ISO7820LL datasheet(8/31 Pages) TI1

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ISO7820LL, ISO7821LL

SLLSET8A – MARCH 2016 – REVISED AUGUST 2016

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Product Folder Links: ISO7820LL ISO7821LL

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VCCI = Input-side VCCx; VCCO = Output-side VCCx.

6.9 DC Electrical Characteristics

(over recommended operating conditions unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IIN(EN)

Leakage Current on ENx

pins

Internal pullup on ENx pins

μA

VCC+(UVLO)

Positive-going

undervoltage-lockout

(UVLO) threshold

2.25

VCC–(UVLO)

Negative-going UVLO

threshold

1.7

VHYS(UVLO)

UVLO threshold hysteresis

0.2

VEN(ON)

EN pin turn-on threshold

0.7 VCCx

VEN(OFF)

EN pin turn-off threshold

0.3 VCCx

VEN(HYS)

EN pin threshold hysteresis

0.1 VCCx

CMTI

Common-mode transient

immunity

VI = VCCI

(1) or 0 V;

VCM = 1000 V; see Figure 25

100

120

kV/μs

LVDS TX

|VOD|

TX DC output differential

voltage

RL = 100 Ω, See Figure 26

250

350

450

∆VOD

Change in TX DC output

differential between logic 1

and 0 states

RL = 100 Ω, see Figure 26

–10

VOC

TX DC output common

mode voltage

RL = 100 Ω, see Figure 26

1.125

1.2

1.375

∆VOC

TX DC common mode

voltage difference

RL = 100 Ω, see Figure 26

–25

IOS

TX output short circuit

current through OUTx

OUTx = 0

OUTxP = OUTxM

IOZ

TX output current when in

high impedance

ENx = 0, OUTx from 0 to VCC

–5

µA

COUT

TX output pad capacitance

on OUTx at 1 MHz

DW package: ENx = 0,

DC offset = VCC / 2,

Swing = 200 mV, f = 1 MHz

DWW package: ENx = 0,

DC offset = VCC / 2,

Swing = 200 mV, f = 1 MHz

LVDS RX

VIC

RX input common mode

voltage

VCC1, VCC2 ≥ 3 V

0.5 |VID|

1.2

2.4 – 0.5 |VID|

VCC1, VCC2 < 3 V

0.5 |VID|

1.2

VCCx – 0.6 – 0.5 |VID|

VIT1

Positive going RX input

differential threshold

Across VIC

VIT2

Negative going RX input

differential threshold

Across VIC

–50

IINx

Input current on INx

From 0 to VCCx (each input

independently)

µA

IINxP – IINxM

Input current balance

From 0 to VCCx

–6

µA

CIN

RX input pad capacitance

on INx at 1 MHz

DW package: DC offset = 1.2 V,

Swing = 200 mV, f = 1 MHz

6.6

DWW package: DC offset = 1.2 V,

Swing = 200 mV, f = 1 MHz

7.5

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