MCP4822 datasheet(3/50 Pages) MICROCHIP

Part #	MCP4822

Description	SPI Interface with 20 MHz Clock Support

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DS20002249B-page 3

MCP4802/4812/4822

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

VDD....................................................................... 6.5V

All inputs and outputs .......... VSS – 0.3V to VDD + 0.3V

Current at Input Pins ......................................... ±2 mA

Current at Supply Pins .................................... ±50 mA

Current at Output Pins .................................... ±25 mA

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

Ambient temp. with power applied ..... -55°C to +125°C

ESD protection on all pins

4 kV (HBM), 400V (MM)

Maximum Junction Temperature (TJ)................+150°C

† 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 operational listings of this specification

is not implied. Exposure to maximum rating conditions

for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

Electrical Specifications: Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V,

Output Buffer Gain (G) = 2x, RL = 5 k to GND, CL = 100 pF, TA = -40 to +85°C. Typical values are at +25°C.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Power Requirements

Input Voltage

VDD

2.7

—

5.5

V

Input Current

IDD

—

415

750

µA

All digital inputs are grounded,

all analog outputs (VOUT) are

unloaded. Code = 0x000h

Software Shutdown Current

ISHDN_SW

—3.3

6

µA

Power-on Reset Threshold

VPOR

—2.0

—

V

DC Accuracy

MCP4802

Resolution

n

8

—

Bits

INL Error

INL

-1

±0.125

1

LSb

DNL

-0.5

±0.1

+0.5

LSb

Note 1

MCP4812

Resolution

n

10

—

Bits

INL Error

INL

-3.5

±0.5

3.5

LSb

DNL

-0.5

±0.1

+0.5

LSb

Note 1

MCP4822

Resolution

n

12

—

Bits

INL Error

INL

-12

±2

12

LSb

DNL

-0.75

±0.2

+0.75

LSb

Note 1

Offset Error

VOS

-1

±0.02

1

% of FSR Code = 0x000h

Offset Error Temperature

Coefficient

VOS/°C

—

0.16

—

ppm/°C

-45°C to +25°C

—

-0.44

—

ppm/°C

+25°C to +85°C

Gain Error

gE

-2

-0.10

2

% of FSR Code = 0xFFFh,

not including offset error

Gain Error Temperature

Coefficient

G/°C

—

-3

—

ppm/°C

Note 1:

Guaranteed monotonic by design over all codes.

2:

This parameter is ensured by design, and not 100% tested.

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