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MC145220DT

更新时间： 2024-11-03 22:58:11
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 信号电路锁相环或频率合成电路光电二极管信息通信管理
页数 文件大小 规格书
27页 366K
描述
Dual 1.1 GHz PLL Frequency Synthesizer

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中文翻译

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MC145220DT 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP20,.25
针数：20Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.72
Is Samacsys：N其他特性：SELECTABLE 32/33 OR 64/65 PRESCALER
模拟集成电路 - 其他类型：PLL FREQUENCY SYNTHESIZERJESD-30 代码：R-PDSO-G20
JESD-609代码：e0长度：6.5 mm
功能数量：1端子数量：20
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：TSSOP
封装等效代码：TSSOP20,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
电源：3/5 V认证状态：Not Qualified
座面最大高度：1.2 mm子类别：PLL or Frequency Synthesis Circuits
最大供电电流 (Isup)：30 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.7 V标称供电电压 (Vsup)：3.5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

MC145220DT 数据手册

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Order this document  
by MC145220/D  
SEMICONDUCTOR TECHNICAL DATA  
F SUFFIX  
SOG PACKAGE  
CASE 803C  
BiCMOS  
20  
1
The MC145220 is a low–voltage, single–chip frequency synthesizer with  
serial interface capable of direct usage up to 1.1 GHz. The device simulta-  
neously supports two loops. The two on–chip dual–modulus prescalers may be  
independently programmed to divide by either 32/33 or 64/65.  
DT SUFFIX  
TSSOP  
CASE 948D  
20  
1
The device consists of two dual–modulus prescalers, two 6–stage A  
counters, two 12–stage N counters, two fully programmable 13–stage R  
(reference) counters, and two lock detectors. Four phase/frequency detectors  
are included: two with current source/sink outputs and two with double–ended  
outputs.  
ORDERING INFORMATION  
MC145220F  
SOG Package  
MC145220DT TSSOP  
The counters are programmed via a synchronous serial port which is SPI  
compatible. The serial port is byte–oriented to facilitate control via an MCU. Due  
to the innovative BitGrabber Plus registers, the MC145220 may be cascaded  
with other peripherals featuring BitGrabber Plus without requiring leading  
dummy bits or multiple address bits in the serial data stream. In addition,  
BitGrabber Plus peripherals may be cascaded with existing BitGrabber  
peripherals. Because this device is a dual synthesizer, a single steering bit is  
used in the serial data stream to direct the data to either side of the chip.  
The phase/frequency detectors have linear transfer functions (no dead  
zones). The current delivered by the current source/sink outputs is controllable  
via the serial port.  
PIN ASSIGNMENT  
REF  
in  
1
2
3
4
5
20  
19  
18  
17  
16  
D
in  
CLK  
LD  
PD  
REF  
out  
LD  
′
PD  
out  
/
φ
′/φ ′  
out R  
R
Rx/  
φ
Rx  
′
/
φ ′  
V
V
GND  
6
15  
GND  
′
Also featured are low–power standby for either one or both loops and  
on–board support of an external crystal. In addition, the part may be configured  
f
f
′
′
f
7
8
14  
13  
in  
in  
f
in  
in  
such that the REF pin accepts an external reference signal. In this  
in  
configuration, the REF  
pin may be programmed to output the REF  
in  
out  
frequency divided by 1, 2, 4, 8, or 16.  
V+  
′
V+  
9
12  
11  
OUTPUT A  
10  
ENB  
•
•
•
Operating Frequency: 40 to 1100 MHz  
Operating Supply Voltage Range: 2.7 to 5.5 V  
Supply Current: Both PLLs Operating — 12 mA Nominal  
One PLL Operating, One on Standby — 6.5 mA Nominal  
Both PLLs on Standby — 30 µA Maximum  
Phase Detector Output Current: Up to 2 mA @ 5 V  
Up to 1 mA @ 3 V  
•
•
•
•
Operating Temperature Range: – 40 to 85°C  
Independent R Counters Allow Use of Different Step Sizes for Each Loop  
Double–Buffered R Register — Reference and Loop Divide Ratios  
Updated Simultaneously  
•
•
R Counter Division Range: 1 and 10 to 8,191  
Dual–Modulus Capability Provides Total Division of the VCO Frequency up  
to 262,143  
•
•
•
Direct Interface to Motorola SPI Data Port  
Evaluation Kit Available (Part Number MC145220EVK)  
See Application Note AN1253/D for Low–Pass Filter Design, and  
AN1277/D for Offset Reference PLLs for Fine Resolution or Fast Hopping  
NOTE: This product has been evaluated for operation over a wider range than 40 MHz to 1.1 GHz. If your design requires a wider  
frequency range, contact your local Motorola representative for further information.  
BitGrabber and BitGrabber Plus are trademarks of Motorola, Inc.  
REV 4  
1/98  
TN98012300  
Motorola, Inc. 1998  
1234567...27

中文翻译

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