Rainbow-electronics MAX5888 Manual do Utilizador descarregar pdf (Página 5)

MAX5888

3.3V, 16-Bit, 500Msps High Dynamic

Performance DAC with Differential LVDS Inputs

_______________________________________________________________________________________ 5

Note 1: Nominal full-scale current I

OUT

= 32 ✕ I

REF

Note 2: This parameter does not include update-rate depending effects of sin(x)/x filtering inherent in the MAX5888.

Note 3: Parameter measured single ended into a 50Ω termination resistor.

Note 4: Parameter guaranteed by design.

Note 5: A differential clock input slew rate of >100V/ms is required to achieve the specified dynamic performance.

Note 6: Parameter defined as the change in midscale output caused by a ±5% variation in the nominal supply voltage.

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

UNITS

CLK

= 100Msps, f

OUT

= 1MHz

130

Power Dissipation P

DISS

Power-down 1

Power-Supply Rejection Ratio PSRR

= VCLK = DV

= 3.3V ±5% (Note 6)

-1 +1

%FS/V

ELECTRICAL CHARACTERISTICS (continued)

(AV

= DV

= VCLK = 3.3V, AGND = DGND = CLKGND = 0, external reference, V

REFIO

= 1.25V, R

= 50Ω, I

OUT

= 20mA, T

MIN

to T

MAX

, unless otherwise noted. ≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization.

Typical values are at T

= +25°C.)

Typical Operating Characteristics

(AV

= DV

= VCLK = 3.3V, external reference, V

REFIO

= 1.25V, R

= 50Ω, I

OUT

= 20mA, T

= +25°C, unless otherwise noted.)

100

02010 30 40 50

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 100MHz)

MAX5888 toc01

OUT

(MHz)

SFDR (dBc)

-12dB FS

0dB FS

-6dB FS

100

040

50 70 90

80 100

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 200MHz)

MAX5888 toc02

OUT

(MHz)

SFDR (dBc)

-6dB FS

-12dB FS

0dB FS

100

0 10050 150 200 250

SPURIOUS-FREE DYNAMIC RANGE

vs. OUTPUT FREQUENCY (f

CLK

= 500MHz)

MAX5888 toc03

OUT

(MHz)

SFDR (dBc)

-6dB FS

0dB FS

-12dB FS

-100

-70

-80

-90

-60

-50

-40

-30

-20

-10

798101112

2-TONE INTERMODULATION DISTORTION

CLK

= 100MHz)

MAX5888 toc04

OUT

(MHz)

2-TONE IMD (dBm)

2 x f

- f

2 x f

- f

OUT

= -6dB FS

BW = 5MHz

= 9.0252MHz

= 10.0417MHz

-40

-60

-50

-80

-70

-90

-100

2-TONE IMD vs. OUTPUT FREQUENCY

(1MHz CARRIER SPACING, f

CLK

= 300MHz)

MAX5888 toc05

OUT

(MHz)

TWO-TONE IMD (dBc)

5025 75 100

-6dB FS

-12dB FS

-100

-70

-80

-90

-60

-50

-40

-30

-20

-10

77 7978 80 81 82

2-TONE INTERMODULATION DISTORTION

CLK

= 450MHz)

MAX5888 toc06

OUT

(MHz)

2-TONE IMD (dBm)

2 x f

- f

2 x f

- f

OUT

= -6dB FS

BW = 5MHz

= 79.2114MHz

= 80.0903MHz

1 2 3 4 5 6 7 8 9 10 ... 17 18

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