MAX3072EESA 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

MAX3072EESA

+3.3V / 15kV ESD-Protected / Fail-Safe / Hot-Swap / RS-485/RS-422 Transceivers

Maxim Integrated 

+3.3V, ±15kV ESD-Protected, Fail-Safe,

Hot-Swap, RS-485/RS-422 Transceivers

Test Circuits and Waveforms (continued)

B

RECEIVER

ATE

VID

OUTPUT

R

A

Figure 6. Receiver Propagation Delay Test Circuit

A

B

VOH

VOL 1.5V

RO

tRPLH

THE RISE TIME AND FALL TIME OF INPUTS A AND B < 4ns

Figure 7. Receiver Propagation Delays

+1V

-1V

tRPHL

+1.5V

S3

-1.5V

VID R

1kΩ

CL

15pF

S1

VCC

S2

GENERATOR

50Ω

S1 OPEN

S2 CLOSED

S3 = +1.5V

3V

S1 CLOSED

S2 OPEN

S3 = -1.5V

3V

1.5V

RE

RE

0

0

tRZH, tRZH(SHDN)

tRZL, tRZL(SHDN)

RO

VOH

VCC

VOH / 2

RO

0

(VOL + VCC) / 2

VOL

S1 OPEN

S2 CLOSED

S3 = +1.5V

1.5V

RE

tRHZ

0.25V

RO

S1 CLOSED

S2 OPEN

S3 = -1.5V

3V

3V

1.5V

0

RE

0

tRLZ

VCC

VOH

RO

0

0.25V

VOL

Figure 8. Receiver Enable and Disable Times

______________________________________________________________________________________ 11

Share Link: