Princeton Technology Corp PT2258, PT2258-S Datasheet

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Princeton Technology Corp.

URL: http://www.princeton.com.tw

Fax: [phone]

6-Channel Electronic Volume Controller IC Preliminary 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 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

Tel : [phone]

Princeton Technology Corp.

URL: http://www.princeton.com.tw

Fax: [phone]

6-Channel Electronic Volume Controller IC Preliminary PT2258

PIN CONFIGURATION

IN 1
IN 2

IN 3

CODE2 CODE1

DGND VCC

SCL REF

SDA

IN 4
IN 5

IN 6

1

2
3

417
5

6
714
813
9

10

20

19

18

16
15

12

11

OUT1
OUT2

OUT3

GND
OUT4
OUT5
OUT6

PT2258

PT2258 pre1.0 2 Updated July 2000