SN65HVD39 datasheet(5/28 Pages) TI

Part #	SN65HVD39

Description	3.3 V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS

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Manufacturer	TI [Texas Instruments]

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DRIVER ELECTRICAL CHARACTERISTICS

SN65HVD30 – SN65HVD39

SLLS665E – SEPTEMBER 2005 – REVISED MARCH 2008

over recommended operating conditions unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN TYP(1)

MAX

UNIT

VI(K)

Input clamp voltage

II = –18 mA

–1.5

V

IO = 0

2.5

VCC

RL = 54 Ω, See Figure 1 (RS-485)

1.5

2

|VOD(SS)|

Steady-state differential output voltage

V

RL = 100 Ω, See Figure 1 ,

(2) (RS-422)

2

2.3

Vtest = –7 V to 12 V, See Figure 2

1.5

Change in magnitude of steady-state

Δ|VOD(SS)|

differential output voltage between

RL = 54 Ω, See Figure 1 and Figure 2

–0.2

0.2

V

states

Differential Output Voltage overshoot

RL = 54 Ω, CL = 50 pF, See Figure 5 and

VOD(RING)

10%(3)

V

and undershoot

Figure 3

HVD30, HVD33,

0.5

HVD36, HVD38

Peak-to-peak

VOC(PP)

common-mode

See Figure 4

V

HVD31, HVD34,

output voltage

HVD37, HVD39,

0.25

HVD32, HVD35

Steady-state common-mode output

VOC(SS)

1.6

2.3

voltage

See Figure 4

V

Change in steady-state common-mode

ΔVOC(SS)

–0.05

0.05

output voltage

VCC = 0 V, VZ or VY = 12 V,

90

HVD30, HVD31,

Other input at 0 V

HVD32, HVD36,

VCC = 0 V, VZ or VY = –7 V,

HVD37

–10

Other input at 0 V

IZ(Z) or

High-impedance

µA

IY(Z)

state output current

VCC = 3 V or 0 V, DE = 0 V

90

HVD33, HVD34,

VZ or VY = 12 V

Other input

HVD35, HVD38,

at 0 V

VCC = 3 V or 0 V, DE = 0 V

HVD39

–10

VZ or VY = –7 V

–250

250

IZ(S) or

Other input

Short Circuit output Current

mA

IY(S)

at 0 V

VZ or VY = 12 V

–250

250

II

Input current

D, DE

0

100

µA

C(OD)

Differential output capacitance

VOD = 0.4 sin (4E6πt) + 0.5 V, DE at 0 V

16

pF

(1)

All typical values are at 25

°C and with a 3.3-V supply.

(2)

VCC is 3.3 Vdc ± 5%

(3)

10% of the peak-to-peak differential output voltage swing, per TIA/EIA-485

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Product Folder Link(s) :SN65HVD30 – SN65HVD39

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