MCP4822E-SN datasheet(4/46 Pages) MICROCHIP

tên linh kiện	MCP4822E-SN

Giải thích chi tiết về linh kiện	8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface

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MCP4802/4812/4822

DS22249A-page 4

 2010 Microchip Technology Inc.

Internal Voltage Reference (VREF)

Internal Reference Voltage

VREF

2.008

2.048

2.088

V

VOUTA when G = 1x and

Code = 0xFFFh

Temperature Coefficient

(Note 2)

VREF/°C

—

125

325

ppm/°C

-40°C to 0°C

—

0.25

0.65

LSb/°C

-40°C to 0°C

—

45

160

ppm/°C

0°C to +85°C

—

0.09

0.32

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

—

Hz

Output Amplifier

Output Swing

VOUT

—

0.01 to

VDD – 0.04

—

V

Accuracy is better than 1 LSb for

VOUT = 10 mV to (VDD–40 mV)

Phase Margin

PM

—

66

—

Degree

(°)

CL= 400 pF, RL = 

Slew Rate

SR

—

0.55

—

V/µs

Short Circuit Current

ISC

—15

24

mA

Settling Time

tSETTLING

—

4.5

—

µs

Within 1/2 LSb of final value from

1/4 to 3/4 full-scale range

Dynamic Performance (Note 2)

DAC-to-DAC Crosstalk

—

<10

—

nV-s

Major Code Transition Glitch

—

45

—

nV-s

1 LSb change around major carry

(0111...1111 to

1000...0000)

Digital Feedthrough

—

<10

—

nV-s

Analog Crosstalk

—

<10

—

nV-s

ELECTRICAL CHARACTERISTICS (CONTINUED)

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

Note 1:

Guaranteed monotonic by design over all codes.

2:

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

Số phần tương tự - MCP4822E-SN

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Microchip Technology	MCP4822	1Mb / 36P	12-Bit DACs with Internal VREF and SPI??Interface 2005
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	MCP4822-E/MS	1Mb / 36P	12-Bit DACs with Internal VREF and SPI??Interface 2005
	MCP4822-E/MS	1Mb / 46P	8/10/12-Bit Dual Voltage Output Digital-to-Analog Converter with Internal VREF and SPI Interface 2010

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