DMX250 datasheet(5/28 Pages) YAMAR

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Data may be changed without notice - Proprietary information of Yamar Electronics Ltd.

DS-DMX250 R 0.80

www.yamar.com

Tel: +972-3-5445294 Fax: +972-3-5445279

Name

Pin #

Pin type

Internal

PU/PD

Description

TXO

Analog Output

Max 66 mA

Powerline Transmit signal out

TXON

State

REG_1[3]

TX level

[V-p-p]

Impedance [Ω]

High

'0'

'1' (Default)

Low

High Z

5.3k

1Series output impedance

2Input impedance referenced to VREF

RXI

Analog Input

Powerline receive Input

VREF

Analog Output

Analog out reference VCC/2 for filtering capacitor. Place 1uF

between VREF to AGND. The VREF is used as a virtual ground

for the external analog circuitry.

FILTERI

Analog,

Bi-directional

External filter I/O

FILTERO

Analog,

Bi-directional

External filter I/O

OSCO

Analog output

16MHz Crystal Output

OSCI

Analog Input

16MHz Crystal Input

Analog Input

External inductor L1 (pin capacitance should be maximal

1pF), see ‎2.5.4.

Analog Input

External inductors L2 (optional), see ‎2.5.4.

AVCC

Power

Analog 3.3V supply

AGND

22,28

Power

Analog ground

VCAP

Power

1.8V core supply output for filtering capacitor. Place 4.7uF

between VCAP and DGND.

DGND

Power

Digital Ground

DVCC

5,14

Power

Digital 3.3V supply

GNDPLL

Power

Analog Ground

PLLCAP

Power

PLL 1.8V output to a filtering capacitor. Place 1uF between

PLLCAP and GNDPLL.

EXP

Power

Expose pad, should be connected to DGND.

PD – Internal Pull-down resistor 50K ohm +/-%30

PU – Internal Pull-up resistor 50K ohm +/-%30

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