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Freescale Semiconductor Electronic Components Datasheet

MC34017A Datasheet

Telephone Tone Ringer Bipolar Linear/I2L

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MC34017A pdf
Freescale Semiconductor
Technical Data
Telephone Tone Ringer
Bipolar Linear/I2L
Features
• Complete Telephone Bell Replacement Circuit with Minimum
External Components
• On-Chip Diode Bridge and Transient Protection
• Direct Drive for Piezoelectric Transducers
• Push Pull Output Stage for Greater Output Power Capability
• Base Frequency Options
• 34017A-1: 1.0 kHz
• 34017A-2: 2.0 kHz
• 34017A-3: 500 Hz
• Input Impedance Signature Meets Bell and EIA Standards
• Rejects Rotary Dial Transient
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MC34017A
Rev 3.0, 3/2006
34017A
TELEPHONE TONE RINGER
BIPOLAR LINEAR/I2
D SUFFIX
98A42564B
8-LEAD SOIC
P SUFFIX
98A42420B
8-LEAD DIP
ORDERING INFORMATION
Device
MC34017AD/DR2
MC34017AP
Temperature
Range (TA)
-20°C to 60°C
Package
8 SOIC
8 Plastic DIP
Ring
1.0 mF
Tip
6.8 K
160 K
C
15 K
23+..02 VmF
87 6
AC2 RG RC
5
RS
5.0 mF
25 V
34017A
AC1 R01 R02 RI
12 3 4
34017A-1: C=1000 pF
34017A-2: C=500 pF
34017A-3: C=2000 pF
Piezo Sound
Element
This device contains 97 active transistors and 79 gates
Figure 1. 34017A Simplified Application Diagram
There are no disclaimers required on the Final publication of a data sheet.
© Freescale Semiconductor, Inc., 2006. All rights reserved.



Freescale Semiconductor Electronic Components Datasheet

MC34017A Datasheet

Telephone Tone Ringer Bipolar Linear/I2L

No Preview Available !

MC34017A pdf
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
Figure 2. 34017A Simplified Internal Block Diagram
34017A
2
Analog Integrated Circuit Device Data
Freescale Semiconductor



Freescale Semiconductor Electronic Components Datasheet

MC34017A Datasheet

Telephone Tone Ringer Bipolar Linear/I2L

No Preview Available !

MC34017A pdf
TERMINAL CONNECTIONS
AC1 11
R01 2
R02 3
RI 4
8 AC2
7 RG
6 RC
5 RS
TERMINAL CONNECTIONS
Figure 3. 34017A Terminal Connections
Table 1. 34017A Terminal Definitions
Terminal Terminal Terminal
Number
Name
Function
Formal
Name
Definition
1, 8 AC1, AC2
5 RS
4 RI
2, 3 RO1, RO2
7 RG
6 RC
The input terminals to the full-wave 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 Terminal
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).
Analog Integrated Circuit Device Data
Freescale Semiconductor
34017A
3




Part Number MC34017A
Description Telephone Tone Ringer Bipolar Linear/I2L
Maker Freescale Semiconductor
Total Page 16 Pages
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