MAXQ3181 Ver la hoja de datos (PDF) - Maxim Integrated

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MAXQ3181

Low-Power, Active Energy, Polyphase AFE

Maxim Integrated 

Low-Power, Active Energy, Polyphase AFE

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = VDVDD = VRST to 3.6V, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)

PARAMETER

Input Low Current

RESET Pullup Resistance

SYMBOL

IIL

RRESET

CONDITIONS

VIN = 0.4V, weak pullup on

Output High Voltage (Except

RESET)

IOH = -4mA

VOH

IOH = -6mA

Output Low Voltage

VOL

SYSTEM CLOCK SOURCES

External Clock Input Frequency

External Clock Input Duty Cycle

External HF Crystal Frequency

XTAL1, XTAL2 Internal Load

Capacitance

Internal RC Oscillator Frequency

Internal RC Oscillator Accuracy

Internal RC Oscillator Current

Internal RC Oscillator Startup

Delay

ANALOG-TO-DIGITAL CONVERTER

Input Voltage Range

Common-Mode Bias

VCOMM

Offset Error

Offset Error Drift

Gain Error (G = 1)

Spurious-Free Dynamic Range

SFDR

Total Harmonic Distortion

THD

Input Bandwidth (-3dB)

INTERNAL VOLTAGE REFERENCE

Temperature Coefficient

Output Voltage

VREF

INTERNAL TEMPERATURE SENSOR

Temperature Error

SPI SLAVE-MODE INTERFACE TIMING

Maximum SPI Clock Rate

IOL = 4mA

IOL = 6mA

Fundamental mode

(Note 1)

(Note 1)

(Note 1)

(Note 1)

(Note 3)

SCLK Input Pulse-Width High

tSCH (Note 3)

SCLK Input Pulse-Width Low

tSCL

(Note 3)

MIN

-50

50

VDVDD

- 0.4

VDVDD

- 0.5

TYP

150

MAX

200

UNITS

μA

k

V

0.4

V

0.5

0

8.12 MHz

45

55

%

8.12 MHz

16

pF

7.4

7.6

8.6

MHz

±2

%

50

120

μA

0.45

μs

0

VREF

V

1.14

V

±2

mV

±8

μV/°C

0.05

%

90

dB

90

dB

7

kHz

30

2.048

ppm/°C

V

-4

+4

°C

4x

tSYS

4x

tSYS

fSYS/4

MHz

ns

ns

_______________________________________________________________________________________ 9

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