SL5022

Semiconductor SL5022/P UNIVERSAL SPEECH NETWORK Description The SL5022/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 SL5022/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 • M UTE function • DC line voltage adjustment facility Ordering Information Type NO. SL5022 SL5022P Marking SL5022 SL5022 Package Code SOP16 DIP16 Outline Dimensions SOP16 DIP16 unit : mm KSI-W011-000 1 SL5022/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 12 MUTE DTMF 11 Attenuator Mute Logic RXGA 5 10 RXI Rxi Amp RXO 4 Rx Amp Mfi Amp MIC+ 7 6 MICTx Amp TXGA2 DTMF Amp Low Voltage Vcc 13 Bias Reference AGC 9 15 8 AGC REG 14 3 V L TXGA1 2 1 Mic Amp SLPE 16 VEE STAB KSI-W011-000 2 Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SL5022/P Description Positive power line and TX Amp output TX gain adjustment TX gain adjustment RX output RX gain adjustment MIC(-) input MIC(+) input Current stabilizer Ground Rx input DTMF signal input 'H' Mute input Internal power supply pin Voltage regulator decoupling Automation gain control input Slope(DC resistance) adjustment Symbol VL TXGA1 TXGA2 RXO RXGA MICMIC+ SRAB VEE RXI DTMF MUTE VCC REG AGC SLPE Electrical Characteristics Characteristics Symbol Test Condition ILine = 1mA ILine = 4mA Line Voltage VL ILine = 15mA ILine = 100mA ILine = 140mA Variation with temperature △VL/△T ILine = 15mA ILine = 15mA RVA(REG to SLPE) = 39K RVA ILine = 15mA RVA(VL to RE G) = 68K VCC Mute=High Ip=1.2mA Ip=0mA 2.2 3.5 2.7 3.4 64 32 V Min. 3.55 4.9 - Typ. 1.6 1.9 4 5.7 -0.3 Max. 4.25 6.5 7.5 - Unit V mV/k Voltage drop over circuit between VL & VEE with external resistor RAV - 4.5 - V Supply Voltage V MIC input impedance Zi( mic) Between MIC- & MIC+ MIC- or MIC+ to VKSI-W011-000 kΩ 3 SL5022/P Electrical Characteristics (continued) Characteristics Common mode Rejection Ratio TX Gain T X Gain frequency Response DTMF input impedance 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 DTMF Gain T X Gain variation range By AGC RX Gain variation range By AGC Highest line current for maximum gain Lowest line current for minimum gain Symbol CMRR(Tx) Gv(Tx) △ GTXF Zi(MF) GV(MF) △ GMF △ Gv.adj(Tx) T O(Tx) Vno(Tx) Zi(Rx) Zo(Rx) Gv(Rx) △ GTXF Vo(Rx) Vno(Rx) △ Gv.adj(Rx) VIH(Mute) VIL(Mute) IMute Matt(TX) Gv(DTMF) △ GTXA △ GRXA IHL(AGC) ILL(AGC) Test Conditions R7=68K, Vin=3mVrms f=300 ~ 3400Hz R7=68K, DTMF mode R7=68K, f=300~3400Hz R7 = 68k →25k THD=10% IL=4mA IL=15mA R7=68K Between pin6 & pin7=200 Ω R4=100k, RL=300 Ω f=300 ~ 3400Hz THD=2% R4=100K RL=150 Ω RL=450 Ω Min. 50.5 24 -12 1.7 29.5 0.22 0.3 -13 1.5 17 54 Typ. 82 52 ± 0.2 20.7 25.5 ± 0.2 -8 0.8 2.3 -69 21 4 31 ± 0.2 0.33 0.48 50 -11 8 70 -19 -5.8 -5.8 23 61 Max. 53.5 27 ± 0.5 -7 32.5 -9 VCC 0.3 15 26 73 Unit dB dB dB kΩ dB dB dB Vrms dBmp KΩ KΩ dB dB V µV dB V µA dB dB dB dB mA mA RL =300 R4=100 K IL= 15mA, Rxi=open R4=100K → 2 8K 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 R6=110k KSI-W011-000 4 Test Circuit C1 100U C3 4.7u Vi Vi C5 10U 11 DTMF 10 IR SL5022/P R6 RVA(down) C5 10U RVA(up) 16 SLPE 15 AGC 14 REG 13 Vcc 12 MUTE 9 VEE R1 620 SL5022 SL5022 SL5022P LN 1 GAS1 2 R7 100u C6 100p R9 20 C8 1n 68K Vo 25K C2 ZL GAS2 3 QR 4 C4 100p GAR 5 MIC6 MIC+ 7 STAB 8 C9 10u R4 100K C7 1n ILine 10~140mA Rno 200 C10 10u Vi R5 3.6K 600 Application Circuit C5 100U from dial and control circuits R6 16 SLPE 15 AGC C3 4.7u 14 REG 13 Vcc 12 MUTE 11 C5 100U 10 IR 9 VEE DTMF R1 620 SL5022 SL5022 SL5022P LN GAS1 2 GAS2 3 QR 4 C4 100p C6 100p R8 390 R9 20 C8 1n R7 68K R4 100K C2 C7 1n R5 3.6K GAR 5 MIC6 MIC+ 7 STAB 8 1 R10 13 R2 130K BZX79C12 R3 3.92K Zbol telephone line KSI-W011-000 5 Typical Performance Characteristics V 7 6 LN. SL5022/P Vcc vs LINE CURRENT V 5 4 LN VOLTAGE (V) Vcc 3 2 1 0 10 20 30 40 50 60 70 80 90 10 110 120 130 140 LINE CURRENT ( mA ) TRANSMIT GAIN vs LINE CURRENT 54 52 50 R6 = OPEN R6 = 140K R6 = 110K R6 = 78K GAIN (dB) 48 46 44 42 40 10 20 30 40 50 60 70 80 90 10 110 120 130 140 LINE CURRENT ( mA ) RECEIVE GAIN vs LINE CURRENT 34 R6 = OPEN 32 30 GAIN (dB) 28 R6 = 140K 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 ) KSI-W011-000 6