MCP4921 datasheet(6/50 Pages) MICROCHIP

No de pièce	MCP4921

Description	8/10/12-Bit Voltage Output Digital-to-Analog Converter with SPI Interface

PDF	50 Pages

Scroll/Zoom	100%

Fabricant	MICROCHIP [Microchip Technology]

Site Internet	http://www.microchip.com

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6 / 50 page

MCP4901/4911/4921

DS22248A-page 6

 2010 Microchip Technology Inc.

Multiplying Mode - Total

Harmonic Distortion

THDVREF

——

—

VREF = 2.5V ±0.1Vp-p,

Frequency = 1 kHz

Output Amplifier

Output Swing

VOUT

—

0.01 to

VDD –

0.04

—

Accuracy is better than 1 LSb for

VOUT = 10 mV to (VDD – 40 mV)

Phase Margin

m

—

Degrees

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 (Note 2)

Major Code Transition

Glitch

—

nV-s

1 LSB change around major carry

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

Digital Feedthrough

—

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.

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

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