TSC TS31002 Technical data

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TS31002

Pin assignment:

1. Vcc 5. Gnd

2. Rsl 6. Hfo

3. Lfi 7. Hfi

4. Lfo 8. Out

Tong Ringer

Operating Voltage 13 to 36V

Ringing Start Voltage 36V (max.)

General Description

The TS31002 is a bipolar integrated circuit designed for telephone bell replacement.

Features

 Designed for Telephone Bell Replacement

 Low Current Drain

 Adjustable 2-frequency Tone

 Adjustable Warbling Rate

Ordering Information

Part No. Operating Temp. Package

TS31002CD DIP-8

TS31002CS

-20 ~ +70

o

C

SOP-8

 Extension Tone Ringer Modules

 Alarms or Other Alerting Devices

 Adjustable for Reduced Supply Initiation Current.

 Built-in hysteresis prevents false triggering and rotary

dial ‘Chirps’

Block Diagram

TS31002 1-6 2004/09 rev. B

Absolute Maximum Rating

Description Symbol Value Unit

DC Supply Voltage (Referenced to GND) VCC + 36 V

Power Dissipation in Still Air Plastic DIP PD 400 mW

Switch Collector Voltage Tstg -65 to +150

Note: * Maximum Ratings are those values beyond which damage to the device may occur.

Functional operation should be restricted to the Recommended Operating Conditions.

o

C

Recommended Operating Conditions

Description Symbol

Operating Voltage Vopr

Operating Temperature TA

Min Max

13 36

-45 +65

Unit

V

o

C

Note: This device contains protection circuitry circuitry to guard against damage due to high static voltages or electric

fidlds. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to
this high-impedance circuit. For proper operation, V

and V

IN

OUT

GND≦(VIN or V

should be constrained to the range

≦Vcc.

OUT)

Unused inputs must always be tied to an appropriate logic voltage level (e.g.,either GND or Vcc). Unused outputs must
be left open.

Electrical Characteristics (Voltages Referenced to GND,T

Parameter

Symbol

Test Conditions Min Typ Max Unit

=-20 to +70

A

o

C)

Initiation Supply Voltage (1) VSI See Figure 2 16.8 -- 21.2 V

Initiation Supply Current (1) ISI See Figure 2 1.4 -- 4.2 mA

Sustaining Voltage (1) V

Sustaining Current I

See Figure 2 9.5 -- 12.2 V

SUS

See Figure 2

SUS

0.7 -- 2.5 mA

Vcc=21V,IOH=-15mA,

High-Level Output Voltage VOH

16.7 -- 21.0 V

Pin6=6V, Pin7=GND

Low-Level Output Voltage VOL

-- -- 1.8 V

Pin6= GND, Pin7=6V

Pin3 =6V, Pin4 =GND, Vcc=21V -- -- 1.0

Maximun Input Leakage Current IIN

Pin7 =6V, Pin6 =GND, Vcc=21V -- -- 1.0

High Frequency 1 FH1 R3 =191KΩ,C3 =6800pF 461 -- 563 HZ

High Frequency 2 FH2 R3 =191KΩ,C3 =6800pF 576 -- 704 HZ

Low Frequency FL R2 =165KΩ,C2 =0.47uF 9.0 -- 11.0 HZ

Ringing Start Voltage (4) Vtr See Figure 1 -- -- 36 V

Vcc=21V,IOL=15mA,

Notes : 1. Initiation supply voltage (V

2. Sustaining voltage (V

) is the supply voltage required to start the tone ringer oscillating.

SI

) is the supply voltage required to maintain oscillation.

SUS

3. Ringing start voltage is the value of AC supply voltage required to start the tone ringer ringing in FIG.3

4. This product is not designed for protection against radioactive rays.

5. All data and specifications are subject to change without notice.

TS31002 2-6 2004/09 rev. B

μA

μA