6.4 Thermal Information

THERMAL METRIC(1)

MAX3221

UNIT

DB (SSOP)

PW (TSSOP)

16 PINS

16 PINS

RθJA

Junction-to-ambient thermal resistance

105.8

110.9

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

51.9

41.7

°C/W

RθJB

Junction-to-board thermal resistance

57.6

57.2

°C/W

ψJT

Junction-to-top characterization parameter

14.1

4.2

°C/W

ψJB

Junction-to-board characterization parameter

56.8

56.6

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.5 Electrical Characteristics – Power

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

PARAMETER

TEST CONDITIONS

MIN

TYP(1) MAX

UNIT

II

Input leakage current FORCEOFF, FORCEON, EN

±0.01

±1

µA

ICC

Supply current

Automatic power-down

disabled

No load,

VCC = 3.3 V to 5 V

No load, FORCEOFF and

FORCEON at VCC

0.3

1

mA

Powered off

No load, FORCEOFF at GND

1

10

µA

Automatic power-down enabled

No load, FORCEOFF at VCC,

FORCEON at GND,

All RIN are open or grounded

1

10

(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.

6.6 Electrical 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

VOH

High-level output voltage

DOUT at RL = 3 kΩ to GND,

DIN = GND

5

5.4

V

VOL

Low-level output voltage

DOUT at RL = 3 kΩ to GND,

DIN = VCC

–5

–5.4

V

IIH

High-level input current

VI = VCC

±0.01

±1

μA

IIL

Low-level input current

VI at GND

±0.01

±1

μA

IOS

Short-circuit output current(2)

VCC = 3.6 V

VO = 0 V

±35

±60

mA

VCC = 5.5 V

VO = 0 V

±35

±60

rO

Output resistance

VCC, V+, and V– = 0 V

VO = ±2 V

300

10M

Ω

Ioff

Output leakage current

FORCEOFF = GND

VO = ±12 V,

VCC = 3 V to 3.6 V

±25

µA

VO = ±12 V,

VCC = 4.5 V to 5.5 V

±25

(1)

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

(2)

Short-circuit durations should be controlled to prevent exceeding the device absolute power dissipation ratings, and not more than one

output should be shorted at a time.

(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

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MAX3221

SLLS348P – JUNE 1999 – REVISED JULY 2021

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