-MIC+ T A B S 1 2 3 4 C 45 6 7 8 100p C6 R7 R5 100p 68K R4 3.6K 100K C8 1n C2 KSI-W010-000 5 SL5021/P Typical Performance Characteristics VL NV c cV S L I N E C U R R E N T . 7 6 5 4 3 2 1 0 VOLTAGE (V) VL N Vcc 10 20 30 40 50 60 70 80 90 10 110 120 130 140 LINE CURRENT ( mA ) T R A N S M I T V AL NN E C U R R E N T GS II 54 52 50 48 46 44 42 40 10 R6 = OPEN R6 = 110K R6 = 78K R6 = 140K GAIN (dB) 20 30 40 50 60 70 80 90 10 110 120 130 140 LINE CURRENT ( mA ) R E C E I V E G A IL I N E C U R R E N T VS N 34 R6 = OPEN 32 30 R6 = 140K 28 R6 = 78K R6 = 110K 26 24 22 20 10 20 30 40 50 60 70 80 90 10 110 120 130 140 LINE CURRENT ( mA ) GAIN (dB) KSI-W010-000 6 |
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