ADM2461EBRWZ-R7 datasheet(5/21 Pages) AD

tên linh kiện	ADM2461EBRWZ-R7

Giải thích chi tiết về linh kiện	500 kbps, 5.7 kV RMS, Signal Isolated RS-485 Transceiver with 짹15 kV IEC ESD

PDF	21 Pages

Scroll/Zoom	100%

nhà sản xuất	AD [Analog Devices]

Trang chủ	http://www.analog.com

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5 / 21 page

Data Sheet

ADM2461E/ADM2463E

Rev. 0 | Page 5 of 21

Timing Diagrams

tDPLH

tDR

tDPHL

tDF

90% POINT

10% POINT

90% POINT

10% POINT

VDIFF = V(Y) – V(Z)

–VO

A – B

OR Y – B

TxD

tSKEW = │tDPLH –tDPHL│

+VO

VDD1

VDD1/2

VO/2

VDD1/2

NOTES

1. Y = A, Z = B FOR ADM2461E/ADM2463E

Figure 3. Driver Propagation Delay, Rise and Fall Timing

VDD1/2

tRPLH

tRPHL

RxD

VOH

A – B

VOL

tSKEW = |tRPLH – tRPHL|

Figure 4. Receiver Propagation Delay

Y, Z

VDD1

VOL

VOH

VDD1/2

tZL

tZH

tLZ

tHZ

VOH – 0.5V

VOL+ 0.5V

0.5 (VDD2 + VOL)

VOH/2

NOTES

1. Y = A, Z = B FOR ADM2461E/ADM2463E

VDD1/2

Figure 5. Driver Enable or Disable Timing

RxD

VDD1

VDD1/2

OUTPUT HIGH

OUTPUT LOW

tLZ

tZL

tHZ

tZH

VOL + 0.5V

VOH – 0.5V

VOH

VOL

VDD1/2

Figure 6. Receiver Enable or Disable Timing

VDD1

INVR

tINVRPLH

VDD1/2

tINVRPHL

RxD (VID ≥ +200mV)

VOH

VOL

VDD1/2

VOH

VOL

RxD (VID ≤ –200mV)

NOTES

1. INVR = INV FOR ADM2461E/ADM2463E

Figure 7. Receiver Cable Invert Timing Specification Measurement

INV

tINVDPLH

|VOD|

1/2|VO|

VDD1/2

tINVDPHL

TxD = 0

|VOD|

TxD = 1

1/2|VO|

VDD1

NOTES

1. Y = A, Z = B FOR ADM2461E/ADM2463E

Figure 8. Driver Cable Invert Timing Specification Measurement

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