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LTC1276ACS

更新时间： 2024-11-11 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
24页 449K
描述
12-Bit, 300ksps Sampling A/D Converters with Reference

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中文翻译

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LTC1276ACS 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP24,.4
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.67最大模拟输入电压：5 V
最小模拟输入电压：-5 V最长转换时间：2.7 µs
转换器类型：ADC, SUCCESSIVE APPROXIMATIONJESD-30 代码：R-PDSO-G24
JESD-609代码：e0长度：15.4 mm
最大线性误差 (EL)：0.0122%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：70 °C最低工作温度：
输出位码：BINARY, 2'S COMPLEMENT BINARY输出格式：PARALLEL, 8 BITS, PARALLEL, WORD
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP24,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：245
电源：+-5 V认证状态：Not Qualified
采样速率：0.3 MHz采样并保持/跟踪并保持：SAMPLE
座面最大高度：2.65 mm子类别：Analog to Digital Converters
最大压摆率：25 mA标称供电电压：5 V
表面贴装：YES技术：BICMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.5 mmBase Number Matches：1

LTC1276ACS 数据手册

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LTC1273  
LTC1275/LTC1276  
12-Bit, 300ksps Sampling  
A/D Converters with Reference  
U
DESCRIPTIO  
EATURE  
S
F
■
■
■
■
■
■
■
■
■
■
■
Single Supply 5V or ±5V Operation  
TheLTC1273/LTC1275/LTC1276are300ksps, sampling  
12-bit A/D converters that draw only 75mW from single  
5V or ±5V supplies. These easy-to-use devices come  
complete with 600ns sample-and-holds, precision refer-  
ences and internally trimmed clocks. Unipolar and bipo-  
larconversionmodesprovideflexibilityforvariousappli-  
cations. They are built with LTBiCMOSTM switched ca-  
pacitor technology.  
300ksps Sample Rate  
75mW (Typ) Power Dissipation  
On-Chip 25ppm/°C Reference  
Internal Synchronized Clock; No Clock Required  
High Impedance Analog Input  
70dB S/(N + D) and 77dB THD at Nyquist  
±1/2LSB INL and ±3/4LSB DNL Max (A Grade)  
ESD Protected On All Pins  
These devices have 25ppm/°C (max) internal references.  
The LTC1273 converts 0V to 5V unipolar inputs from a  
single 5V supply. The LTC1275/LTC1276 convert ±2.5V  
and ±5V respectively from ±5V supplies. Maximum DC  
specifications include ±1/2LSB INL, ±3/4LSB DNL and  
25ppm/°C full scale drift over temperature. Outstanding  
AC performance includes 70dB S/(N + D) and 77dB THD  
at the Nyquist input frequency of 150kHz.  
24-Pin Narrow DIP and SOL Packages  
Variety of Input Ranges:  
0V to 5V (LTC1273)  
±2.5V (LTC1275)  
±5V (LTC1276)  
O U  
PPLICATI  
S
A
The internal clock is trimmed for 2.7µs maximum conver-  
sion time. The clock automatically synchronizes to each  
sample command eliminating problems with asynchro-  
nous clock noise found in competitive devices. A high  
speed parallel interface eases connections to FIFOs, DSPs  
and microprocessors.  
■
■
■
■
■
High Speed Data Acquisition  
Digital Signal Processing  
Multiplexed Data Acquisition Systems  
Audio and Telecom Processing  
Spectrum Analysis  
LTBiCMOSTM is a trademark of Linear Technology Corporation  
U
O
TYPICAL APPLICATI  
Effective Bits and Signal to (Noise + Distortion)  
vs Input Frequency  
Single 5V Supply, 300ksps, 12-Bit Sampling A/D Converter  
LTC1273  
5V  
12  
11  
10  
9
74  
68  
62  
56  
50  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
ANALOG INPUT  
(0V TO 5V)  
A
V
V
DD  
IN  
2.42V  
REF  
OUTPUT  
+
NC  
BUSY  
CS  
0.1µF  
V
REF  
10µF  
NYQUIST  
FREQUENCY  
+
3
0.1µF  
AGND  
D11  
D10  
D9  
10µF  
4
µP CONTROL  
LINES  
8
5
RD  
7
6
HBEN  
NC  
6
7
D8  
5
8
D7  
NC  
4
9
D6  
D0/8  
D1/9  
D2/10  
D3/11  
3
10  
11  
12  
8- OR 12-BIT  
PARALLEL BUS  
D5  
2
D4  
1
f
= 300kHz  
SAMPLE  
DGND  
0
10k  
100k  
1M 2M  
INPUT FREQUENCY (Hz)  
LTC1273/75/76 • TA02  
LTC1273/75/76 • TA01  
1
1234567...24

中文翻译

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