MCP4921T-ESLASHMS datasheet(6/50 Pages) MICROCHIP

tên linh kiện	MCP4921T-E/MS

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

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MCP4901/4911/4921

DS22248A-page 6

 2010 Microchip Technology Inc.

Multiplying Mode - Total

Harmonic Distortion

THDVREF

——

—

dB

VREF = 2.5V ±0.1Vp-p,

Frequency = 1 kHz

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

m

—

66

—

Degrees

Slew Rate

SR

—

0.55

—

V/µs

Short Circuit Current

ISC

—17

—

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)

Major Code Transition

Glitch

—

45

—

nV-s

1 LSB change around major carry

(0111...1111 to 1000...0000)

Digital Feedthrough

—

10

—

nV-s

ELECTRICAL CHARACTERISTIC WITH EXTENDED TEMPERATURE (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. Typical values are at +125°C by characterization or simulation.

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.

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