Datasheet > U74HC4046G-S16-R

U74HC4046G-S16-R

更新时间： 2024-02-19 00:45:42

品牌	Logo	应用领域
友顺 - UTC		光电二极管
页数	文件大小	规格书
18页	492K
描述
Phase Locked Loop, CMOS, PDSO16, HALOGEN FREE, PLASTIC, SOP-16

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U74HC4046G-S16-R 技术参数

是否Rohs认证：	符合	生命周期：	Active
零件包装代码：	SOIC	包装说明：	SOP,
针数：	16	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.77
模拟集成电路 - 其他类型：	PHASE LOCKED LOOP	JESD-30 代码：	R-PDSO-G16
长度：	10 mm	功能数量：	1
端子数量：	16	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	1.96 mm	最大供电电压 (Vsup)：	6 V
最小供电电压 (Vsup)：	3 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3.95 mm
Base Number Matches：	1

U74HC4046G-S16-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

U74HC4046

CMOS IC

PHASE LOCKED LOOP WITH VCO

DESCRIPTION

The U74HC4046 is a phase-locked-loop circuit including a linear

voltage-controlled oscillator (VCO), three different phase comparators

(PC1, PC2 and PC3), a common signal input amplifier and a common

comparator input.

SOP-16

The signal can be directly coupled to large voltage signals or with a

series capacitor coupled to small voltage signals. Small voltage signals

can be kept within the linear region of the input amplifiers with a self-bias

input circuit. The U74HC4046 and a passive low-pass filter form a

second-order loop PLL. With a linear op-amp, the VCO achieves

excellent linearity.

The VCO requires an external capacitor and resistor. R1 (between

R1 and GND) and capacitor C1 (between C1A and C1B) determine the

frequency range of the VCO. R2 (between R2 and GND) enables the

VCO to have a frequency offset if required.

TSSOP-16

For the high input impedance of the VCO, the design of low-pass filters is simplified, and the designer has a

wide choice of resistor/capacitor ranges. At pin 10 (DEM_OUT), a demodulator output of the VCO input voltage is

provided in order not to load the low-pass filter. In conventional techniques, the DEM_OUTvoltage is one threshold

voltage lower than the VCO input voltage, but the DEM_OUTvoltage of U74HC4046 equals the VCO input voltage.

When DEM_OUTis used, a load resistor (RS) should be connected from DEM_OUTto GND; but if unused, DEM_OUT

should be left open. The VCO output (VCO_OUT) can be connected directly or via a frequency-divider to the

comparator input (COMP_IN). If the VCO input is held at a constant DC level, the VCO output signal has a duty factor

of 50% (maximum expected deviation 1%). A LOW level at the inhibit input (INH) enables the VCO and

demodulator, while a HIGH level turns both off to minimize standby power consumption.

FEATURES

* Low Power Consumption

* Operating Power Supply Voltage Range: Digital Section 2.0 to 6.0 V

VCO Section 3.0 to 6.0 V

* Up to 17 MHz (typ.) Centre Frequency at V_CC= 4.5 V

* Excellent VCO Frequency Linearity

* VCO-Inhibit Control For ON/OFF Keying and for Low Standby Power Consumption

* Minimal Frequency Drift

* Three Phase Comparators: EXCLUSIVE-OR;

Edge-Triggered JK Flip-Flop;

Edge-Triggered RS Flip-Flop

* Zero Voltage Offset due to OP-Amp Buffering

* Standard Output Capability

* MSI I_CCCategory

ORDERING INFORMATION

Ordering Number

Package

SOP-16

Packing

Tape Reel

U74HC4046G-S16-R

U74HC4046G-P16-R

TSSOP-16

www.unisonic.com.tw

1 of 18

QW-R502-461.B

12 3 4 5 6 7...18

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