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LT5514EFE#TRPBF PDF预览

LT5514EFE#TRPBF

更新时间: 2024-02-26 10:26:26
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
20页 277K
描述
LT5514 - Ultralow Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain; Package: TSSOP; Pins: 20; Temperature Range: -40°C to 85°C

LT5514EFE#TRPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:TSSOP包装说明:HTSSOP,
针数:20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.03模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:6.5 mm湿度敏感等级:1
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:HTSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):250认证状态:Not Qualified
座面最大高度:1.2 mm最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)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 mm
Base Number Matches:1

LT5514EFE#TRPBF 数据手册

 浏览型号LT5514EFE#TRPBF的Datasheet PDF文件第2页浏览型号LT5514EFE#TRPBF的Datasheet PDF文件第3页浏览型号LT5514EFE#TRPBF的Datasheet PDF文件第4页浏览型号LT5514EFE#TRPBF的Datasheet PDF文件第5页浏览型号LT5514EFE#TRPBF的Datasheet PDF文件第6页浏览型号LT5514EFE#TRPBF的Datasheet PDF文件第7页 
LT5514  
Ultralow Distortion IF  
Amplifier/ADC Driver with  
Digitally Controlled Gain  
U
FEATURES  
DESCRIPTIO  
TheLT®5514isaprogrammablegainamplifier(PGA)with  
bandwidth extending from low frequency (LF) to 850MHz.  
It consists of a digitally controlled variable attenuator,  
followed by a high linearity amplifier. The amplifier is  
configured with two identical transconductance amplifi-  
ers, hard wired in parallel with individual dedicated enable  
pins. When both amplifiers are enabled (Standard mode),  
the LT5514 offers an OIP3 of +47dBm (at 100MHz).  
Power dissipation can be reduced when a single amplifier  
is enabled (Low Power mode). Four parallel digital inputs  
control the gain over a 22.5dB range with 1.5dB step  
resolution. An on-chip power supply regulator/filter helps  
isolatetheamplifiersignalpathfromexternalnoisesources.  
Output IP3 at 100MHz: 47dBm  
Maximum Output Power: 21dBm  
Bandwidth: LF to 850MHz  
Propagation Delay: 0.8ns  
Maximum Gain: 33dB  
Noise Figure: 7.3dB (Max Gain)  
Gain Control Range: 22.5dB  
Gain Control Step: 1.5dB  
Gain Control Settling Time: 500ns  
Output Noise Floor: –134dBm/Hz (Max Gain)  
Reverse Isolation: –80dB  
Single Supply: 4.75V to 5.25V  
Low Power Mode  
Shutdown Mode  
The LT5514’s open-loop architecture offers stable opera-  
tion for any practical load conditions, including peaking-  
free AC response when driving capacitive loads, and  
excellent reverse isolation.  
Enable/Disable Time: 1µs  
Differential I/O Interface  
20-Lead TSSOP Package  
U
APPLICATIO S  
The LT5514 may be operated broadband, where the out-  
put differential RC time constant sets the bandwidth, or it  
may be used as a narrowband driver with the appropriate  
output filter.  
High Linearity ADC Driver  
IF Sampling Receivers  
VGA IF Power Amplifier  
50Driver  
Instrumentation Applications  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Output IP3 vs Frequency  
(Standard Mode)  
56  
53  
50  
5V  
CHOKE  
CHOKE  
0.1µF  
0.1µF  
0.1µF  
R
OUT  
= 200  
47  
44  
41  
38  
35  
IF  
AMP  
RF  
INPUT  
IF  
BPF  
100Ω  
LT5514  
ADC  
R = 100Ω  
OUT  
5514 TA01  
LO  
0.1µF  
GAIN CONTROL  
4 LINES  
50  
100  
FREQUENCY (MHz)  
200  
0
150  
5514 TA02  
5514f  
1

LT5514EFE#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LT5514EFE#PBF Linear

完全替代

LT5514 - Ultralow Distortion IF Amplifier/ADC Driver with Digitally Controlled Gain; Packa

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