Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
6-Channel Electronic Volume Controller IC
PT2258
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 I
2
C 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.
FEATURES
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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
I
2
C Bus Control Interface
Selectable Address
6-Channel Outputs
Available in 20 pins, DIP or SOP
APPLICATIONS
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AV Surround Audio Equipment
Car Audio
Mini Compo
Computer Multi-Media Speaker
Other Audio Equipments
PT2258 V1.2
-1-
July, 2005
PTC [ PRINCETON TECHNOLOGY CORP ]
