MCP39F521 datasheet(4/52 Pages) MICROCHIP

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MCP39F521

DS20005442A-page 4

 2015 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

DVDD .................................................................. -0.3 to +4.5V

AVDD .................................................................. -0.3 to +4.0V

Digital inputs and outputs w.r.t. AGND...............-0.3V to +4.0V

Analog Inputs (I+,I-,V+,V-) w.r.t. AGND ...................-2V to +2V

VREF input w.r.t. AGND ........................ ....-0.6V to AVDD +0.6V

Maximum Current out of DGND pin..............................300 mA

Maximum Current into DVDD pin.................................250 mA

Maximum Output Current Sunk by Digital IO ................25 mA

Maximum Current Sourced by Digital IO.......................25 mA

Storage temperature .....................................-65°C to +150°C

Ambient temperature with power applied......-40°C to +125°C

Soldering temperature of leads (10 seconds) ............. +300°C

ESD on the analog inputs (HBM,MM) .................4.0 kV, 200V

ESD on all other pins (HBM,MM) ........................4.0 kV, 200V

† Notice:

Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device.

This is a stress rating only and functional operation of

the device at those or any other conditions above those

indicated in the operation listings of this specification is

not implied. Exposure to maximum rating conditions for

extended periods may affect device reliability.

1.1

Specifications

TABLE 1-1:

ELECTRICAL CHARACTERISTICS

Electrical Specifications:

Unless otherwise indicated, all parameters apply at AVDD, DVDD = 2.7 to 3.6V, TA = -40°C

to +125°C, MCLK = 4 MHz, PGA GAIN = 1.

Characteristic

Sym.

Min.

Typ.

Max.

Units

Test Conditions

Power Measurement

Active Power (Note 1)

—

±0.1

—

4000:1 Dynamic Range on

Current Channel (Note 2)

Reactive Power (Note 1)

—

±0.1

—

4000:1 Dynamic Range on

Current Channel (Note 2)

Apparent Power (Note 1)

—

±0.1

—

4000:1 Dynamic Range on

Current Channel (Note 2)

Current RMS (Note 1)

IRMS

—

±0.1

—

4000:1 Dynamic Range on

Current Channel (Note 2)

Voltage RMS (Note 1)

VRMS

—

±0.1

—

4000:1 Dynamic Range on

Voltage Channel (Note 2)

Power Factor (Note 1)



—±0.1

—

Line Frequency (Note 1)

—

±0.1

—

Note 1:

Calculated from reading the register values with no averaging, single computation cycle with accumulation

interval of 4 line cycles.

Specification by design and characterization; not production tested.

N = Value in the Accumulation Interval Parameter register. The default value of this register is 2 or

TCAL = 80 ms for 50 Hz line.

Applies to Voltage Sag and Voltage Surge events only.

Applies to all gains. Offset and gain errors depend on the PGA gain setting. See Section 2.0, Typical

Performance Curves

for typical performance.

VIN =1VPP =353 mVRMS @ 50/60 Hz.

Variation applies to internal clock and I2C only. All calculated output quantities are temperature

compensated to the performance listed in the respective specification.

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