PT2380S Princeton Technology Corp, PT2380S Datasheet

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PT2380S

Manufacturer Part Number
PT2380S
Description
4 Mode Preset Equalizer IC
Manufacturer
Princeton Technology Corp
Datasheet
PTC
4 Mode Preset Equalizer IC
Description
PT 2380 is a pre-set equalizer IC utilizing CMOS Technology specially designed for
audio equipment. It features four sound selections, namely: Classical, Pops, Rock
and Normal/Flat which may be selected by the 2 control pins (SW1 and SW2).
PT 2380 has 2 built-in channels - each containing an internal operation amplifier and
selectable resistors. Thus, least external components are used. By connecting only 3
capacitors to each channel, the high performance pre-set equalizing function of this
IC is achieved. Pin assignments and application circuit are optimized for easy PCB
layout and cost saving for audio applications. PT 2380 is housed in a 16-Pin DIP or
SO Package and is suitable for stereo sound applications.
Features
r CMOS Technology
r Least External Components
r Available in 16 Pins, DIP or SO Package
r 4 Sound Effect Selections Available: Classical, Pops, Rock, and Normal/Flat
r High Operating Voltage Range: Vcc = 5 ~ 15 V
r Two Channels in the same chip
r Can be controlled by Micro-Processor Output Pin
Applications
r Mini Compo
r Car Stereo
r Radio Cassette Recorders
r Multi-Media Speaker
r MPEG Card
r Other Audio Equipments
Revised Jan. 1996
Princeton Technology Corp.
Page 1
Preliminary
Preliminary
Fax : 886-2-29174598
Tel : 886-2-29162151
PT 2380
Preliminary 2

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PT2380S Summary of contents

Page 1

... PTC Princeton Technology Corp. 4 Mode Preset Equalizer IC Description PT 2380 is a pre-set equalizer IC utilizing CMOS Technology specially designed for audio equipment. It features four sound selections, namely: Classical, Pops, Rock and Normal/Flat which may be selected by the 2 control pins (SW1 and SW2). PT 2380 has 2 built-in channels - each containing an internal operation amplifier and selectable resistors ...

Page 2

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Block Diagram where Normal/Flat Mode P = Pops Mode Preliminary Preliminary C = Classic Mode R = Rock Mode Figure 1: PT2380 Block Diagram Page 2 Tel : 886-2-29162151 Fax : 886-2-29174598 PT 2380 ...

Page 3

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Pin Configuration Pin Description Pin I/O Name IN1 I OUT1 O Cap1_1 - This pin is connected to Pin external Capacitor Cap1_2 - This pin is connected to Pin external Capacitor. NF1 - Cap1_3 - This pin is connected to Pin external Capacitor. Vcc ...

Page 4

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Functional Description PT2380 is pre-set to 4 modes: Normal/Flat, Rock, Classical and Pops. These 4 modes may be selected using two switches, namely: SW1 (Pin. No.9) and SW2 (Pin No.10). Please refer to the table below. Mode Normal/Flat Rock Classic Pops where Low: SW1/SW2 Table 1: SW1 & ...

Page 5

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC In order to best describe this IC, an application example is hereby given. The application example’s electrical characteristics are enumerated below. Conditions: Vcc = 12 0.1 Vrms and KHz Symbol Parameter Icc Circuit Operation Current Normal Mode ...

Page 6

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC The Sound Frequency Characteristics of the application example is given below. Normal Mode Sound Frequency Characteristics 100 Figure 4: Normal Mode Sound Frequency Characteristics Diagram Classic Mode Sound Frequency Characteristics 100 Figure 5: Classic Mode Sound Frequency Characteristics Diagram ...

Page 7

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer 100 Figure 6: Pops Mode Sound Frequency Characteristics Diagram Rock Mode Sound Frequency Characteristics 100 Figure 7: Rock Mode Sound Frequency Characteristics Diagram Preliminary Preliminary Pops Mode Sound Frequency Characteristics 1000 ...

Page 8

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Absolute Maximum Ratings (Unless otherwise specified, Ta=25 Symbol Parameter Vcc max Supply Voltage Power Dissipation (Ta ó Thermal Derating (Ta > Topr Operating Temperature Tstg Storage Temperature V Switch Input Voltage Range I Application Circuits Preliminary Preliminary ...

Page 9

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Figure 9: PT2380 Application Circuit with Micro-Processor Connection Package Dimension DIP Package Tel : 886-2-29162151 Fax : 886-2-29174598 Preliminary Preliminary Page 9 PT 2380 ...

Page 10

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Note: 1. The max value of dimension D includes end flash. 2. The dimension E doesn’t include resin fins 1 3. The dimension S includes end flash. 4. All dimensions are based on British system Tel : 886-2-29162151 Fax : 886-2-29174598 Preliminary ...

Page 11

... PTC Princeton Technology Corp. 4-Mode Preset Equalizer IC Note: 1. Controlling Dimension : Inch 2. Lead Frame Material : Copper 194 3. After solder plating lead thickness will be 0.013” max. 4. Dimension “D” does not include mold flash, protrusions or gate burrs. 5. Dimension “E” does not include interlead flash or protrusions. ...

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