HC2410 Tone Ringer HSiN Semiconductor Pte Ltd www.hsin.com.sg 1. Overview The HC2410 is a bipolar integrated circuit designed for telephone bell replacement Low power dissipation Adjustable output tune Adjustable switching rate Built-in hysteresis prevents false triggering DIP8 2. Block Diagram and Pin Description 2.1 Block Diagram 1 Hysteresis 2 Regulator 5 3 Low Freq. High Freq. Output Oscillator Oscillator AMP 4 6 8 7 2.2 Pin Description Pin No. 1 2 3 4 Symbol VCC Description Supply Voltage TR Triggering Input CSf RSf Low Frequency Oscillation Capacitor Low Frequency Oscillation Resistance Pin No. 5 6 7 8 Page 1 of 3 Symbol GND RTf CTf OUT Description GND High Frequency Oscillation Resistance High Frequency Oscillation Capacitor Output 3. Electrical Characteristics 3.1 Absolute Maximum Ratings Unless otherwise specified, Tamb= 25 Parameter Symbol Supply Voltage VCC Power Dissipation PD Operating Temperature Tamb Storage Temperature Tstg Value 30 400 -25 ~ 75 -55 ~ 150 Unit V mW 3.2 Electrical Characteristics Unless otherwise specified, Tamb= 25 Parameter Symbol Supply Voltage Initiation Voltage Initiation Current Sustain Voltage Sustain Current Test Conditions VCC VINIT IINIT VSUST ISUST Output Level High VOH Output Level Low VOL Trigger Input Operation Voltage High Frequency 1 High Frequency 2 Low Frequency VCC=24V, I8= -10mA, V6=7V,V7=0V VCC=24V, I8=10mA, V7=7V, V6=0V Min Value Typ 17 1.4 9.7 0.7 19 2.5 11 1.4 Max 29.0 21 4.2 12 2.5 20.0 21.5 22.5 V 0.7 1.0 2.0 V VCC=15V, I2=100uA 9.0 10.5 12 V fH1 fH2 fSW RTF=191k, CTF=6800pF RTF=191k, CTF=6800pF RSF=165k, CSF=0.47uF 461 576 9 512 640 10 563 703 11 Hz Hz Hz 1 8 2 7 HC2410 3 22 C sf 6800pF R sf 5 165k 0.47 R tf 191k 6 4 F V V mA V mA VTR 4. Test Circuit C2 + Unit F Page 2 of 3 RL C tf Supply Current Icc (mA) 5. Characteristics Curve mA NO LOAD 3 2 1 10 0 20 30 V Supply Voltage Vcc (v) 6. Application Circuit C1 R1 T 1 F 2k C3 /250V 1 8 0.22 2 RSL 6.8k R C2 + 22 F /50V 7 HC2410 3 29V 6800pF 4 C sf 165k 0.47 F 100k R tf 191k 6 R sf F C tf 5 15 k 8 1300 7. Package Dimensions Page 3 of 3