MAXQ3180-RAN+ datasheet(3/48 Pages) MAXIM

3 / 48 page

Low-Power, Multifunction, Polyphase AFE

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(AVDD = DVDD = VRST to 3.6V, TA = -40°C to +85°C, unless otherwise noted.) (Note 3)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DIGITAL I/O SPECIFICATIONS

Input High Voltage

VIH

0.7 x

DVDD

Input Low Voltage

VIL

0.3 x

DVDD

Input Hysteresis

VIHYS

DVDD = 3.3V

550

Input Leakage

VIN = GND or DVDD, pullup off

±0.01

±1

μA

Input Low Current

IIL

VIN = 0.4V, weak pullup on

-40

μA

RESET Pullup Resistance

RRESET

IOH = -4mA

DVDD -

0.4

Output High Voltage (Except

RESET)

VOH

IOH = -6mA

DVDD -

0.5

IOL = 4mA

0.4

Output Low Voltage

VOL

IOL = 6mA

0.5

SYSTEM CLOCK SOURCES

External Clock Input Frequency

8.12

MHz

External Clock Input Duty Cycle

External HF Crystal Frequency

Fundamental mode

1.00

8.12

MHz

XTAL1, XTAL2 Load

Capacitance

Internal RC Oscillator Frequency

7.4

8.0

8.6

MHz

Internal RC Oscillator Drift

250

ppm/

°C

Internal RC Oscillator Current

120

μA

ANALOG-TO-DIGITAL CONVERTER

Input Voltage Range

Offset Error

± 2

Offset Error Drift

±8

μV/

°C

Gain Error

0.025

Total Harmonic Distortion

THD

Input sine wave f = 1kHz

Input Capacitance Differential

(Note 1)

Input Bandwidth (-3dB)

(Note 1)

kHz

INTERNAL VOLTAGE REFERENCE

Temperature Coefficient

(Note 1)

ppm/

°C

Output Voltage

2.048

INTERNAL TEMPERATURE SENSOR

Temperature Error

(Note 1)

-4

°C

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