Electrical characteristics (continued) – Rainbow Electronics MAX3420E User Manual

Page 9

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MAX3420E

USB Peripheral Controller

with SPI Interface

_______________________________________________________________________________________

9

ELECTRICAL CHARACTERISTICS (continued)

(V

CC

= +3V to +3.6V, V

L

= +1.71V to +3.6V, T

A

= T

MIN

to T

MAX

, unless otherwise noted. Typical values are at V

CC

= +3.3V, V

L

=

+2.5V, T

A

= +25

°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Single-Ended Receiver Input-Low
Voltage

V

IL

0.8

V

Single-Ended Receiver Input-
High Voltage

V

IH

2.0

V

Single-Ended Receiver
Hysteresis Voltage

0.2

V

D+, D- Input Impedance

300

k

D+, D- Output-Low Voltage

V

OL

R

L

= 1.5k

Ω from D+ to 3.6V

0.3

V

D+, D- Output-High Voltage

V

OH

R

L

= 15k

Ω from D+ and D- to GND

2.8

3.6

V

Driver Output Impedance
Excluding External Resistor

(Note 2)

2

7

11

D+ Pullup Resistor

R

EXT

= 33

1.425

1.5

1.575

k

ESD PROTECTION (D+, D-, VBCOMP)

Human Body Model

1µF ceramic capacitors from VBCOMP and
V

CC

to GND

±15

kV

IEC61000-4-2 Air Discharge

1µF ceramic capacitors from VBCOMP and
V

CC

to GND

±12

kV

IEC61000-4-2 Contact Discharge

1µF ceramic capacitors from VBCOMP and
V

CC

to GND

±8

kV

THERMAL SHUTDOWN

Thermal-Shutdown Low-to-High

+160

°C

Thermal-Shutdown High-to-Low

+140

°C

CRYSTAL OSCILLATOR SPECIFICATIONS (XI, XO)

XI Input High Voltage

2/3 x V

C C

V

CC

V

XI Input Low Voltage

0.4

V

XI Input Current

10

µA

XI, XO Input Capacitance

3

pF

VBCOMP COMPARATOR SPECIFICATIONS

VBCOMP Comparator Threshold

V

TH

1.0

2.0

3.0

V

VBCOMP Comparator Hysteresis

V

HYS

375

mV

VBCOMP Comparator Input
Impedance

R

IN

100

k

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