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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 * MUTE 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 10 RXI Attenuator Rxi Amp Mfi Amp MIC+ 7 6 MICDTMF Amp Low Voltage Bias Reference VEE 9 AGC 15 AGC STAB 8 14 REG Mic Amp Mute Logic RXGA 5 RXO 4 R x A m pT X G A 1 2 VL 1 SLPE 16 Tx Amp TXGA2 3
Vcc 13
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 aVL/aT 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
kU
3
SL5022/P
Electrical Characteristics (continued)
Characteristics
Common mode Rejection Ratio TX Gain TX 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 TX 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) aGTXF Zi(MF) GV(MF) aGMF aGv.adj(Tx) T O(Tx) Vno(Tx) Zi(Rx) Zo(Rx) Gv(Rx) aGTXF Vo(Rx) Vno(Rx) aGv.adj(Rx) VIH(Mute) VIL(Mute) IMute Matt(TX) Gv(DTMF) aGTXA aGRXA 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 U R4=100k, RL=300 U f=300 ~ 3400Hz THD=2% R4=100K RL=150 U RL=450 U
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 kU dB dB dB Vrms
dBmp KU KU dB dB V V dB V A dB dB dB dB mA mA
RL =300 R4=100 K IL= 15mA, Rxi=open R4=100K 28K 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 R6 C3 R V A ( d o w n ) 4.7u Vi C5 C5 10U 10U RVA(up) 16 15 14 13 12 11 10 S L P EA G C R E G V c c M U T E T M FI R D
SL5022 SL5022 SL5022P
SL5022/P
Vi
9 VEE
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 C4 5 6 7 8 100p R7 C9 C6 10u R n o C 1 0 R 5 100p 68K 25K R 4 C 7 200 10u 3.6K C2 C8 V o Z L 100K1n Vi 1n
Application Circuit C5 100U from dial and control circuits
C5 C3 R6 4.7u 100U 16 15 14 13 12 11 10 9 S L P A G CR E GV c c M U T D T MIR V E E E E F R1 620
SL5022 SL5022 SL5022P
+ LN G A S 1 A S 2Q R G A RM I C -M I CS T A B G R10 1 2 3 4 C4 5 6 7 8 13 100p R2 C6 R7 130K R5 100p 68K R4 3.6K R8 R3 390 100K C8 t e l e p h o n e 3.92K R9 1n C7 line Z b o l 20 C2 1n BZX79C12
KSI-W011-000
5
Typical Performance Characteristics
SL5022/P
VL NV c c v 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 )
TRANSMIT GAIN vs LINE CURRENT 54 52 50 48 46 44 42 40 10 R6 = OPEN R6 = 140K
GAIN (dB)
R6 = 110K R6 = 78K
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 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-W011-000
6

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