MCP4822-ESLASHMS datasheet(5/36 Pages) MICROCHIP

5 / 36 page

DS21953A-page 5

MCP4821/MCP4822

DNL (Note 1)

DNL

—

±0.25

—

LSb

Device is monotonic

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

ΔG/°C

—

-3

—

ppm/°C

Internal Voltage Reference (VREF)

Nominal Reference Voltage

VREF

—

2.048

—

VOUTA when G = 1x and

Code = 0xFFFh

Temperature Coefficient

(Note 1)

ΔV

REF/°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 = 1

Output Noise Density

eNREF

(1 kHz)

—1.2

—

µV/

√Hz

Code = 0xFFFh, G = 1

eNREF

(10 kHz)

—1.0

—

µV/

√Hz

Code = 0xFFFh, G = 1

1/f Corner Frequency

fCORNER

—

400

—

Output Amplifier

Output Swing

VOUT

—

0.010 to

VDD – 0.040

—

Accuracy is better than 1 LSb for

VOUT = 10 mV to (VDD – 40 mV)

Phase Margin

—

Slew Rate

—

0.55

—

V/µs

Short Circuit Current

ISC

—17—

Settling Time

tSETTLING

—

4.5

—

µs

Within 1/2 LSb of final value from

1/4 to 3/4 full-scale range

Dynamic Performance

DAC-to-DAC Crosstalk

—

<10

—

nV-s

Note 2

Major Code Transition Glitch

—

nV-s

1 LSb change around major carry

(0111...1111 to

1000...0000

)

Digital Feedthrough

—

<10

—

nV-s

Note 2

Analog Crosstalk

—

<10

—

nV-s

Note 2

5V EXTENDED TEMPERATURE SPECIFICATIONS (CONTINUED)

Electrical Specifications: Unless otherwise indicated, VDD = 5V, AVSS = 0V, VREF = 2.048V, output buffer gain (G) = 2x,

RL = 5 kΩ to GND, CL = 100 pF. Typical values at +125°C by characterization or simulation.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Note

By design, not production tested.

Too small to quantify.

MCP4822-E/MS датащи(PDF) 5 Page - Microchip Technology

MCP4822-E/MS датащи(HTML) 5 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

датащи скачать

ссылки URL