Princeton Technology Corp PT2256, PT2256-S Datasheet

Tel : [phone]

Princeton Technology Corp.

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

Fax: [phone]

Electronic Volume Controller IC PT2256

DESCRIPTION

PT2256 is an electronic volume controller IC utilizing CMOS Technology specially designed for use on
audio equipment. It has 2 built-in channels making it ideally suitable for mono and stereo sound appli­cations. PT2256 provides the Loudness Function, a wide frequency response range and a very low total
harmonic distortion, thereby guaranteeing a highly effective and reliable performance. It is housed in
16-pin DIP or SO package and is functionally compatible with TC9235P. Pin assignments and applica­tion circuit are optimized for low cost advantages and easy PCB Layout.

FEATURES

• CMOS Technology

• Low Power Consumption

• Least External Components

• 2 Channels in the same chip

• 0 dB to -78 dB Attenuation can be controlled by UP and Down Pin.

• 20dB Tap for Loudness Circuit

• Built-in DC Output Circuit (8 levels) for Volume Level Metering

• Wide Frequency Response Range

• Low Total Harmonic Distortion

• Available in 16 pins DIP or SO Package

APPLICATION

• Audio Equipment Volume Control

PT2256 v1.3 1 Updated Sept. 2000

Tel : [phone]

Princeton Technology Corp.

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

Electronic Volume Controller IC PT2256

Fax: [phone]

PIN CONFIGURATION

VSS

OUT1

IN 1

LT 1

AGND

UP

DN

OSC

ORDER INFORMATION

6522TP)lim003(PID,sniP61

S-6522TP)lim003(OS,sniP61

1
2
3
4
5
6
7
8

16
15
14
13
12
11
10

9

VDD
OUT2
IN2
LT 2
AGND
DCO
INH
RST

PT2256

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PT2256 v1.3 2 Updated Sept. 2000