Datasheet > LMX2492RTWT

LMX2492RTWT

更新时间： 2023-09-03 20:28:05

品牌	Logo	应用领域
德州仪器 - TI		脉冲
页数	文件大小	规格书
41页	1910K
描述
具有斜坡/线性调频脉冲生成功能的 500MHz 至 14GHz 宽带、低噪声分数 N PLL \| RTW \| 24 \| -40 to 85

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LMX2492RTWT 数据手册

LMX2492, LMX2492-Q1

www.ti.com.cn

ZHCSCB6 –MARCH 2014

6 Terminal Configuration and Functions

WQFN (RTW)

24 Terminal

(Top View)

24 23 22 21 20 19

GND

18 Vcc

17 MUXout

Pin 0

(Ground Substrate)

Fin

Fin*

Vcc

DATA

14 CLK

10 11 12

Terminal Functions

TERMINAL

TYPE

DESCRIPTION

NUMBER

NAME

DAP

GND

Die Attach Pad. Connect to PCB ground plane.

Ground for charge pump.

GND

2,3

Ground for Fin Buffer

Complimentary high frequency input pins. Should be AC coupled. If driving single-ended,

impedance as seen from Fin and Fin* pins looking outwards from the part should be roughly the

same.

Fin

Fin*

4,5

Input

Vcc

Supply

Input

Power Supply for Fin Buffer

Supply for On-chip LDOs

Supply for OSCin Buffer

Vcc

OSCin

Reference Frequency Input

Complimentary input for OSCin.

GND/

OSCin*

GND/Input If not used, it is recommended to match the termination as seen from the OSCin terminal looking

outwards. However, this may also be grounded as well.

GND

MOD

GND

Ground for OSCin Buffer

Input/Output Multiplexed Input/Output Pins for Ramp Triggers, FSK/PSK Modulation, FastLock, and Diagnostics

Input

GND

Input

Chip Enable

CLK

DATA

Serial Programming Clock.

Serial Programming Data

Serial Programming Latch Enable

MUXout Input/Output Multiplexed Input/Output Pins for Ramp Triggers, FSK/PSK Modulation, FastLock, and Diagnostics

Vcc

Supply

Supply for delta sigma engine.

Supply for general circuitry.

TRIG1

TRIG2

Vcp

Input/Output Multiplexed Input/Output Pins for Ramp Triggers, FSK/PSK Modulation, FastLock, and Diagnostics

Supply

Power Supply for the charge pump.

No connect.

Rset

CPout

Output

Charge Pump Output

1 234 5 6 7...41

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