PT2258-S

PT2258 6-Channel Electronic Volume Controller IC DESCRIPTION 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 -79dB at 1dB/step, low noise, and high channel separation. Housed in 20 pins, DIP or SOP, PT2258’s pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantages. APPLICATIONS      FEATURES            CMOS Technology Low Power Consumption Least External Components Attenuation Range: 0 to -79dB 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 pins, DIP or SOP AV Surround Audio Equipment Car Audio Mini Compo Computer Multi-Media Speaker Other Audio Equipments BLOCK DIAGRAM Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, No.233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan PT2258 APPLICATION CIRCUIT V1.3 2 March 2014 PT2258 ORDER INFORMATION Valid Part Number Package Type Top Code PT2258 PT2258-S 20 Pins, DIP, 300mil 20 Pins, SOP, 300mil PT2258 PT2258-S PIN CONFIGURATION V1.3 3 March 2014 PT2258 PIN DESCRIPTION V1.3 Pin Name I/O Description IN1 I IN2 I IN3 I CODE2 DGND SCL SDA I I IN4 I Channel Input No. 4 Connect a Capacitor to Audio Source 8 IN5 I Channel Input No. 5 Connect a Capacitor to Audio Source 9 IN6 I Channel Input No. 6 Connect a Capacitor to Audio Source 10 OUT6 O Channel Output No. 6 Connect a Capacitor to the Next Stage 11 OUT5 O Channel Output No. 5 Connect a Capacitor to the Next Stage 12 OUT4 O Channel Output No. 4 Connect a Capacitor to the Next Stage 13 GND - REF - VCC CODE1 - OUT3 O OUT2 O OUT1 O Channel Input No. 1. Connect a Capacitor to Audio Source Channel Input No. 2 Connect a Capacitor to Audio Source Channel Input No. 3 Connect a Capacitor to Audio Source Refer to Address Code Section Digital Ground 2 I C Clock Input 2 I C Data Input Ground 14 Reference Voltage= 1/2 Vcc Connect a Capacitor to the Ground Power Supply Input 16 Refer to the Address Code Section Channel Output No. 3 Connect a Capacitor to the Next Stage Channel Output No. 2 Connect a Capacitor to the Next Stage Channel Output No. 1 Connect a Capacitor to the Next Stage 4 Pin No. 1 2 3 4 5 6 7 14 15 16 17 18 19 20 March 2014 PT2258 IMPORTANT NOTICE Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements, improvements, and other changes to its products and to discontinue any product without notice at any time. PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No circuit patent licenses are implied. Princeton Technology Corp. 2F, 233-1, Baociao Road, Sindian Dist., New Taipei City 23145, Taiwan Tel: 886-2-66296288 Fax: 886-2-29174598 http://www.princeton.com.tw V1.3 14 March 2014