MCP25020ISLASHP datasheet(55/66 Pages) MICROCHIP

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DS21664D-page 55

MCP2502X/5X

9.4

A/D Converter Characteristics

AC Converter Characteristics

Industrial (I):

TAMB = -40°C to +85°C

VCC = 2.7V to 5.5V

Automotive (E): TAMB = -40°C to +125°C VCC = 4.5V to 5.5V

Param.

No.

Sym

Characteristics

Min

Max

Units

Test Conditions

A/D resolution

—

10-bits

VREF = VDD = 5.12V, VSS

≤ in

≤VREF

NINT

A/D Integral error

—

less than

±1 LSb

VREF+ = VDD = 5.12V,

VSS- = VSS = 0 V (I TEMP)

NDIF

A/D Differential error

—

less than

±1 LSb

VREF+ = VDD = 5.12V,

VSS- = VSS = 0 V (I TEMP)

A/D Gain error

—

less than

±1 LSb

VREF+ = VDD = 5.12V,

VSS- = VSS = 0 V

NOFF

A/D Offset error

—

less than

±2 LSb

VREF+ = VDD = 5.12V,

VSS- = VSS = 0 V

Monotonicity

—

VSS

≤ in ≤VREF

VREF

Reference Voltage

4.096

VDD+0.3

Absolute minimum to ensure

10-bit accuracy.

VREF+

Reference V high

VREF-

VDD+0.3

Minimum resolution for A/D is

1mV.

VREF-

Reference V low

VSS-0.3

VREF+

Minimum resolution for A/D is

1mV.

VAIN

Analog input V

VREF-VREF+V

ZAIN

Recommended impedance

of analog voltage source

—2.5

Note

IREF

VREF input current

—

µA

NHYS

Analog Transmit-on-change

Hysteresis

—

2 LSb

Specified by design (see

Section 4.5.2.1 “Hysteresis

Function”)

Note:

Design guidance only

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