Datasheet

MAX5894
14-Bit, 500Msps, Interpolating and Modulating
Dual DAC with CMOS Inputs
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(DV
DD1.8
= AV
DD1.8
= 1.8V, AV
CLK
= AV
DD3.3
= DV
DD3.3
= 3.3V, modulator off, 2x interpolation, DATACLK output mode, dual-port
mode, 50Ω double-terminated outputs, external reference at 1.25V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are
at T
A
= +25°C, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
f
OUT
= 10MHz 91
f
OUT
= 30MHz 85
f
DATACLK
= 125MHz,
interpolation off, 0dBFS
f
OUT
= 50MHz 73
f
OUT
= 10MHz 77 89
f
OUT
= 30MHz 86
f
DATACLK
= 125MHz,
2x interpolation, 0dBFS
f
OUT
= 50MHz 85
f
OUT
= 10MHz 91
f
OUT
= 30MHz 86
In-Band SFDR
(DC to f
DATA
/2)
SFDR
f
DATACLK
= 125MHz,
4x interpolation, 0dBFS
f
OUT
= 50MHz 88
dBc
No interpolation -102
2x interpolation -102
f
DATACLK
= 125MHz,
f
OUT1
= 9MHz, f
OUT2
=
10MHz, -6.1dBFS
4x interpolation -102
2x interpolation,
f
IM
/4 complex
modulation
-73
f
DATA
= 125MHz, f
OUT1
= 79MHz, f
OUT2
=
80MHz, -6.1dBFS
4x interpolation,
f
IM
/4 complex
modulation
-75
f
DATACLK
= 62.5MHz,
f
OUT1
= 9MHz, f
OUT2
=
10MHz, -6.1dBFS
8x interpolation -99
f
DATACLK
= 62.5MHz,
f
OUT1
= 69MHz, f
OUT2
= 70MHz, -6.1dBFS
8x interpolation,
f
IM
/4 complex
modulation
-70
Two-Tone IMD TTIMD
f
DATACLK
= 62.5MHz,
f
OUT1
= 179MHz, f
OUT2
= 180MHz, -6.1dBFS
8x, highpass
interpolation,
f
IM
/4 complex
modulation
-63
dBc
Four-Tone IMD FTIMD
f
DATACLK
= 125MHz, f
OUT
spaced 1MHz
apart from 32MHz, -12dBFS, 2x
interpolation
-95 dBc
4x interpolation 78
f
DATACLK
= 61.44MHz,
f
OUT
= baseband
8x interpolation 78
f
DATACLK
=
122.88MHz, f
OUT
=
61.44MHz
2x interpolation,
f
IM
/4 complex
modulation
74
ACLR for WCDMA
(Note 3)
ACLR
f
DATACLK
=
122.88MHz, f
OUT
=
122.88MHz
4x interpolation,
f
IM
/4 complex
modulation
69
dB