PLL1708DBQR

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Phase-Locked Loop (PLL) Frequency Synthesizer
Characteristics: High precision, low power consumption, compact size
Package: DBQ (Dual Flat No-Lead) package
Essence: A highly integrated IC used for frequency synthesis in various electronic devices
Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications and Parameters

Input Voltage Range: 2.7V to 5.5V
Operating Temperature Range: -40°C to +85°C
Output Frequency Range: 10MHz to 100MHz
Output Power: Adjustable from -4dBm to +7dBm
Phase Noise: -110dBc/Hz at 1kHz offset
Supply Current: 15mA typical

Detailed and Complete Pin Configuration

The PLL1708DBQR features a total of 16 pins, each serving a specific function. The pin configuration is as follows:

VCC: Power supply input
GND: Ground reference
XTAL_IN: Crystal oscillator input
XTAL_OUT: Crystal oscillator output
REF_IN: Reference frequency input
CP_OUT: Charge pump output
CP_GND: Charge pump ground reference
VCO_OUT: Voltage-controlled oscillator output
VCO_GND: Voltage-controlled oscillator ground reference
PDN: Power-down control input
LD: Lock detection output
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection

Functional Characteristics

The PLL1708DBQR offers the following functional characteristics: - Frequency multiplication and division - Phase-locked loop operation - Low phase noise generation - Lock detection for synchronization - Power-down mode for reduced power consumption

Advantages and Disadvantages

Advantages: - High precision frequency synthesis - Low power consumption - Compact size for space-constrained applications - Wide operating voltage range - Excellent phase noise performance

Disadvantages: - Limited output power range - Requires an external crystal oscillator or reference frequency source

Applicable Range of Products

The PLL1708DBQR is widely used in various electronic devices that require precise frequency synthesis, such as: - Communication systems - Wireless transceivers - Satellite receivers - Test and measurement equipment - Audio and video equipment - Industrial control systems

Working Principles

The PLL1708DBQR operates based on the principle of a phase-locked loop. It takes an input reference frequency and generates an output frequency that is a multiple or fraction of the reference frequency. The IC consists of a phase detector, charge pump, loop filter, voltage-controlled oscillator (VCO), and frequency divider. By adjusting the control voltage applied to the VCO, the output frequency can be precisely controlled.

Detailed Application Field Plans

The PLL1708DBQR can be applied in various fields, including: 1. Wireless Communication Systems: Used for frequency synthesis in wireless transceivers, ensuring accurate signal transmission and reception. 2. Satellite Receivers: Enables precise frequency tuning for satellite signal reception, improving overall system performance. 3. Test and Measurement Equipment: Provides stable and accurate reference frequencies for precise measurements and calibration. 4. Audio and Video Equipment: Used in audio/video signal processing circuits to generate stable clock signals for synchronization. 5. Industrial Control Systems: Utilized for frequency synthesis in control systems, ensuring accurate timing and synchronization of processes.

Detailed Alternative Models

Some alternative models to the PLL1708DBQR include: - PLL1709DBQR - PLL1710DBQR - PLL1711DBQR - PLL1712DBQR - PLL1713DBQR

5 Common Technical Questions and Answers

Q: What is the maximum output frequency of the PLL1708DBQR? A: The maximum output frequency is 100MHz.
Q: Can the PLL1708DBQR operate with a single power supply voltage? A: Yes, it can operate with a power supply voltage ranging from 2.7V to 5.5V.
Q: How can I determine if the PLL1708DBQR is locked to the input reference frequency? A: The lock detection output pin (LD) provides a signal indicating the lock status.
Q: What is the typical supply current required by the PLL1708DBQR? A: The typical supply current is 15mA.
Q: Is the PLL1708DBQR available in different package options? A: No, it is only available in the DBQ package format.