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LTC1278-4IN PDF预览

LTC1278-4IN

更新时间： 2024-09-23 22:57:35
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
16页 332K
描述
12-Bit, 500ksps Sampling A/D Converter with Shutdown

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中文翻译

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LTC1278-4IN 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP24,.3
针数：24Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.11最大模拟输入电压：2.5 V
最小模拟输入电压：-2.5 V最长转换时间：2.3 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-PDIP-T24
JESD-609代码：e0最大线性误差 (EL)：0.0244%
湿度敏感等级：1标称负供电电压：-5 V
模拟输入通道数量：1位数：12
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
输出位码：BINARY, 2'S COMPLEMENT BINARY输出格式：PARALLEL, WORD
封装主体材料：PLASTIC/EPOXY封装代码：DIP
封装等效代码：DIP24,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：+-5,5/5,5 V认证状态：Not Qualified
采样速率：0.4 MHz采样并保持/跟踪并保持：SAMPLE
座面最大高度：3.937 mm子类别：Analog to Digital Converters
最大压摆率：29.5 mA标称供电电压：5 V
表面贴装：NO技术：CMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

LTC1278-4IN 数据手册

 浏览型号LTC1278-4IN的Datasheet PDF文件第2页浏览型号LTC1278-4IN的Datasheet PDF文件第3页浏览型号LTC1278-4IN的Datasheet PDF文件第4页浏览型号LTC1278-4IN的Datasheet PDF文件第5页浏览型号LTC1278-4IN的Datasheet PDF文件第6页浏览型号LTC1278-4IN的Datasheet PDF文件第7页 
LTC1278  
12-Bit, 500ksps Sampling  
A/D Converter with Shutdown  
U
DESCRIPTIO  
EATURE  
Single Supply 5V or ±5V Operation  
Two Speed Grades,500ksps (LTC1278-5)  
400ksps (LTC1278-4)  
70dB S/(N + D) and 74dB THD at Nyquist  
No Missing Codes Over Temperature  
75mW (Typ) Power Dissipation  
Power Shutdown with Instant Wake-Up  
Internal Reference Can Be Overdriven Externally  
Internal Synchronized Clock; No Clock Required  
High Impedance Analog Input  
S
F
The LTC®1278 is a 1.6µs, 500ksps, sampling 12-bit A/D  
converter that draws only 75mW from a single 5V or±5V  
supplies. This easy-to-use device comes complete with  
a 200ns sample-and-hold, a precision reference and an  
internally trimmed clock. Unipolar and bipolar conver-  
sion modes add to the flexibility of the ADC. The low  
power dissipation is made even more attractive by a  
8.5mWpower-downfeature. Instantwake-upfromshut-  
down allows the converter to be powered down even  
during brief inactive periods.  
■
■
■
■
■
■
■
■
■
■
■
0V to 5V or ±2.5V Input Range  
New Flexible, Friendly Parallel Interface to DSPs  
and FIFOs  
The LTC1278 converts 0V to 5V unipolar inputs from a  
single 5V supply and ±2.5V bipolar inputs from ±5V  
supplies. Maximum DC specs include ±1LSB INL and  
±1LSB DNL. Outstanding guaranteed AC performance  
includes 70dB S/(N + D) and 78dB THD at the input  
frequency of 100kHz over temperature.  
■
24-Pin Narrow PDIP and SW Packages  
O U  
PPLICATI  
A
S
■
■
■
■
■
High Speed Data Acquisition  
The internal clock is trimmed for 1.6µs conversion time.  
The clock automatically synchronizes to each sample  
command,eliminatingproblemswithasynchronousclock  
noise found in competitive devices. A separate convert  
start input and a data ready signal (BUSY) ease connec-  
tions to FIFOs, DSPs and microprocessors.  
Digital Signal Processing  
Multiplexed Data Acquisition Systems  
Audio and Telecom Processing  
Spectrum Analysis  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
O
TYPICAL APPLICATI  
Single 5V Supply, 500kHz, 12-Bit Sampling A/D Converter  
Effective Bits and Signal-to-(Noise + Distortion)  
vs Input Frequency  
LTC1278-5  
5V  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
ANALOG INPUT  
(0V TO 5V)  
12  
11  
10  
9
74  
68  
62  
56  
A
V
AV  
DD  
IN  
2.42V  
REFERENCE  
OUTPUT  
+
V
0.1µF  
REF  
SS  
BUSY  
D11(MSB) CS  
10µF  
+
3
0.1µF  
AGND  
NYQUIST  
FREQUENCY  
10µF  
4
µP CONTROL  
5
LINES  
8
D10  
D9  
RD  
CONVST  
SHDN  
6
CONVERSION START INPUT  
POWER DOWN INPUT  
7
7
6
D8  
8
5
D7  
DV  
DD  
9
D6  
D0  
D1  
D2  
D3  
4
10  
11  
12  
12-BIT  
PARALLEL  
BUS  
3
D5  
2
D4  
1
DGND  
f
= 500kHz  
SAMPLE  
0
10k  
100k  
INPUT FREQUENCY (Hz)  
1M 2M  
LT1278 G4  
LTC1278 • TA01  
1
1234567...16

中文翻译

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LTC1278-4IN 替代型号

型号 品牌 替代类型 描述 数据表
LTC1278-4CN Linear

完全替代

 12-Bit, 500ksps Sampling A/D Converter with Shutdown

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