MAX1428 datasheet(2/18 Pages) MAXIM

Part #	MAX1428

Description	15-Bit, 80Msps ADC with -78.4dBFS Noise Floor for IF Applications

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Manufacturer	MAXIM [Maxim Integrated Products]

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15-Bit, 80Msps ADC with -78.4dBFS

Noise Floor for IF Applications

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(AVCC = 5V, DVCC = DRVCC = 2.5V, GND = 0, INP and INN driven differentially with -2dBFS, CLKP and CLKN driven differentially

with a 2VP-P sinusoidal input signal, CL = 5pF at digital outputs, fCLK = 80MHz, TA = TMIN to TMAX, unless otherwise noted. Typical

values are at TA = +25°C, unless otherwise noted.

≥+25°C guaranteed by production test, <+25°C guaranteed by design and char-

acterization.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

AVCC, DVCC, DRVCC to GND.................................. -0.3V to +6V

INP, INN, CLKP, CLKN, CM to GND........-0.3V to (AVCC + 0.3V)

D0–D14, DAV, DOR to GND..................-0.3V to (DRVCC + 0.3V)

Continuous Power Dissipation (TA = +70°C)

56-Pin Thin QFN (derate 47.6mW/°C above +70°C) ...3809.5mW

Operating Temperature Range ...........................-40°C to +85°C

Thermal Resistance

θJA...................................................21°C/W

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300

°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC ACCURACY

Resolution

15

Bits

Integral Nonlinearity

INL

fIN = 15MHz

±1.5

LSB

Differential Nonlinearity

DNL

fIN = 70MHz, no missing codes guaranteed

±0.4

LSB

Offset Error

-12

+12

mV

Gain Error

-4

+4

%FS

ANALOG INPUT (INP, INN)

Differential Input Voltage Range

VDIFF

Fully differential inputs drive, VDIFF = VINP - VINN

2.56

VP-P

Common-Mode Input Voltage

VCM

Self-biased

4.163

V

Differential Input Resistance

RIN

1

±15%

k

Ω

Differential Input Capacitance

CIN

1pF

Full-Power Analog Bandwidth

FPBW

-1dB

-1dB rolloff for a full-scale input

260

MHz

CONVERSION RATE

Maximum Clock Frequency

fCLK

80

MHz

Minimum Clock Frequency

fCLK

20

MHz

Aperture Jitter

tAJ

0.21

psRMS

CLOCK INPUT (CLKP, CLKN)

Full-Scale Differential Input

Voltage

VDIFFCLK Fully differential input drive, VCLKP - VCLKN

0.5 to

3.0

V

Common-Mode Input Voltage

VCM

Self-biased

2.4

V

Differential Input Resistance

RINCLK

2

±15%

k

Ω

Differential Input Capacitance

CINCLK

1pF

DYNAMIC CHARACTERISTICS

Thermal + Quantization

Noise Floor

NF

Analog input <-35dBFS

-78.4

dBFS

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