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LTC1854CG PDF预览

LTC1854CG

更新时间: 2024-11-18 05:43:43
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
24页 299K
描述
8-Channel, ±10V Input 12-/14-/16-Bit, 100ksps ADC Converters with Shutdown

LTC1854CG 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP28,.3
针数:28Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.47最大模拟输入电压:10 V
最小模拟输入电压:-10 V最长转换时间:5 µs
转换器类型:ADC, PROPRIETARY METHODJESD-30 代码:R-PDSO-G28
JESD-609代码:e0长度:10.2 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:8位数:12
功能数量:1端子数量:28
最高工作温度:70 °C最低工作温度:
输出位码:2'S COMPLEMENT BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP28,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):235
电源:5 V认证状态:Not Qualified
采样速率:0.1 MHz采样并保持/跟踪并保持:SAMPLE
座面最大高度: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:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:5.3 mm

LTC1854CG 数据手册

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LTC1854/LTC1855/LTC1856  
8-Channel, ±10V Input  
12-/14-/16-Bit, 100ksps ADC  
Converters with Shutdown  
U
FEATURES  
DESCRIPTIO  
The LTC®1854/LTC1855/LTC1856 are 8-channel, low  
power, 12-/14-/16-bit, 100ksps, analog-to-digital con-  
verters (ADCs). These ADCs operate from a single 5V  
supplyandthe8-channelmultiplexercanbeprogrammed  
for single-ended inputs, pairs of differential inputs, or  
combinations of both. In addition, all channels are fault  
protected to ±30V. A fault condition on any channel will  
not affect the conversion result of the selected channel.  
Single 5V Supply  
Sample Rate: 100ksps  
8-Channel Multiplexer with ±30V Protection  
±10V Bipolar Input Range  
Single Ended or Differential  
±3LSB INL for the LTC1856, ±1.5LSB INL for the  
LTC1855, ±1LSB INL for the LTC1854  
Power Dissipation: 40mW (Typ)  
SPI/MICROWIRETM Compatible Serial I/O  
An onboard precision reference minimizes external com-  
ponents. Powerdissipationis40mWat100kspsandlower  
in two power shutdown modes (27.5mW in Nap mode and  
40mW in Sleep mode.) DC specifications include ±3LSB  
INL for the LTC1856, ±1.5LSB INL for the LTC1855 and  
±1LSB for the LTC1854.  
Power Shutdown: Nap and Sleep  
SINAD: 87dB (LTC1856)  
Operates with Internal or External Reference  
Internal Synchronized Clock  
28-Pin SSOP Package  
U
APPLICATIO S  
The internal clock is trimmed for 5ms maximum conver-  
sion time and the sampling rate is guaranteed at 100ksps.  
Aseparateconvertstartinputanddatareadysignal(BUSY)  
ease connections to FIFOs, DSPs and microprocessors.  
Industrial Process Control  
Multiplexed Data Acquisition Systems  
High Speed Data Acquisition for PCs  
Digital Signal Processing  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
100kHz, 12-Bit/14-/16-Bit Sampling ADC  
LTC1856 Typical INL Curve  
2.0  
COM  
CH0  
CH1  
CH2  
CH3  
CH4  
CH5  
CH6  
CH7  
CONVST  
1.5  
1.0  
0.5  
0
RD  
SCK  
SDI  
LTC1854/  
LTC1855/  
LTC1856  
μP  
CONTROL  
LINES  
SOFTWARE-PROGRAMMABLE  
SINGLE-ENDED OR  
DGND  
SDO  
BUSY  
DIFFERENTIAL INPUTS  
±10V BIPOLAR INPUT RANGE  
–0.5  
–1.0  
–1.5  
–2.0  
3V TO 5V  
5V  
5V  
OV  
DV  
AV  
DD  
DD  
DD  
+
MUXOUT  
MUXOUT  
AGND3  
AGND2  
REFCOMP  
0.1μF  
10μF  
10μF  
0.1μF  
10μF  
0.1μF  
+
ADC  
ADC  
–32768  
–16384  
0
16384  
32767  
AGND1  
V
2.5V  
REF  
CODE  
1μF  
10μF  
0.1μF  
185456 G01  
185456fa  
1

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