NJU7505AM New Japan Radio, NJU7505AM Datasheet

NJU7505AM

Manufacturer Part Number

NJU7505AM

Description

Manufacturer

New Japan Radio

Datasheet

1.NJU7505AM.pdf (8 pages)

Specifications of NJU7505AM

Case

SOP

Date_code

2002

Current page: 1 of 8
Download datasheet (108Kb)

! GENERAL DESCRIPTION

! FEATURES

! BLOCK DIAGRAM

Ver.2008-03-24

# BPF for the audio spectrum analyzer display of the 5 bands

# 10 bands extension is available by the cascade connection

# BPF using the switched capacitor filter technology

# CR oscillation circuit on chip

# Power-on initialization circuit on chip

# C-MOS Technology

# Package Outline

analyzer display.

circuit, control circuit and DC transfer circuit.

technology operates at the shared time by 5 bands which

from a serial output terminal.

connection is prepared.

OSC1

OSC2

The NJU7505 is a band pass filter for audio spectrum

It consists of high and low band pass filters, CR oscillation

Each band pass filter using the switched capacitor filter

filter constant is switched by the internal clock.

Therefore, the audio signal shared of 5 bands is output

The 10 bands version using the double by the cascade

(External clock input is available)

(External reset input is available)

FOR AUDIO SPECTRUM ANALYZER DISPLAY

Input BUF

OSC

GND

LPF

OSC

BAND PASS FILTER

OSC/16

RSTb/CLKO

High Band

Low Band

BPF

OSC/4

DIP8, DMP8

Control Circuit

Peak Detector

High Band

Low Band

RSTb/CLKO

OSC1

OSC2

! PACKAGE OUTLINE

! PIN CONFIGURATION

NJU7505AD

Level Shifter

Output BUF

Audio Signal

Control Signal

Clock Signal

Power-on

Initialize

NJU7505AM

NJU7505

OUT

- 1 -

OUT

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