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LTC1860LCMS8#TRPBF PDF预览

LTC1860LCMS8#TRPBF

更新时间: 2024-01-04 13:18:50
品牌 Logo 应用领域
凌特 - Linear 转换器模数转换器光电二极管
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LTC1860LCMS8#TRPBF 数据手册

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LTC1860L/LTC1861L  
µPower, 3V, 12-Bit, 150ksps  
1- and 2-Channel ADCs in MSOP  
U
FEATURES  
DESCRIPTIO  
The LTC®1860L/LTC1861L are 12-bit A/D converters that  
are offered in MSOP and SO-8 packages and operate on a  
single 3V supply. At 150ksps, the supply current is only  
450µA. The supply current drops at lower speeds because  
the LTC1860L/LTC1861L automatically power down be-  
tween conversions. These 12-bit switched capacitor suc-  
cessive approximation ADCs include sample-and-holds.  
The LTC1860L has a differential analog input with an  
external reference pin. The LTC1861L offers a software-  
selectable2-channelMUXandanexternalreferencepinon  
the MSOP version.  
12-Bit 150ksps ADCs in MSOP Package  
Single 3V Supply  
Low Supply Current: 450µA (Typ)  
Auto Shutdown Reduces Supply Current  
to 10µA at 1ksps  
True Differential Inputs  
1-Channel (LTC1860L) or 2-Channel (LTC1861L)  
Versions  
SPI/MICROWIRETM Compatible Serial I/O  
High Speed Upgrade to LTC1285/LTC1288  
Pin Compatible with 16-Bit LTC1864L/LTC1865L  
No Minimum Data Transfer Rate  
The 3-wire, serial I/O, MSOP or SO-8 package and  
extremely high sample rate-to-power ratio make these  
ADCs ideal choices for compact, low power, high speed  
systems.  
U
APPLICATIO S  
High Speed Data Acquisition  
Portable or Compact Instrumentation  
TheseADCscanbeusedinratiometricapplicationsorwith  
external references. The high impedance analog inputs  
and the ability to operate with reduced spans down to 1V  
fullscaleallowdirectconnectiontosignalsourcesinmany  
applications, eliminatingtheneedforexternalgainstages.  
Low Power Battery-Operated Instrumentation  
Isolated and/or Remote Data Acquisition  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
MICROWIRE is a trademark of National Semiconductor Corporation.  
U
TYPICAL APPLICATIO  
Supply Current vs Sampling Frequency  
1000  
Single 3V Supply, 150ksps, 12-Bit Sampling ADC  
CONV LOW = 1.5µs  
T
= 25°C  
A
1µF  
V
= 2.7V  
CC  
100  
3V  
LTC1860L  
10  
1
1
2
3
4
8
7
6
V
V
CC  
REF  
+
IN  
IN  
SCK  
SDO  
ANALOG INPUT  
0V TO 3V  
SERIAL DATA LINK TO  
ASIC, PLD, MPU, DSP  
OR SHIFT REGISTERS  
5
GND  
CONV  
1860L TA01  
0.1  
0.01  
0.1  
1
10  
100  
1000  
SAMPLING FREQUENCY (kHz)  
1860L/61L TA02  
18601Lf  
1

LTC1860LCMS8#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
ADS8320EB/250 TI

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