PT2253A Princeton Lightwave, PT2253A Datasheet

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PT2253A

Manufacturer Part Number
PT2253A
Description
Manufacturer
Princeton Lightwave
Datasheet

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Electronic Volume Controller IC
DESCRIPTION
PT2253A is an electronic volume controller IC utilizing CMOS Technology
specially designed for use on audio equipments. It has two (2) built-in channels
making it ideally suitable for mono and stereo sound applications. PT2253A
provides a wide frequency response range and a very low harmonic distortion to
mention a few; thereby guaranteeing a highly effective and reliable performance.
FEATURES
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APPLICATIONS
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PT2253A v 2.6
CMOS Technology
Low Power Consumption
Operating Voltage Range : Vcc = 6 ~ 12 V
(Backup Voltage is up to 4 V)
0dB to -68dB attenuation controlled by 2dB/step
2 Channels in each chip
Capable to control attenuation by a built-in oscillator and Up/Down Pin
Single Power Supply or Dual Power Supplies of (+) and (-) can be used
Wide Frequency Response Range
Very Low Harmonic Distortion
Available in 16 pin, DIP Package
Audio Equipment Volume Control
Traditional VR Replacement
Princeton Technology Corp
Page 1
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URL: http://www.princeton.com.tw
Revised October 1999
Fax: 886-2-29174598
Tel: 886-2-29162151
PT2253A

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PT2253A Summary of contents

Page 1

... PT2253A is an electronic volume controller IC utilizing CMOS Technology specially designed for use on audio equipments. It has two (2) built-in channels making it ideally suitable for mono and stereo sound applications. PT2253A provides a wide frequency response range and a very low harmonic distortion to mention a few; thereby guaranteeing a highly effective and reliable performance. ...

Page 2

... Princeton Technology Corp Electronic Volume Controller IC PIN CONFIGURATION ORDER INFORMATION Valid Part Number PT2253A PT2253A Package Type 16 Pins, DIP Page 2 Tel: 886-2-29162151 Fax: 886-2-29174598 . URL: http://www.princeton.com.tw PT2253A - - Revised October 1999 ...

Page 3

... Princeton Technology Corp Electronic Volume Controller IC APPLICATION CIRCUIT 1 Dual Power Supply (L-Channel Only) Vss -6V 10uF + VDD +6V + 10uF INPUT GROUND 10uF + OUTPUT 10K PT2253A v 2 10uF + 253A fosc = 1 (0.7)(CX)( RX) RS 3RX Page 3 Tel: 886-2-29162151 Fax: 886-2-29174598 . URL: http://www.princeton.com.tw PT2253A LM358 4.7 ...

Page 4

... OUTPUT 10K Note: Since the Buffer Amp between Att-1 and Att-2 is already 10dB Voltage Gain, higher input level may cause OP Amp’s Output Clipping. To avoid unwanted distortion, the input signal level applied at IN-1 should not be over 1 Vrms. PT2253A v 2 10uF ...

Page 5

... Princeton Technology Corp Electronic Volume Controller IC APPLICATION CIRCUIT 3 Single Power Supply PT2253A v 2.6 . URL: http://www.princeton.com.tw Page 5 Tel: 886-2-29162151 Fax: 886-2-29174598 PT2253A Revised October 1999 ...

Page 6

... Note: Since the Buffer Amp between Att-1 and Att-2 is already 10dB Voltage Gain, higher input level may cause OP Amp’s Output Clipping. To avoid unwanted distortion, the input signal level applied at IN-1 should not be over 1 Vrms. PT2253A v 2.6 . URL: http://www.princeton.com.tw Page 6 ...

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