Texas Instruments offers the DP83TD510E, an ultra-low-power Ethernet PHY that is compliant with the IEEE 802.3cg 10Base-T1L specification. The PHY has a very low-noise coupled-receiver architecture that enables long cable reach and very low power dissipation. The device can interface with the MAC layer through MII, reduced MII (RMII), RGMII, and RMII low-power 5 MHz master-mode interfaces.
The DP83TD510E has external MDI termination to support intrinsic safety requirements. Moreover, the device supports RMII back-to-back mode for applications that require cable reach extension beyond 2,000 meters. The PHY also supports a 25 MHz reference clock output to clock other modules on the system.
One of the most notable features of the DP83TD510E is its integrated cable diagnostic tools. These include built-in self-test and loopback capabilities, which make it easy to design and debug Ethernet-based systems. The built-in self-test feature checks the integrity of the PHY's transmitter and receiver circuits, while loopback mode enables the local testing of the PHY's transmit and receive functions.
Overall, Texas Instruments' DP83TD510E PHY offers a range of features that make it an excellent choice for Ethernet-based systems. Its low-power, long cable reach, and integrated cable diagnostic tools make it ideal for a wide range of applications in industrial automation, automotive, and other industries.
Long cable reach:
2,000 meters+ with 1 V p2p
2,000 meters+ with 2.4 V p2p
Ultra-low-power:
38 mW for 1 V p2p mode
82 mW for 2.4 V p2p mode
Compliant to IEEE 802.3cg 10Base-T1L
IEC 61000-4-4 EFT: ±4 kV at 5 KHz, 100 KHz
IEC61000-4-5 surge: ±2 kV at 1,2/50 µs, 8/20 µs
IEC 61000-4-2 contact discharge: ±4 kV and air discharge: ±8 kV
I/O voltages: 1.8 V, 2.5 V, or 3.3 V
CISPR22 radiated emission Class B
External MDI terminations for intrinsic safety
Clock output: 25 MHz, 50 MHz (RMII master)
HBM ESD protection: ±6 kV on MDI pins
Operating temperature range: -40°C to +105°C
Package: 5 mm x 5 mm, 32-pin with 0.5 mm pitch
MAC interface:
MII mode
RMII master-/slave-mode
RGMII mode
RMII master low-power 5 MHz mode
RMII back-to-back mode for the range extender
Power supply:
Single supply operations from 3.3 V
Dual supply operations for the lowest power dissipation
Diagnostics tool kit:
Cable open and short detection
Signal quality indicator (SQI) for cable degradation
Active link cable diagnostics (ALCD)
Process automation:
Field transmitters and switches
Factory automation and controls
Building automation:
HVAC controllers
Elevators and escalators
Fire safety
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