PIC16F870SLASHP datasheet(133/156 Pages) MICROCHIP

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Preliminary

DS30569A-page 133

PIC16F870/871

TABLE 14-9:

PIC16F870/871 (INDUSTRIAL)

PIC16LF870/871 (INDUSTRIAL)

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

A01

Resolution

—

10-bits

bit

VREF = VDD = 5.12V,

VSS

≤ VAIN ≤ VREF

A03

EIL

Integral linearity error

—

< ± 1

LSb

VREF = VDD = 5.12V,

VSS

≤ VAIN ≤ VREF

A04

EDL

Differential linearity error

—

< ± 1

LSb

VREF = VDD = 5.12V,

VSS

≤ VAIN ≤ VREF

A06

EOFF

Offset error

—

< ± 1

LSb

VREF = VDD = 5.12V,

VSS

≤ VAIN ≤ VREF

A07

EGN

Gain error

—

< ± 1

LSb

VREF = VDD = 5.12V,

VSS

≤ VAIN ≤ VREF

A10

—

Monotonicity(3)

—

guaranteed

—

VSS

≤ VAIN ≤ VREF

A20

VREF

Reference voltage (VREF+ - VREF-)

2.0V

—

VDD + 0.3

Absolute minimum electrical

spec. to ensure 10-bit

accuracy.

A21

VREF+ Reference voltage High

VDD - 2.5V

VDD + 0.3V

Must meet spec. A20

A22

VREF- Reference voltage low

VSS - 0.3V

VREF+ - 2.0V

Must meet spec. A20

A25

VAIN

Analog input voltage

VSS - 0.3

—

VREF + 0.3

A30

ZAIN

Recommended impedance of

analog voltage source

—

10.0

Ω

A40

IAD

A/D conversion cur-

rent (VDD)

Standard(F)

—

220

—

µA

Average current consump-

tion when A/D is on.

(Note 1)

Extended(LF)—

—

µA

A50

IREF

VREF input current (Note 2)

—

1000

µA

During VAIN acquisition.

Based on differential of

VHOLD to VAIN to charge

CHOLD, see Section 10.1.

During A/D Conversion cycle

These parameters are characterized but not tested.

†

Data in "Typ" column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not

tested.

Note 1:

When A/D is off, it will not consume any current other than minor leakage current.

The power-down current spec includes any such leakage from the A/D module.

2: VREF current is from RA3 pin or VDD pin, whichever is selected as reference input.

3: The A/D conversion result never decreases with an increase in the Input Voltage, and has no missing codes.

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