Features
* Wide Frequency Range, 0.01Hz to 300kHz
* Wide Supply Voltage Range, 4.5V to 20V
* HCMOS/TTL/Logic Compatibility
* FSK Demodulation, with Carrier Detection
* Wide Dynamic Range, 10mV to 3V rms
* Adjustable Tracking Range, +1% to 80%
* Excellent Temp. Stability, +50ppm/°C, max.
* Pb-Free, RoHS Compliant Versions Offered
The XR2211 is a monolithic phase-locked loop (PLL) system especially designed
for data communications applications. It is particularly suited for FSKmodem
applications. It operates over a wide supply voltagerange of 4.5 to 20Vand
a wide frequency range of 0.01Hz to 300KHz. It can accommodate analog
signals between 10mV 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 within the pass
band, a quadrature phase detector which provides carrier detection, and an
FSK voltage comparator which provides FSK demodulation. External components
are used to independently set center frequency, bandwidth and output delay.
An internal voltage reference proportional to the power supply is provided at
an output pin.
The XR2211 is available in 14 pin packages specified for military and industrial
temperature ranges.