6.7 Electrical Characteristics – Receiver

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(2)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

VOH

High-level output voltage

IOH = –1 mA

VCC – 0.6

VCC – 0.1

V

VOL

Low-level output voltage

IOL = 1.6 mA

0.4

V

VIT+

Positive-going input threshold voltage

VCC = 3.3 V

1.5

2.4

V

VCC = 5 V

1.8

2.4

VIT–

Negative-going input threshold voltage

VCC = 3.3 V

0.6

1.1

V

VCC = 5 V

0.8

1.4

Vhys

Input hysteresis (VIT+ – VIT–)

0.5

V

Ioff

Output leakage current

FORCEOFF = 0 V

±0.05

±10

µA

ri

Input resistance

VI = ±3 V to ±25 V

3

5

7

kΩ

(1)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

(2)

Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

6.8 Electrical Characteristics – Status

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(2)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

VT+(valid)

Receiver input threshold for INVALID high-

level output voltage

FORCEON = GND,

FORCEOFF = VCC

2.7

V

VT–(valid)

Receiver input threshold for INVALID high-

level output voltage

FORCEON = GND,

FORCEOFF = VCC

–2.7

V

VT(invalid)

Receiver input threshold for INVALID low-

level output voltage

FORCEON = GND,

FORCEOFF = VCC

–0.3

0.3

V

VOH

INVALID high-level output voltage

IOH = –1 mA,

FORCEON = GND,

FORCEOFF = VCC

VCC – 0.6

V

VOL

INVALID low-level output voltage

IOH = –1 mA,

FORCEON = GND,

FORCEOFF = VCC

0.4

V

(1)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

(2)

Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

6.9 Switching Characteristics – Driver

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(3)

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

Maximum data rate

CL = 1000 pF, RL = 3 kΩ,

see Figure 7-1

150

250

kbps

tsk(p)

Pulse skew(2)

CL = 150 to 2500 pF, RL = 3 kΩ to 7 kΩ,

see Figure 7-2

100

ns

SR(tr)

Slew rate, transition region

(see Figure 7-1)

VCC = 3.3 V,

RL = 3 kΩ to 7 kΩ

CL = 150 to 1000 pF

6

30

V/μs

CL = 150 to 2500 pF

4

30

(1)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

(2)

Pulse skew is defined as |tPLH − tPHL| of each channel of the same device.

(3)

Test conditions are C1–C4 = 0.1 μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

MAX3221

SLLS348P – JUNE 1999 – REVISED JULY 2021

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