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LTC1742IFW#PBF PDF预览

LTC1742IFW#PBF

更新时间: 2024-01-12 01:12:55
品牌 Logo 应用领域
凌特 - Linear 光电二极管转换器
页数 文件大小 规格书
20页 569K
描述
LTC1742 - 14-Bit, 65Msps Low Noise ADC; Package: TSSOP; Pins: 48; Temperature Range: -40°C to 85°C

LTC1742IFW#PBF 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:TSSOP, TSSOP48,.3,20
针数:48Reach Compliance Code:compliant
ECCN代码:3A991.C.3HTS代码:8542.39.00.01
风险等级:7.65最大模拟输入电压:1.6 V
最小模拟输入电压:-1 V转换器类型:ADC, PROPRIETARY METHOD
JESD-30 代码:R-PDSO-G48JESD-609代码:e3
长度:12.5 mm最大线性误差 (EL):0.0183%
湿度敏感等级:1模拟输入通道数量:1
位数:14功能数量:1
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C输出位码:OFFSET BINARY, 2'S COMPLEMENT BINARY
输出格式:PARALLEL, WORD封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP48,.3,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):250电源:5 V
认证状态:Not Qualified采样速率:65 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:1.2 mm
子类别:Analog to Digital Converters标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:6.1 mmBase Number Matches:1

LTC1742IFW#PBF 数据手册

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LTC1742  
14-Bit, 65Msps Low Noise ADC  
U
FEATURES  
DESCRIPTIO  
The LTC®1742 is an 65Msps, sampling 14-bit A/D con-  
verter designed for digitizing high frequency, wide dy-  
namic range signals. Pin selectable input ranges of ±1V  
and ±1.6V along with a resistor programmable mode  
allowtheLTC1742’sinputrangetobeoptimizedforawide  
variety of applications.  
Sample Rate: 65Msps  
76.5dB SNR and 90dB SFDR (3.2V Range)  
72.8dB SNR and 90dB SFDR (2V Range)  
No Missing Codes  
Single 5V Supply  
Power Dissipation: 1.275W  
Selectable Input Ranges: ±1V or ±1.6V  
The LTC1742 is perfect for demanding communications  
applications with AC performance that includes 76.5dB  
SNRand90dBspuriousfreedynamicrange.Ultralowjitter  
of0.15psRMS allowsundersamplingofIFfrequencieswith  
excellentnoiseperformance.DCspecsinclude±3LSBINL  
and ±1LSB DNL.  
240MHz Full Power Bandwidth S/H  
Pin Compatible Family  
25Msps: LTC1746 (14-Bit), LTC1745 (12-Bit)  
50Msps: LTC1744 (14-Bit), LTC1743 (12-Bit)  
65Msps: LTC1742 (14-Bit), LTC1741 (12-Bit)  
80Msps: LTC1748 (14-Bit), LTC1747 (12-Bit)  
The digital interface is compatible with 5V, 3V, 2V and  
LVDS logic levels. The ENC and ENC inputs may be driven  
differentially from PECL, GTL and other low swing logic  
families or from single-ended TTL or CMOS. The low  
noise, high gain ENC and ENC inputs may also be driven  
by a sinusoidal signal without degrading performance. A  
separate output power supply can be operated from 0.5V  
to 5V, making it easy to connect directly to low voltage  
DSPs or FIFOs.  
48-Pin TSSOP Package  
U
APPLICATIO S  
Telecommunications  
Receivers  
Cellular Base Stations  
Spectrum Analysis  
Imaging Systems  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
The TSSOP package with a flow-through pinout simplifies  
the board layout.  
W
BLOCK DIAGRA  
65Msps, 14-Bit ADC with a 2V Differential Input Range  
OV  
DD  
0.5V  
TO 5V  
0.1µF  
0.1µF  
+
A
IN  
OF  
D13  
CORRECTION  
LOGIC AND  
SHIFT  
±1V  
DIFFERENTIAL  
ANALOG INPUT  
14  
S/H  
AMP  
14-BIT  
PIPELINED ADC  
OUTPUT  
LATCHES  
D0  
CLKOUT  
A
REGISTER  
IN  
OGND  
SENSE  
BUFFER  
V
DD  
5V  
1µF  
1µF  
RANGE  
SELECT  
DIFF AMP  
1µF  
V
CM  
GND  
2.35V  
REF  
CONTROL LOGIC  
4.7µF  
1742 BD  
REFLB REFHA  
4.7µF  
REFLA REFHB ENC ENC MSBINV  
OE  
0.1µF  
0.1µF  
DIFFERENTIAL  
ENCODE INPUT  
1µF  
1µF  
1742f  
1

LTC1742IFW#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC1742IFW Linear

完全替代

14-Bit, 65Msps Low Noise ADC
LTC1742CFW Linear

类似代替

14-Bit, 65Msps Low Noise ADC

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