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LT1993CUD-4#TR PDF预览

LT1993CUD-4#TR

更新时间： 2024-11-04 13:00:43
品牌 Logo 应用领域
凌特 - Linear 驱动器运算放大器放大器电路功率放大器
页数 文件大小 规格书
16页 713K
描述
LT1993-4 - 900MHz Low Distortion, Low Noise Differential Amplifier/ADC Driver (AV = 4V/V); Package: QFN; Pins: 16; Temperature Range: 0°C to 70°C

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LT1993CUD-4#TR 技术参数

是否Rohs认证：不符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC16,.12SQ,20
针数：16Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.32Is Samacsys：N
放大器类型：OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB)：15 µA
标称共模抑制比：70 dB最大输入失调电压：10000 µV
JESD-30 代码：S-PQCC-N16JESD-609代码：e0
长度：3 mm湿度敏感等级：1
负供电电压上限：标称负供电电压 (Vsup)：
功能数量：1端子数量：16
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC16,.12SQ,20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）：235
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm标称压摆率：1100 V/us
子类别：Operational Amplifier最大压摆率：112 mA
供电电压上限：5.5 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)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：20宽度：3 mm
Base Number Matches：1

LT1993CUD-4#TR 数据手册

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LT1993-4  
900MHz Low Distortion, Low  
Noise Differential Amplifier/  
ADC Driver (AV = 4V/V)  
U
DESCRIPTIO  
FEATURES  
The LT®1993-4 is a low distortion, low noise Differential  
Amplifier/ADC driver for use in applications from DC to  
900MHz. The LT1993-4 has been designed for ease of  
use, with minimal support circuitry required. Exception-  
ally low input-referred noise and low distortion products  
(with either single-ended or differential inputs) make the  
LT1993-4 an excellent solution for driving high speed 12-  
bit and 14-bit ADCs. In addition to the normal unfiltered  
outputs (+OUT and –OUT), the LT1993-4 has a built-in  
175MHz differential lowpass filter and an additional pair  
of filtered outputs (+OUTFILTERED, –OUTFILTERED) to  
reduce external filtering components when driving high  
speedADCs.Theoutputcommonmodevoltageiseasilyset  
■
900MHz –3dB Bandwidth  
■
Fixed Gain of 4V/V (12dB)  
■
Low Distortion:  
40dBm OIP3, –73dBc HD3 (70MHz 2V  
)
)
P-P  
P-P  
51dBm OIP3, –94dBc HD3 (10MHz 2V  
■
Low Noise: 14.5dB NF, e = 2.35nV/√Hz (70MHz)  
n
■
■
■
■
■
■
Differential Inputs and Outputs  
Additional Filtered Outputs  
Adjustable Output Common Mode Voltage  
DC- or AC-Coupled Operation  
Minimal Support Circuitry Required  
Small 0.75mm Tall 16-Lead 3 × 3 QFN Package  
U
via the V  
pin, eliminating either an output transformer  
or AC-coupling capacitors in many applications.  
APPLICATIO S  
OCM  
■
Differential ADC Driver for:  
The LT1993-4 is designed to meet the demanding require-  
ments of communications transceiver applications. It can  
be used as a differential ADC driver, a general-purpose  
differential gain block, or in any other application requir-  
ing differential drive. The LT1993-4 can be used in data  
acquisition systems required to function at frequencies  
down to DC.  
Imaging  
Communications  
Differential Driver/Receiver  
Single Ended to Differential Conversion  
Differential to Single Ended Conversion  
Level Shifting  
IF Sampling Receivers  
SAW Filter Interfacing/Buffering  
■
■
■
■
■
■
The LT1993-4 operates on a 5V supply and consumes  
100mA. It comes in a compact 16-lead 3 × 3 QFN package  
and operates over a –40°C to 85°C temperature range.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
4-Tone WCDMA Waveform,  
LT1993-4 Driving LTC2255  
14-Bit ADC at 92.16Msps  
ADC Driver with Single-Ended to Differential Conversion  
0
32768 POINT FFT  
–10  
TONE CENTER FREQUENCIES  
1:1  
Z-RATIO  
0.1µF  
–20  
–30  
AT 62.5MHz, 67.5MHz,  
72.5MHz, 77.5MHz  
70MHz  
IF IN  
–INB  
–INA  
12.2Ω  
–OUT  
–40  
AIN–  
LTC2255  
–OUTFILTERED  
–50  
100Ω  
0.1µF  
82nH 52.3pF  
LT1993-4  
–60  
ADC  
+OUTFILTERED  
–70  
+INB  
AIN+  
+OUT  
OCM  
MA/COM  
ETC1-1-13  
–80  
12.2Ω  
+INA  
V
LTC2255 125Msps  
14-BIT ADC SAMPLING  
AT 92.16Msps  
–90  
ENABLE  
–100  
–110  
–120  
2.2V  
12dB GAIN  
19934 TA01  
0
10 15 20 25 30 35 40 45  
FREQUENCY (MHz)  
5
LT19934 TA02  
19934fa  
1
1234567...16

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