MAX22191 datasheet(4/13 Pages) MAXIM

4 / 13 page

VIN = 0V to 60V, VCC = 0V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VIN = 24V, REXT = 40.2kΩ (±1%),

and TA = +25°C. (Note 1)

Note 1: All units are production tested at TA = +25°C. Specifications over temperature are guaranteed by design and characterization.

Note 2: All voltages are referenced to ground, unless otherwise noted.

Note 3: VCC is an auxiliary supply input. When VCC is powered from an external 3V to 5.5V supply, the propagation delay is

reduced and the output changes from a current souce to a CMOS output. When using power from IN to power the device,

connect VCC to GND (VCC = 0V).

Note 4: See the Boost Current section for more information.

Note 5: Not production tested. Guaranteed by design

Note 6: Thermal shutdown protection is only enabled when VCC is present. Thermal shutdown does not occur when VCC = 0V.

Figure 1. Propagation Delay Test Circuit and Timing Diagram

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

IN to OUT Low-to-High Propagation

Delay

tPDLH

CL = 15pF,

Figure 1

VCC = 0V,

RL = 1.5kΩ

250

VCC = 3.0V,

RL is open

200

IN to OUT High-to-Low Propagation

Delay

tPDHL

CL = 15pF,

Figure 1

VCC = 0V,

RL = 1.5kΩ

250

VCC = 3.0V,

RL is open

200

IN to OUT Propagation Delay Jitter

CL = 15pF, RMS jitter, Figure 1

250

IN to OUT Propagation

Delay Skew, Part-to-Part

tSKEWP2P CL = 15pF,

Figure 1 (Note 5)

VCC = 0V,

RL = 1.5kΩ,

195

3.0V ≤ VCC ≤ 5.5V,

RL is open

TEST Propagation Delay

VCC = 0V or 3V,

VIN = 11V

TEST low to high,

OUT high to low

1.5

μs

TEST high to low,

OUT low to high

1.8

MAX22191

Ultra-Low-Power, Parasitically Powered

Digital Input

www.maximintegrated.com

Maxim Integrated │ 4

REXT

VCC

OUT

MAX22191

GND

TEST

VIN

IOUT

0mA

VINTHU

90%

10%

tPDLH

tPDHL

VINTHL

AC Electrical Characteristics

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