Overview
The NCN5192MNG, produced by onsemi, is a single-chip, CMOS modem designed for use in Highway Addressable Remote Transducer (HART) field instruments and masters. This modem integrates all the necessary functions to meet HART physical layer requirements, including modulation, demodulation, receive filtering, carrier detection, and transmit-signal shaping. It also features an integrated 16-bit Sigma-Delta DAC for low-BOM current loop slave transmitter implementation. The NCN5192MNG operates at a half-duplex mode with a bit rate of 1200 bits per second using phase continuous frequency shift keying (FSK) with frequencies of 1200 Hz and 2200 Hz.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Ambient Temperature (TA) | -40 | 85 | °C | |
| Supply Voltage (VDD) | 3.0 | 5.5 | V | |
| Input Voltage, Low (VIL) | 0.3 * VDD | V | ||
| Input Voltage, High (VIH) | 0.7 * VDD | V | ||
| Output Voltage, Low (VOL) | 0.4 | V | ||
| Output Voltage, High (VOH) | 2.4 | V | ||
| Bit Rate | 1200 | bits per second | ||
| Frequency Shift Keying (FSK) Frequencies | 1200 Hz, 2200 Hz | Hz | ||
| Package Type | 32-pin NQFP |
Key Features
- Single-chip, half-duplex 1200 bits per second FSK modem
- Bell 202 shift frequencies of 1200 Hz and 2200 Hz
- 3.0 V to 5.5 V power supply
- Transmit-signal wave shaping and receive band-pass filtering
- Low power consumption, optimal for intrinsically safe applications
- Compatible with 3.3 V or 5 V microcontrollers
- Internal oscillator with options for 460.8 kHz, 920 kHz, or 1.8 MHz crystal or ceramic resonator
- SPI communication interface
- Integrated 16-bit Sigma-Delta DAC
- Meets HART physical layer requirements
- Industrial temperature range of -40°C to +85°C
Applications
- HART multiplexers
- HART modem interfaces
- 4 - 20 mA loop powered transmitters
Q & A
- What is the primary function of the NCN5192MNG?
The NCN5192MNG is a single-chip modem designed for use in Highway Addressable Remote Transducer (HART) field instruments and masters, providing modulation, demodulation, and other necessary functions for HART communication.
- What are the operating frequencies of the NCN5192MNG?
The NCN5192MNG operates at frequencies of 1200 Hz and 2200 Hz for FSK modulation.
- What is the bit rate of the NCN5192MNG?
The bit rate is 1200 bits per second.
- What is the power supply voltage range for the NCN5192MNG?
The power supply voltage range is 3.0 V to 5.5 V.
- Is the NCN5192MNG compatible with 3.3 V or 5 V microcontrollers?
- What type of package does the NCN5192MNG come in?
The NCN5192MNG comes in a 32-pin NQFP package.
- What is the temperature range for the NCN5192MNG?
The industrial temperature range is -40°C to +85°C.
- Does the NCN5192MNG have an integrated DAC?
- How does the NCN5192MNG conserve power?
The receive circuits are disabled during transmit operations and vice versa, providing half-duplex operation.
- What communication interface does the NCN5192MNG use?
The NCN5192MNG uses an SPI communication interface.
- What are some typical applications of the NCN5192MNG?
Typical applications include HART multiplexers, HART modem interfaces, and 4 - 20 mA loop powered transmitters.
