XRD6414 datasheet(4/16 Pages) EXAR

Part #	XRD6414

Description	CMOS 10-Bit, 20 MSPS, High Speed Analog-to-Digital Converter with 4:1 Input Analog Multiplexer

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Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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XRD6414

4

Rev. 1.00

ELECTRICAL CHARACTERISTICS

Unless Otherwise Specified: AVDD = DVDD = 5.0V, FS = 15MHz (50% Duty Cycle),

VRT = 5.0V, VRB = 0.0V, TA = 25°C

Symbol

Parameter

Min.

Typ.

Max.

Unit

Conditions

Key Features

n

Resolution

10

Bits

FS

Maximum Sample Rate

20

15

MSPS

DC Accuracy1

DNL

Differential Non-Linearity

–0.8

0.6

1.0

LSB

INL

Integral Non-Linearity

–2.5

1.5

2.5

LSB

Best Fit Line

(Max INL – Min INL)/2

EZS

Zero Scale Error

0

20

40

mV

EFS

Full Scale Error

–1.0

0.4

1.0

%

VINPP

DC Input Range

AGND

AVDD

V

VIN can swing from AGND to AVDD,

actual digitized range is set by VRT

& VRB.

Reference Voltages

VRT

Top Reference Voltage

1.0

2.5

AVDD

V

VRB

Bottom Reference Voltage

AGND

0.5

AVDD–1

V

VREF

Differential Ref. Voltage2

1.0

2

AVDD

V

RL

Ladder Resistance

350

500

650

Ω

Analog Input3

Input Voltage Range

VRB

VRT

V

VRB min. = AGND

VRT max = AVDD

BW

Input Bandwidth (–1dB)4

50

MHz

CIN

Input Capacitance Sample5

20

pF

CLK = low

CIN

Input Capacitance Convert5

7

pF

CLK = high

Analog Multiplexer

RON

Switch Impedance

60

120

Ω

ROFF

Switch Impedance

10

5

M

Ω

TSW

Switching Time

15

ns

Xt

Crosstalk

–80

dB

fIN = 6MHz

Conversion Character

tAP

Aperture Delay

6

ns

tAJ

Aperture Jitter

30

ps

Dynamic

SNR

Signal-to-Noise Ratio

FIN = 1MHz

57

dB

FS = 10MSPS

SNDR

SNR and Distortion

FIN = 1MHz

56

dB

FS = 10MSPS

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