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LTC2351CUH-12#TRPBF PDF预览

LTC2351CUH-12#TRPBF

更新时间： 2024-01-08 19:32:02
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
20页 226K
描述
LTC2351-12 - 6 Channel, 12-Bit, 1.5Msps Simultaneous Sampling ADC with Shutdown; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C

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LTC2351CUH-12#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC32,.2SQ,20
针数：32Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.15最大模拟输入电压：1.25 V
最小模拟输入电压：-1.25 V转换器类型：ADC, PROPRIETARY METHOD
JESD-30 代码：S-PQCC-N32JESD-609代码：e3
长度：5 mm最大线性误差 (EL)：0.0244%
湿度敏感等级：1模拟输入通道数量：6
位数：12功能数量：1
端子数量：32最高工作温度：70 °C
最低工作温度：输出位码：OFFSET BINARY, 2'S COMPLEMENT BINARY
输出格式：SERIAL封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,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）：260电源：3 V
认证状态：Not Qualified采样速率：1.5 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：0.8 mm
子类别：Analog to Digital Converters标称供电电压：3 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
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：30
宽度：5 mmBase Number Matches：1

LTC2351CUH-12#TRPBF 数据手册

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LTC2351-12  
6 Channel, 12-Bit, 1.5Msps  
Simultaneous Sampling ADC  
With Shutdown  
FEATURES  
DESCRIPTION  
TheLTC®2351-12isa12-bit, 1.5MspsADCwithsixsimul-  
taneously sampled differential inputs. The device draws  
only 5.5mA from a single 3V supply, and comes in a tiny  
32-pin (5mm × 5mm) QFN package. A Sleep shutdown  
mode further reduces power consumption to 12μW. The  
combination of low power and tiny package makes the  
LTC2351-12 suitable for portable applications.  
n
1.5Msps ADC with 6 Simultaneously Sampled  
Differential Inputs  
n
250ksps Throughput per Channel  
n
72dB SINAD  
n
Low Power Dissipation: 16.5mW  
n
3V Single Supply Operation  
n
2.5V Internal Bandgap Reference, Can be Overdriven  
With External Reference  
The LTC2351-12 contains six separate differential inputs  
that are sampled simultaneously on the rising edge of the  
CONVsignal. Thesesixsampledinputsarethenconverted  
at a rate of 250ksps per channel.  
n
3-Wire SPI-Compatible Serial Interface  
n
Internal Conversion Triggered by CONV  
n
SLEEP (12μW) Shutdown Mode  
NAP (4.5mW) Shutdown Mode  
n
n
The83dBcommonmoderejectionallowsuserstoeliminate  
ground loops and common mode noise by measuring  
signals differentially from the source.  
0V to 2.5V Unipolar, or 1.25V Bipolar Differential  
Input Range  
83dB Common Mode Rejection  
Tiny 32-Pin (5mm × 5mm) QFN Package  
n
n
Thedeviceconverts0Vto2.5Vunipolarinputsdifferentially,  
or 1.25Vbipolarinputsalsodifferentially,dependingonthe  
stateoftheBIPpin.Anyanaloginputmayswingrail-to-rail  
as long as the differential input range is maintained.  
APPLICATIONS  
n
Multiphase Power Measurement  
The conversion sequence can be abbreviated to convert  
fewer than six channels, depending on the logic state of  
the SEL2, SEL1 and SEL0 inputs.  
n
Multiphase Motor Control  
n
Data Acquisition Systems  
Uninterruptable Power Supplies  
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Protected by U.S. Patents including 6084440, 6522187.  
Theserialinterfacesendsoutthesixconversionresultsin96  
clocks for compatibility with standard serial interfaces.  
BLOCK DIAGRAM  
10μF  
3V  
25  
–
+
–
+
–
+
–
+
–
+
–
+
CH5  
21  
CH5  
20 19  
CH4  
18  
CH4  
CH3  
CH3  
CH2  
CH2  
10  
CH1  
CH1  
CH0  
CH0  
V
V
DD  
CC  
17 16 15  
14 12 11  
13  
9
8
7
6
5
4
24  
OV  
3V  
DD  
12-BIT LATCH 0  
12-BIT LATCH 1  
12-BIT LATCH 2  
12-BIT LATCH 3  
12-BIT LATCH 4  
12-BIT LATCH 5  
–
–
–
–
–
3
1
2
–
THREE-  
STATE  
SERIAL  
OUTPUT  
PORT  
S AND H  
S AND H  
S AND H  
S AND H  
S AND H  
S AND H  
SD0  
1.5Msps  
12-BIT ADC  
0.1μF  
OGND  
MUX  
CONV  
SCK  
TIMING  
LOGIC  
30  
32  
31  
2.5V  
REFERENCE  
DGND  
33  
22  
23  
29  
BIP  
26  
27  
28  
235112 TA01  
10μF  
GND  
V
REF  
SEL2 SEL1 SEL0  
235112fa  
1
1234567...20

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