Datasheet > SN65HVD72DRBR

SN65HVD72DRBR

更新时间： 2022-02-26 09:37:40

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德州仪器 - TI		/
页数	文件大小	规格书
30页	1167K
描述
3.3V-Supply RS-485 with IEC ESD Protection

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数据手册

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SN65HVD72DRBR 数据手册

SN65HVD72

SN65HVD75

SN65HVD78

SLLSE11C –MARCH 2012–REVISED SEPTEMBER 2013

www.ti.com

SWITCHING CHARACTERISTICS

50 Mbps device (HVD78) bit time ≥ 20 ns (over recommended operating conditions)

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

UNIT

DRIVER

Driver differential output rise/fall

time

t_r, t_f

R_L= 54 Ω, C_L= 50 pF See Figure 3

t_PHL, t_PLH

t_SK(P)

Driver propagation delay

µs

Driver pulse skew, |t_PHL– t_PLH

t_PHZ, t_PLZ

Driver disable time

See Figure 4 and

Receiver enabled

Receiver disabled

Figure 5

t_PZH, t_PZL

Driver enable time

RECEIVER

t_r, t_f

Receiver output rise/fall time

2.5

µs

t_PHL, t_PLH

t_SK(P)

Receiver propagation delay time

Receiver pulse skew, |t_PHL– t_PLH

Receiver disable time

CL = 15 pF

See Figure 6

t_PLZ, t_PHZ

Driver enabled

Driver disabled

See Figure 7

See Figure 8

t_pZL(1), t_PZH(1)

t_PZL(2), t_PZH(2)

Receiver enable time

PARAMETER MEASUREMENT INFORMATION

Input generator rate is 100 kbps, 50% duty cycle, rise and fall times less than 6 nsec, output impedance 50 Ω.

375 W ±1%

V_CC

V_OD

0 V or 3 V

60 W ±1%

–7 V < V(test) < 12 V

375 W ±1%

S0301-01

Figure 1. Measurement of Driver Differential Output Voltage with Common-Mode Load

V_A

RL/2

V_B

V_OD

0 V or 3 V

V_OC(PP)

DV_OC(SS)

V_OC

C_L

V_OC

S0302-01

Figure 2. Measurement of Driver Differential and Common-Mode output with RS-485 Load

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