ADS4225 datasheet(6/104 Pages) TI1

Numer części	ADS4225

Szczegółowy opis	Dual-Channel, 14-/12-Bit, 160/125/65MSPS Ultralow-Power ADC

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Producent	TI1 [Texas Instruments]

Strona internetowa	http://www.ti.com

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ADS4222, ADS4225, ADS4226

ADS4242, ADS4245, ADS4246

SBAS533C

– MARCH 2011 – REVISED JUNE 2011

www.ti.com

ELECTRICAL CHARACTERISTICS: ADS4246/ADS4245/ADS4242 (continued)

Typical values are at +25

°C, AVDD = 1.8V, DRVDD = 1.8V, 50% clock duty cycle, –1dBFS differential analog input, LVDS

interface, and 0dB gain, unless otherwise noted. Minimum and maximum values are across the full temperature range:

TMIN = –40°C to TMAX = +85°C, AVDD = 1.8V, and DRVDD = 1.8V.

ADS4246 (160MSPS)

ADS4245 (125MSPS)

ADS4242 (65MSPS)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNIT

20-MHz full-scale signal on

channel under observation;

Crosstalk

95

dB

170-MHz full-scale signal on

other channel

Recovery to within 1%

Clock

Input overload recovery

(of full-scale) for 6dB overload

1

cycle

with sine-wave input

AC power-supply rejection

For 100mVPP signal on AVDD

PSRR

> 30

dB

ratio

supply, up to 10MHz

fIN = 70MHz

Effective number of bits

ENOB

(ADS4245, ADS4242)

11.5

11.4

LSBs

fIN = 170MHz (ADS4246)

fIN = 70MHz

Differential nonlinearity

DNL

(ADS4245, ADS4242)

–0.97

±0.5

1.7

–0.97

±0.5

1.7

–0.97

±0.5

1.7

LSBs

fIN = 170MHz (ADS4246)

fIN = 70MHz

Integrated nonlinearity

INL

(ADS4245, ADS4242)

±2

±5

±2

±5

±2

±5

LSBs

fIN = 170MHz (ADS4246)

6

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Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246

Podobny numer części - ADS4225

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