MAX5894EGK+D【PDF 12/32 页】IC DAC 14BIT DUAL 500MSPS 68-QFN

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Sheet目录2011

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MAX5894

14-Bit, 500Msps, Interpolating and Modulating

Dual DAC with CMOS Inputs

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(DVDD1.8 = AVDD1.8 = 1.8V, AVCLK = AVDD3.3 = DVDD3.3 = 3.3V, modulator off, 2x interpolation, DATACLK output mode, dual-port

mode, 50

double-terminated outputs, external reference at 1.25V, TA = -40°C to +85°C, unless otherwise noted. Typical values are

at TA = +25°C, unless otherwise noted.) (Note 2)

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.

DVDD1.8, AVDD1.8 to GND, DACREF ..................-0.3V to +2.16V

AVDD3.3, AVCLK, DVDD3.3 to GND, DACREF ........-0.3V to +3.9V

DATACLK, A0–A13, B0–B11,

SELIQ/B13, DATACLK/B12, CS, RESET, SCLK,

DIN and DOUT to GND, DACREF ...-0.3V to (DVDD3.3 + 0.3V)

CLKP, CLKN to GND, DACREF..............-0.3V to (AVCLK + 0.3V)

REFIO, FSADJ to GND, DACREF ........-0.3V to (AVDD3.3 + 0.3V)

OUTIP, OUTIN, OUTQP,

OUTQN to GND, DACREF ..................-1V to (AVDD3.3 + 0.3V)

DOUT, DATACLK, DATACLK/B12 Continuous Current........8mA

Continuous Power Dissipation (TA = +70°C)

68-Pin QFN (derate 41.7mW/°C above +70°C)

(Note 1) ...................................................................3333.3mW

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

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

Storage Temperature Range .............................-65°C to +150°C

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

Thermal Resistance

θJC (Note 1)....................................0.8°C/W

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

STATIC PERFORMANCE

Resolution

Bits

Differential Nonlinearity

DNL

±0.5

LSB

Integral Nonlinearity

INL

±1.0

LSB

Offset Error

-0.025

0.003

+0.025

%FS

Offset Drift

±0.03

ppm/°C

Full-Scale Gain Error

GEFS

-4

-0.6

%FS

Gain-Error Drift

±110

ppm/°C

Full-Scale Output Current

IOUTFS

220

Output Compliance

-0.5

+1.1

Output Resistance

ROUT

Output Capacitance

COUT

5pF

DYNAMIC PERFORMANCE

Maximum Clock Frequency

fCLK

500

MHz

Minimum Clock Frequency

fCLK

MHz

Maximum DAC Update Rate

fDAC

fDAC = fCLK or fDAC = fCLK/2

500

Msps

Minimum DAC Update Rate

fDAC

fDAC = fCLK or fDAC = fCLK/2

Msps

Maximum Input Data Rate

fDATA

125

MWps

No interpolation

-154

2x interpolation

-154

fDATACLK = 125MHz,

fOUT = 16MHz, fOFFSET

= 10MHz, -12dBFS

4x interpolation

-154

Noise Spectral Density

fDATACLK = 125MHz,

fOUT = 16MHz, fOFFSET

= 10MHz, 0dBFS

4x interpolation

-151

dBFS/

Note 1: Thermal resistance based on a multilayer board with 4 x 4 via array in exposed pad area.

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