NJM2521 3-INPUT 1-OUTPUT AUDIO SWITCH GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2521 is 58k input impedance 3-input 1-output audio switch. It contains two bias-type inputs and one buffer-type output. FEATURES NJM2521M NJM2521D Operating Voltage ( +4.75V~+13V ) Crosstalk ( -70dB typ. ) Input Impedance ( 58k typ. ) 3-Input,1-Output Bipolar Technology Package Outline DIP8,DMP8,SSOP8 NJM2521V PIN CONFIGURATION PIN FUNCTION 1. Vin1 2. SW1 3. Vin2 4. SW2 5. Vin3 + 6. V 7. Vout 8. GND NJM2521D NJM2521M NJM2521V Ver.2003-09-12 -1- NJM2521 ABSOLUTE MAXIMUM RATINGS ( Ta=25C ) PARAMETER SYMBOL RATINGS UNIT + Supply Voltage V +15 V ( DIP8 ) 500 Power Dissipation P mW D ( DMP8 ) 300 ( SSOP8 ) 250 Operating Temperature Range T -20~+75 C opr Storage Temperature Range T -40~+125 C stg ELECTRICAL CHARACTERISTICS + ( V =5V,Ta=25C ) PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT + Operating Voltage V +4.75 - +13.0 V Operating Current I - 11.0 14.5 mA CC Frequency Characteristics G V =2V ,V =10MHz / 100kHz -1.0 0 +1.0 dB f IN P-P O Voltage Gain G V =2V,100kHz -0.5 0 +0.5 dB V IN P-P Total Harmonic Distortion THD V =2.5V,1kHz - 0.03 - IN P-P % Output Offset Voltage V -35 0 +35 mV off Switching Voltage V 2.4 - - V CH V - - 0.8 V CL Input Impedance R - 58 - k I Output Impedance R - 10 - O INPUT CONTROL SIGNAL-OUTPUT SIGNAL TEST CIRCUIT SW1 SW2 OUTPUT SIGNAL L L V 1 IN H L V 2 IN L/H H VIN3 APPLICATION Oscillation Prevention on light loading conditions Recommended under circuit CAUTION The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.2003-09-12 - 2 -