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LTC5598IUF#PBF PDF预览

LTC5598IUF#PBF

更新时间： 2024-02-29 15:43:14
品牌 Logo 应用领域
凌特 - Linear 电信电信集成电路
页数 文件大小 规格书
16页 278K
描述
LTC5598 - 5MHz to 1600MHz High Linearity Direct Quadrature Modulator; Package: QFN; Pins: 24; Temperature Range: -40°C to 85°C

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中文翻译

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LTC5598IUF#PBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVQCCN,
针数：24Reach Compliance Code：compliant
风险等级：5.14JESD-30 代码：S-PQCC-N24
JESD-609代码：e3长度：4 mm
湿度敏感等级：1功能数量：1
端子数量：24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：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 mm
标称供电电压：5 V表面贴装：YES
电信集成电路类型：RF AND BASEBAND CIRCUIT温度等级：INDUSTRIAL
端子面层：MATTE TIN (SN)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：4 mm
Base Number Matches：1

LTC5598IUF#PBF 数据手册

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LTC5598  
5MHz to 1600MHz  
High Linearity Direct  
Quadrature Modulator  
FEATURES  
DESCRIPTION  
The LTC®5598 is a direct I/Q modulator designed for high  
performance wireless applications, including wireless  
infrastructure. It allows direct modulation of an RF signal  
using differential baseband I and Q signals. It supports  
point-to-point microwave link, GSM, EDGE, CDMA,  
700MHz band LTE, CDMA2000, CATV applications and  
other systems. It may also be configured as an image  
reject upconverting mixer, by applying 90° phase-shifted  
signals to the I and Q inputs.  
n
Frequency Range: 5MHz to 1600MHz  
High Output IP3: +27.7dBm at 140MHz  
n
+22.9dBm at 900MHz  
n
Low Output Noise Floor at 6MHz Offset:  
No Baseband AC Input: –161.2dBm/Hz  
P
= 5.5dBm: –160dBm/Hz  
OUT  
n
n
n
Low LO Feedthrough: –55dBm at 140MHz  
High Image Rejection: –50.4dBc at 140MHz  
Integrated LO Buffer and LO Quadrature Phase  
Generator  
The I/Q baseband inputs consist of voltage-to-current  
converters that in turn drive double-balanced mixers.  
The outputs of these mixers are summed and applied  
to a buffer, which converts the differential mixer signals  
to a 50Ω single-ended buffered RF output. The four  
balanced I and Q baseband input ports are intended for  
DC coupling from a source with a common-mode voltage  
level of about 0.5V. The LO path consists of an LO buffer  
with single-ended or differential inputs, and precision  
quadrature generators that produce the LO drive for the  
mixers. The supply voltage range is 4.5V to 5.25V, with  
about 168mA current.  
n
n
n
n
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50Ω Single-Ended LO and RF Ports  
>400MHz Baseband Bandwidth  
24-Lead QFN 4mm × 4mm Package  
Pin-Compatible with Industry Standard Pin-Out  
Shut-down Mode  
APPLICATIONS  
n
Point-to-Point Microwave Link  
Military Radio  
n
n
Basestation Transmitter GSM/EDGE/CDMA2K  
n
700MHz LTE Basestation Transmitter  
n
Satellite Communication  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
n
CATV/Cable Broadband Modulator  
n
13.56MHz/UHF RFID Modulator  
TYPICAL APPLICATION  
Noise Floor vs RF Output Power  
and Differential LO Input Power  
5MHz to 1600MHz Direct Conversion Transmitter Application  
5V  
–152  
4.7μF  
x2  
1nF  
x2  
V
CC  
f
LO  
= 140MHz; f = 2kHz; CW (NOTE 3)  
BB  
LTC5598  
20dBm  
–154  
–156  
–158  
RF = 5MHz  
TO 1600MHz  
19.3dBm  
13.4dBm  
10.4dBm  
8.4dBm  
6.4dBm  
I-DAC  
V-I  
I-CHANNEL  
0o  
PA  
EN  
90o  
10nF  
Q-CHANNEL  
V-I  
Q-DAC  
–160  
–162  
5598 TA01  
BASEBAND  
GENERATOR  
10nF  
10nF 470nF  
VCO/SYNTHESIZER  
–14 –12 –10 –8 –6 –4 –2  
0
2
4
6
8
50Ω  
RF OUTPUT POWER (dBm)  
5598 TA02  
5598f  
1
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