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Murata's integrated modules for RS485 and TTL interfaces provide isolated power, samples available now from Anglia
Murata has announced the NM485D6S5MC and NMTTLD6S5MC low power electrically isolated data communication devices from Murata Power Solutions, to provide RS485 or TTL interfaces with isolated power. No external components are needed; a single 5V supply allows function on either side of the isolation boundary. With the combination of isolated data communication and power in a single module, the devices save space and design time.
The NM485D6S5MC is designed for single channel, full duplex, data communication or multipoint bus transmission. The device combines a tri-state differential line driver and a differential input line receiver. The driver and receiver have active high and active low enables respectively that can be connected to function as direction control. It is designed for industrial applications with an operating temperature range from -40 to +85°C and a tested isolation of 3 kVac RMS in a surface-mount package measuring only 18.16 mm x 14.5 mm. Single channel full duplex isolation is provided for the NM485; the device has UL60950 approval pending for reinforced insulation to 250 VAC.
Providing quad channel digital isolation for NMTTL, the NMTTLD6S5MC has two transmit and two receive lines for data rates up to 25 Mbps. It is also designed for industrial applications and features an operating temperature range from -40 to +95°C and a tested isolation of 1500 Vac RMS in a surface-mount package measuring only 16.9 mm x 14.5 mm. The device has UL60950 approval pending for basic insulation to 250 VAC.
Both devices provide a regulated 5V output for digital circuitry, as well as unregulated ±6V isolated outputs for powering analogue circuitry, A/D or OP-AMPs. Similarly, both devices have ANSI/AAMI ES60601-1, 2 x MOOPs (NMTTL has just one) and 1 x MOPPs safety recognition pending at 250 VAC, offering ease of system approval for medical systems safety approval purposes. The devices' very low coupling capacitance figure of 5 pF typical reduces system EMI problems.
With the unique combination of isolated data communication and power in a single module, the new products save space and design time. Compared to the competition, the devices offer higher levels of isolated output power with the added benefit of a ±6V user accessible output.
Features
- Full data and power isolation for RS485 and TTL
- ANSI/AAMI ES60601-1 safety recognition pending at 250VAC for NM485: 2 x MOOPs and 1 x MOPP; NMTTL: 1 x MOPP and 1 x MOOP
- Very low coupling capacitance 5pF typical
- External isolated Regulated +5V available
- External isolated Unregulated +/-6V available
- Industrial temperature range -40°C to +85°C
Click here for more information or to buy from Anglia Live.
Click here to download NM485D6S5MC datasheet.
Click here to download NMTTLD6S5MC datasheet.
Anglia are offering FREE samples of the NM485D6S5MC and NMTTLD6S5MC low power electrically isolated data communication devices from Murata Power Solutions, please fill in the form below to register interest now.
Requesting....
To register for FREE samples of the NM485D6S5MC and NMTTLD6S5MC low power electrically isolated data communication devices from Murata Power Solutions, please fill in the form below
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Free samples are subject to availability.
For more information, or details on the full range of Murata products available from Anglia, please email info@anglia.com
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This news article was originally published in May 2017.
