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NJ88C33 - Frequency Synthesiser (I2C BUS Programmable)

Description

Test conditions (unless otherwise stated): PLL locked, RI = 10MHz Characteristic Supply voltage Ambient temperature Supply current Single modulus Symbol VDD Tamb IDD IDD 2.5 -40 Value Min.

Typ.

Max.

Features

  • s s s s s s s s s Easy to Use Low Power Consumption (15mW) Single Supply 2.5V to 5.5V Digital Phase Comparator with Current Source Outputs Serial (I2C Compatible) Programming, 5MHz max Channel Loading in 8µs 150MHz Input Frequency Without Prescaler at 4.5V (52MHz at 2.7V) Standby Modes Use of Two-Modulus Prescaler is Possible MP14 Fig.1 Pin connections (not to scale) - top views.

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Datasheet Details

Part number NJ88C33
Manufacturer Mitel Networks Corporation
File Size 155.05 KB
Description Frequency Synthesiser (I2C BUS Programmable)
Datasheet download datasheet NJ88C33 Datasheet
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Full PDF Text Transcription

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NJ88C33 Frequency Synthesiser (I2C BUS Programmable) Advance Information DS2429 - 3.2 September 1994 The NJ88C33 is a synthesiser circuit fabricated on Mitel Semiconductor's 1.4 micron CMOS process, assuring very high performance. It is I2C compatible and can also be programmed at up to 5MHz. It contains a 16-bit R counter, a 12-bit N counter and a 7-bit A counter. A digital phase comparator gives improved loop stability with current source outputs to reduce loop components. A voltage doubler is provided for the loop driver to improve control voltage range to the VCO when operating at low supply voltages. DP14 FEATURES s s s s s s s s s Easy to Use Low Power Consumption (15mW) Single Supply 2.5V to 5.
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