PT2380 查看數據表（PDF） - Princeton Technology

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PT2380

4 Mode Preset Equalizer IC

Princeton Technology 

PTC Princeton Technology Corp.

Tel : 886-2-29162151

Fax : 886-2-29174598

4-Mode Preset Equalizer IC Preliminary PT 2380

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

SW1

Low

Low

High

High

SW2

Low

High

Low

High

where Low: SW1/SW2 ≤ 1V and High: SW1/SW2 ≥ 3.5V for Vcc = 5 ~ 12 V

Table 1: SW1 & SW2 Mode Conditions

The Output Voltage Gain vs. the Frequency Graph for the 4 preset modes is given

below:

Output Voltage Gain vs. Frequency

24

22 Rock

20

18 Classic

16

14 Normal

12 Pops

10

10

100

1000

10000

Frequency f (Hz)

100000

Figure 3: PT 2380 Output Voltage Gain vs. Frequency Graph

Page 4

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