ADM2461EBRWZ-R7 datasheet(15/21 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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15 / 21 page

Data Sheet

ADM2461E/ADM2463E

Rev. 0 | Page 15 of 21

TEST CIRCUITS AND SWITCHING CHARACTERISTICS

A OR Y

B OR Z

TxD

VOD2

VOC

Figure 31. Driver Voltage Measurement, |VOD2|

A OR Y

B OR Z

TxD

VOD3

VCM

375Ω

60Ω

375Ω

Figure 32. Driver Voltage Measurement over

Common-Mode Range, |VOD3|

A OR Y

B OR Z

TxD

Figure 33. Driver Propagation Delay Measurement

(See Figure 3 for Timing Diagram)

A OR Y

B OR Z

TxD

VOUT

VDD2

110Ω

50pF

Figure 34. Driver Enable or Disable Time Measurement

(See Figure 5 for Timing Diagram)

Figure 35. Receiver Propagation Delay Time Measurement

(See Figure 4 for Timing Diagram)

VDD1

+1.5V

–1.5V

Figure 36. Receiver Enable or Disable Time Measurement

(See Figure 6 for Timing Diagram)

VDD1

VDD2

RxD

TxD

VDD1

15pF

GND1

500kbps

GND1

GND2

VCM ≥ 1kV

dv/dt ≥ 250kV/µs

DE = VDD1

RE = GND1

ISOLATION

BARRIER

120Ω

ADM2461E

GND1

Figure 37. CMTI Test Diagram, Half-Duplex

120Ω

VDD1

VDD2

RxD

TxD

VDD1

15pF

GND1

500kbps

GND1

GND2

VCM ≥ 1kV

dv/dt ≥ 250kV/µs

ADM2463E

DE = VDD1

RE = GND1

ISOLATION

BARRIER

GND1

Figure 38. CMTI Test Diagram, Full Duplex

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