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| Princeton Technology Corp. 6-Channel Electronic Volume Controller IC DESCRIPTION Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Preliminary PT2258 PT2258 is a 6-Channel Electronic Volume Controller IC utilizing CMOS Technology specially designed for the new generation of AV Multi-Channel Audio System. PT2258 provides an I2C Control Interface, an attenuation range of 0 to -79 dB at 1 dB/step, low noise, high channel separation. Housed in 20-pin, DIP or SO Package, PT2258's pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages. FEATURES * * * * * * * * * * * CMOS Technology Low Power Consumption Least External Components Attenuation Range: 0 to -79 dB at 1dB/step Operating Voltage: 5 to 9 V Low Noise, S/N Ratio>100dB (A-weighting) High Channel Separation I2C Bus Control Interface Selectable Address 6-Channel Outputs Available in 20-pin, DIP or SO Package APPLICATIONS * * * * * AV Surround Audio Equipment Car Audio Mini Compo Computer Multi-Media Speaker Other Audio Equipments PT2258 pre1.0 1 Updated July 2000 Princeton Technology Corp. 6-Channel Electronic Volume Controller IC PIN CONFIGURATION Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Preliminary PT2258 IN 1 IN 2 IN 3 CODE2 DGND SCL SDA IN 4 IN 5 IN 6 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OUT1 OUT2 OUT3 CODE1 VCC REF GND OUT4 OUT5 OUT6 PT2258 PT2258 pre1.0 2 Updated July 2000 Princeton Technology Corp. 6-Channel Electronic Volume Controller IC APPLICATION CIRCUIT IN P U T 10 0K 10 0K 10 0K 10 uf 10 uf 10 uf Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Preliminary PT2258 1 IN 1 2 IN 2 3 IN 3 4 CODE2 5 DGND O U T1 20 O U T2 19 O U T3 18 CO DE1 17 V C C 16 R E F 15 G N D 14 O U T4 13 O U T5 12 O U T 6 11 + + + 10 uf 10 uf 10 uf VCC OUTPUT 10 0K 10 0K 10 0K I 2C B u s M CU 10 uf 10 0K 10 0K 10 0K 10 uf 10 uf ORDER INFORMATION Valid Part Number PT2258 PT2258-S Package Type 20 Pins, DIP Package (300 mil) 20 Pins, SO Package (300 mil) PT2258 pre1.0 + + + + + + + 10 uf 6 SCL 7 SDA 8 IN 4 9 IN 5 10 IN 6 + + + + 10 uf 10 uf C ref 10 uf 10 0K 10 0K 10 0K 10 uf PT2258 A d d ress= 88 H ex DGND AGND 3 Updated July 2000 |
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