ISO1432 datasheet(11/47 Pages) TI1

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ISO1430, ISO1432, ISO1450, ISO1452

ISO1410, ISO1412

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SLLSF22C – APRIL 2018 – REVISED APRIL 2019

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8.9 Electrical Characteristics: Driver

All typical specs are at VCC1=3.3V, VCC2=5V, TA=27°C, (Min/Max specs are over recommended operating conditions unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

|VOD|

Driver differential-output voltage

magnitude

Open circuit voltage, unloaded bus,

3 V

≤ VCC2 ≤ 5.5 V

1.5

VCC2

RL = 60 Ω, –7 V ≤ VTEST ≤ 12 V (see Figure 35), 3 V

≤ VCC2 ≤ 3.6 V, TA<100C

1.5

2.3

RL = 60 Ω, –7 V ≤ VTEST ≤ 12 V (see Figure 35), 3.1

≤ VCC2 ≤ 3.6 V, TA>100C

1.5

2.3

RL = 60 Ω, –7 V ≤ VTEST ≤ 12 V,

4.5 V < VCC2 < 5.5 V (see Figure 35)

2.1

3.7

RL = 100 Ω (see Figure 36), RS-422 load

4.2

RL = 54 Ω (see Figure 36), RS-485 load, VCC2 = 3 V

to 3.6 V

1.5

2.3

RL = 54 Ω (see Figure 36), RS-485 load,

4.5 V < VCC2 < 5.5 V

2.1

3.7

Δ|VOD|

Change in differential output voltage

between two states

RL = 54 Ω or RL = 100 Ω, see Figure 36

–200

200

VOC

Common-mode output voltage

RL = 54 Ω or RL = 100 Ω, see Figure 36

0.5 × VCC2

ΔVOC(SS)

change in steady-state common-mode

output voltage between two states

RL = 54 Ω or RL = 100 Ω, see Figure 36

–200

200

IOS

Short-circuit output current

VD = VCC1 or VD = VGND1, VDE = VCC1, VCC2=3.3V ±

10%

–7 V

≤ V ≤ 12 V, see Figure 45

–250

250

VD = VCC1 or VD = VGND1, VDE = VCC1, VCC2=5V ±

10%

–7 V

≤ V ≤ 12 V, see Figure 45

250

Input current

VD and VDE = 0 V or VD and VDE = VCC1

–10

µA

CMTI

Common-mode transient immunity

VD=VCC1 or GND1, VCC1 = 2.25 V to 5.5 V, VCM =

1200 V, ISO141x, See Figure 38

100

kV/µs

CMTI

Common-mode transient immunity

VD=VCC1 or GND1, VCC1 = 1.71 V to 5.5 V, VCM =

1200 V, ISO143x, See Figure 38

100

kV/µs

CMTI

Common-mode transient immunity

VD=VCC1 or GND1, VCC1 = 2.25 V to 5.5 V, VCM =

1200 V, ISO145x, See Figure 38

100

kV/µs

(1)

Under any specific conditions, VTH+ is ensured to be at least Vhys higher than VTH–.

8.10 Electrical Characteristics: Receiver

All typical specs are at VCC1=3.3V, VCC2=5V, TA=27°C, (Min/Max specs are over recommended operating conditions unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Ii1

Bus input current

VDE = 0 V, VCC2 = 0 V or VCC2 = 5.5 V, 500-kbps

devices, VI = –7 V or VI = 12 V, other input at 0 V

–100

125

µA

Ii1

Bus input current

VDE = 0 V, VCC2 = 0 V or VCC2 = 5.5 V, 12-Mbps and

50-Mbps devices, VI = –7 V or VI = 12 V,

other input at 0 V

–100

125

µA

Ii1

Bus input current

VDE = 0 V, VCC2 = 0 V or VCC2 = 5.5 V, 500-kbps

devices, VI = –15 V or VI = 15 V, other input at 0 V

-200

125

µA

Ii1

Bus input current

VDE = 0 V, VCC2 = 0 V or VCC2 = 5.5 V, 12-Mbps and

50-Mbps devices, VI = –15 V or VI = 15 V,

other input at 0 V

-200

125

µA

VTH+

Positive-going input threshold voltage

–15 V

≤ VCM ≤ 15 V

See (1)

-100

–20

VTH–

Negative-going input threshold

voltage

–15 V

≤ VCM ≤ 15 V

–200

–130

See (1)

Vhys

Input hysteresis (VTH+ – VTH–)

–15 V

≤ VCM ≤ 15 V

VOH

Output high voltage on the R pin

VCC1=5V ± 10%, IOH = –4 mA, VID = 200 mV

VCC1 – 0.4

VCC1=3.3V ± 10%, IOH = –2 mA, VID = 200 mV

VCC1 – 0.3

VCC1=2.5V ± 10%, 1.8V+/-5%, IOH = –1 mA, VID =

200 mV

VCC1 – 0.2

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