Wired Transceivers & Modems | NCN5193
HART CMOS 调制解调器
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概览
NCN5193 是一种单芯片 CMOS 调制解调器，用于可寻址远程传感器数据公路 (HART) 现场仪器和主节点。该调制解调器结合几个外部无源部件，可提供满足 HART 物理层要求所需的所有功能，包括调制、解调、接收滤波、载波器检测以及发射信号整形。此外，NCN5193 还有一个集成 DAC，用于实施低 BOM 电流回路从发射器。NCN5193 在每秒 1200 位的速度下使用相位连续移频键控 (FSK)。为了节省电能，在发射运行期间接收电路将被禁用，反之亦然。这提供了用于 HART 通信的半双工运行。
- HART Multiplexers
- HART Modem Interfaces
- 4-20 mA Loop Powered Transmitters
- Single-chip, Half-duplex 1200 Bits per Second FSK Modem
- Bell 202 Shift Frequencies of 1200 Hz and 2200 Hz
- Transmit - signal Wave Shaping
- Receive Band - pass Filter
- Low Power
- Internal Oscillator Requires 460.8 kHz, 920 kHz or 1.8 MHz Crystal or Ceramic Resonator
- SPI Communication
- Integrated 16 bit Sigma-Delta DAC
- Meets HART Physical Layer Requirements
- Industrial Temperature Range of -40°C to +85°C
- Available in 32-pin NQFP Package
- These are Pb-Free Devices
- 1.8 V - 3.5 V Power Supply
- Compatible with 1.8 V or 3.3 V Microcontroller
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Pb
A
H
P
QFN-32
3
260
REEL
1000
N
HART
1200 baud
1
1
1.8
3.5
0.02
550
-
Price N/A
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