NJM2211D データシートの表示（PDF） - Japan Radio Corporation

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NJM2211D

FSK DEMODULATOR / TONE DECODER

Japan Radio Corporation  

NJM2211

FSK DEMODULATOR / TONE DECODER

■ GENERAL DESCRIPTION

The NJM2211 is a monolithic phase-locked loop (PLL) system especially

designed for data communications. It is particularly well suited for FSK modem

applications, and operates over a wide frequency range of 0.01Hz to 300kHz. It

can accommodate analog signals between 2mV and 3V, and can interface with

conventional DTL, TTL and ECL logic families. The circuit consists of a basic

PLL for tracking an input signal frequency within the passband, a quadrature

phase detector which provides carrier detection, and an FSK voltage

comparator which provides FSK demodulation. External components are used

to independently set carrier frequency, bandwidth, and output delay.

■ FEATURES

● Wide Operating Voltage

● Wide frequency range

● DTL / TTL / ECL logic compatibility

● FSK demodulation with carrier-detector

● Wide dynamic range

● Adjustable tracking range

● Excellent temperature stability

● Package Outline

● Bipolar Technology

(4.5V to 20V)

(0.01Hz to 300kHz)

(2mV to 3Vrms)

(±1% to ±80%)

(20ppm / °C typical)

DIP14, DMP14

■ APPLICATIONS

● FSK demodulation

● Data synchronization

● Tone decoding

● FM detection

● Carrier detection

■ PIN CONFIGURATION

■ PACKAGE OUTLINE

NJM2211D

NJM2211M

NJM2211D

NJM2211M

Ver.2003-12-09

-1-

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