DESCRIPTION APPLICATION FEATURES BLOCK DIAGRAM

PT2329
2CH Electronic Volume with Tone & Surround
DESCRIPTION
The PT2329 is a 2-ch electronic volume with tone and
surround IC for Mini Combo. It has a 6-input selector,
Bypass/tone/tone & surround, input gain control and
2ch master volume. It can control all of these functions
with I2C Interface.
APPLICATION
• Mini Combo
FEATURES
• Supply voltage: Vcc=9V (typ.)
• Volume: 0~-87dB, -∞/1dB step, each channels are
independence control.
• Input selector: 6 stereo input selector include 1 REC
output of 0/-2dB + Mute
• Input gain control: 0dB~+12dB/1dB step
• Tone control:
- Bass: -15dB~+15dB/1dB step
- Treble: -15dB~+15dB/1dB step
• Surround: Surround <Low/High>
• Mode selector: Bypass/Tone/Tone & Surround
• Built-in de-pop function
• I2C interface: 2 ports serial control
BLOCK DIAGRAM
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PT2329
APPLICATION CIRCUIT
V1.1
-2-
October 2012
PT2329
ORDER INFORMATION
Valid Part Number
PT2329
Package Type
32 Pins, SOP, 300mil
Top Code
PT2329
PIN CONFIGURATION
V1.1
-3-
October 2012
PT2329
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, Taipei 23145, Taiwan
Tel: 886-2-66296288
Fax: 886-2-29174598
http://www.princeton.com.tw
V1.1
16
October 2012