MCP4802-ESLASHMS datasheet(5/46 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

DS22249A-page 5

MCP4802/4812/4822

ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE

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. Typical values are at +125°C by characterization or simulation.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Power Requirements

Input Voltage

VDD

2.7

—

5.5

Input Current

Input Curren

IDD

—

440

—

µA

All digital inputs are grounded,

all analog outputs (VOUT) are

unloaded. Code = 0x000h.

Software Shutdown Current

ISHDN_SW

—5

—

µA

Power-On Reset threshold

VPOR

—1.85

—

DC Accuracy

MCP4802

Resolution

—

Bits

INL Error

INL

—

±0.25

—

LSb

DNL

—

±0.2

—

LSb

Note 1

MCP4812

Resolution

—

Bits

INL Error

INL

—

±1

—

LSb

DNL

—

±0.2

—

LSb

Note 1

MCP4822

Resolution

—

Bits

INL Error

INL

—

±4

—

LSb

DNL

—

±0.25

—

LSb

Note 1

Offset Error

VOS

—

±0.02

—

% of FSR

Code = 0x000h

Offset Error Temperature

Coefficient

VOS/°C

—

-5

—

ppm/°C

+25°C to +125°C

Gain Error

—

-0.10

—

% of FSR

Code = 0xFFFh,

not including offset error

Gain Error Temperature

Coefficient

G/°C

—

-3

—

ppm/°C

Internal Voltage Reference (VREF)

Internal Reference Voltage

VREF

—

2.048

—

VOUTA when G = 1x and

Code = 0xFFFh

Temperature Coefficient

(Note 2)

VREF/°C

—

125

—

ppm/°C

-40°C to 0°C

—

0.25

—

LSb/°C

-40°C to 0°C

—

ppm/°C

0°C to +85°C

—

0.09

—

LSb/°C

0°C to +85°C

Output Noise (VREF Noise)

ENREF

(0.1 – 10 Hz)

—

290

—

µVp-p

Code = 0xFFFh, G = 1x

Output Noise Density

eNREF

(1 kHz)

—1.2

—

µV/Hz

Code = 0xFFFh, G = 1x

eNREF

(10 kHz)

—1.0

—

µV/Hz

Code = 0xFFFh, G = 1x

1/f Corner Frequency

fCORNER

—

400

—

Note 1:

Guaranteed monotonic by design over all codes.

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

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