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Part: MC34017P
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MC34017 Telephone Tone Ringer
Bipolar
· · · · · · · TELEPHONE TONE RINGER
BIPOLAR LINEAR/I2L
SEMICONDUCTOR TECHNICAL DATA
Linear/I2L
Complete Telephone Bell Replacement Circuit with Minimum External Components OnChip Diode Bridge and Transient Protection Direct Drive for Piezoelectric Transducers Push Pull Output Stage for Greater Output Power Capability Base Frequency Options MC340171: 1.0 kHz MC340172: 2.0 kHz MC340173: 500 Hz Input Impedance Signature Meets Bell and EIA Standards Rejects Rotary Dial Transients
8 1
D SUFFIX PLASTIC PACKAGE CASE 751
8 1
Typical Application
160 k C 15 k 2.2 µF 3.0 V 5 RS AC1 1 RO1 2 MC34017X 1.0 µF Tip 6.8 k AC1 1 RO1 2 RO2 3 RI 4 RI 4 RO2 3
P SUFFIX PLASTIC PACKAGE CASE 626 5.0 µF 25 V
PIN CONNECTIONS
8 AC2 Ring
7 RG
6 RC
8 AC2 7 RG
6 RC 5 RS (Top View)
ORDERING INFORMATION
MC340171: C = 1000 pF MC340172: C = 500 pF MC340173: C = 2000 pF Piezo Sound Element Device MC34017D MC34017P Operating Temperature Range TA = 20° to +60°C Package SOIC Plastic DIP
This device contains 97 active transistors and 79 gates.
© Motorola, Inc. 1996
MOTOROLA ANALOG IC DEVICE DATA
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MC34017
MAXIMUM RATINGS (Voltages Referenced to RG, Pin 7)
Rating Operating AC Input Current (Pins 1, 8) Transient Input Current (Pins 1, 8) (T<2.0 ms) Voltage Applied at RC (Pin 6) Voltage Applied at RS (Pin 5) Voltage Applied to Outputs (Pins 2, 3) Power Dissipation (@ 25°C) Operating Ambient Temperature Storage Temperature
NOTE: ESD data available upon request.
Symbol Vin VRC VRS VO PD TA Tstg
Value 20 ±300 5.0 5.0 2.0 to VRI 1.0 20 to +60 65 to +150
Unit mA, RMS mA, peak V V V W °C °C
ELECTRICAL CHARACTERISTICS (TA = 25°C)
Characteristic Ringing Start Voltage VStart = VI at Ring Start VI > 0 VI < 0 Ringing Stop Voltage VStop = VI at Ring Stop MC340171 MC340172 MC340173 Output Frequencies (VI = 50 V) MC340171 High Tone MC340171 Low Tone MC340171 Warble Tone MC340172 High Tone MC340171 Low Tone MC340171 Warble Tone MC340173 High Tone MC340171 Low Tone MC340171 Warble Tone Output Voltage (VI = 50 V) Output ShortCircuit Current Input Diode Voltage (II = 5.0 mA) Input Voltage SCR "Off" (II = 30 mA) Input Voltage SCR "On" (II = 100 mA) RS Clamp Voltage (VI = 50 V) Test Symbol Min Typ Max Unit Vdc 1a 1b 1c VStart (+) VStart () VStop 14 12 14 1d fH fL fW fH fL fW fH fL fW 6 2 3 4a 4b 5 VO IRO1, IRO2 VD Voff Von Vclamp 937 752 11.5 1874 1504 11.5 937 752 23 34 35 5.4 30 3.2 1.3 1010 808 12.5 2020 1616 12.5 1010 808 25 37 60 6.2 38 4.1 1.5 1083 868 14 2166 1736 14 1083 868 28 43 80 6.8 43 6.0 1.8 Vpp mApp Vdc Vdc Vdc Vdc 16 14 16 22 20 22 Hz 34 34 37.5 37.5 41 41 Vdc
PIN FUNCTION DESCRIPTION
Pin 1, 8 5 4 2, 3 7 6 Symbol AC1, AC2 RS RI RO1, RO2 RG RC Description The input terminals to the fullwave diode bridge. The ac ringing signal from the telephone line energizes the ringer through this bridge. The input of the threshold comparator to which diode bridge current is mirrored and sensed through an external resistor (R3). Nominal threshold is 1.2 V. This pin internally clamps at 1.5 V. The positive supply terminal for the oscillator, frequency divider and output buffer circuits. The tone ringer output terminals through which the sound element is driven. The negative terminal of the diode bridge and the negative supply terminal of the tone generating circuitry. The oscillator terminal for the external resistor and capacitor which control the tone ringer frequencies (R2, C2).
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MOTOROLA ANALOG IC DEVICE DATA
MC34017
APPLICATION CIRCUIT PERFORMANCE (Refer to Typical Application)
Characteristic Output Tone Frequencies MC340171 MC340172 MC340173 Warble Frequencies Output Voltage (VI 60 Vrms, 20 Hz) Output Duty Cycle Ringing Start Input Voltage (20 Hz) Ringing Stop Input Voltage (20 Hz) Maximum AC Input Voltage ( 68 Hz) Impedance When Ringing VI = 40 Vrms, 15 Hz VI = 130 Vrms, 23 Hz Impedance When Not Ringing VI = 10 Vrms, 24 Hz VI = 2.5 Vrms, 24 Hz VI = 10 Vrms, 5.0 Hz VI = 3.0 Vrms, 200 3200 Hz Maximum Transient Input Voltage (T 2.0 ms) Ringer Equivalence: Class A Ringer Equivalence: Class B Typical Value 808/1010 1616/2020 404/505 12.5 37 50 36 21 150 >16 12 28 >1.0 55 >200 1500 0.5 0.9 k M k k V Vpp % Vrms Vrms Vrms k Units Hz
Block Diagram
C4 RI 4 R1 Tip C1 AC1 1 Input Current Mirror Diode Bridge
Ring
AC2 8 SCR Transient Clamp 22 V Bias
Push Pull Output Buffer Oscillator RC C2 6 R2 Tone Frequency Divider
RO1 2 RO2 3
Piezo Sound Element
B
Ref Threshold Comparator RG 7
RS 5 R3 C3
B
Warble Frequency Divider
MOTOROLA ANALOG IC DEVICE DATA
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