MAX5894_08 datasheet(4/32 Pages) MAXIM

部件名	MAX5894

功能描述	14-Bit, 500Msps, Interpolating and Modulating Dual DAC with CMOS Inputs

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制造商	MAXIM [Maxim Integrated Products]

网页	https://www.maximintegrated.com/en.html

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4 / 32 page

14-Bit, 500Msps, Interpolating and Modulating

Dual DAC with CMOS Inputs

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

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

mode, 50

Ω 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)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Propagation Delay

tPD

1x interpolation (Note 4)

2.9

ns

Output Rise Time

tRISE

10% to 90% (Note 5)

0.75

ns

Output Fall Time

tFALL

10% to 90% (Note 5)

1

ns

Output Settling Time

To 0.5% (Note 5)

11

ns

Output Bandwidth

-1dB bandwidth (Note 6)

240

MHz

Passband Width

Ripple < -0.01dB

0.4 x

fDATA

0.604 x fDATA, 2x interpolation

100

0.604 x fDATA, 4x interpolation

100

Stopband Rejection

0.604 x fDATA, 8x interpolation

100

dB

1x interpolation

22

2x interpolation

70

4x interpolation

146

Data Latency

8x interpolation

311

Clock

Cycles

DAC INTERCHANNEL MATCHING

Gain Match

∆Gain

fOUT = DC - 80MHz, IOUTFS = 20mA

±0.1

dB

Gain-Match Tempco

∆Gain/°C IOUTFS = 20mA

±0.02

ppm/°C

Phase Match

∆Phase

fOUT = 60MHz, IOUTFS = 20mA

±0.13

Deg

Phase-Match Tempco

∆Phase/°C fOUT = 60MHz, IOUTFS = 20mA

±0.006

Deg/°C

DC Gain Match

IOUTFS = 20mA

-0.25

0.04

+0.25

dB

Channel-to-Channel Crosstalk

fOUT = 50MHz, fDAC = 250MHz, 0dBFS

-90

dB

REFERENCE

Reference Input Range

0.125

1.250

V

Reference Output Voltage

VREFIO

Internal reference

1.14

1.20

1.27

V

Reference Input Resistance

RREFIO

10

k

Ω

Reference Voltage Drift

±50

ppm/°C

CMOS LOGIC INPUT/OUTPUT (A13–A0, SELIQ/B13, DATACLK/B12, B11–B0, DATACLK)

Input High Voltage

VIH

0.7 x

DVDD1.8

V

Input Low Voltage

VIL

0.3 x

DVDD1.8

V

Input Current

IIN

-20

±1

+20

µA

Input Capacitance

CIN

3pF

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