Datasheet

DAC5672
SLAS440C –NOVEMBER 2004–REVISED DECEMBER 2010 www.ti.com
ELECTRICAL CHARACTERISTICS
AC specifications over T
A
, AVDD = DVDD = 3.3 V, I
OUTFS
= 20 mA, independent gain set mode, differential 1:1 impedance
ratio transformer coupled output, 50-Ω doubly terminated load (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Analog Output
f
clk
Maximum output update rate
(1)
275 MSPS
t
s
Output settling time to 0.1% Mid-scale transition 20 ns
(DAC)
t
r
Output rise time 10% to 90% 1.4 ns
(OUT)
t
f
Output fall time 90% to 10% 1.5 ns
(OUT)
I
OUTFS
= 20 mA 55 pA/√Hz
Output noise
I
OUTFS
= 2 mA 30 pA/√Hz
AC Linearity
1st Nyquist zone, T
A
= 25°C,
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, I
OUTFS
= 0 83
dB
1st Nyquist zone, T
A
= 25°C,
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, I
OUTFS
= 80
-6 dB
1st Nyquist zone, T
A
= 25°C,
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, I
OUTFS
= 79
-12 dB
1st Nyquist zone, T
A
= 25°C,
SFDR Spurious-free dynamic range dBc
84
f
DATA
= 100 MSPS, f
OUT
= 5 MHz
1st Nyquist zone, T
A
= 25°C,
79
f
DATA
= 100 MSPS, f
OUT
= 20 MHz
1st Nyquist zone, T
MIN
to T
MAX
,
68 75
f
DATA
= 200 MSPS, f
OUT
= 20 MHz
1st Nyquist zone, T
A
= 25°C,
72
f
DATA
= 200 MSPS, f
OUT
= 41 MHz
1st Nyquist zone, T
A
= 25°C,
74
f
DATA
= 275 MSPS, f
OUT
= 20 MHz
1st Nyquist zone, T
A
= 25°C,
77 dB
f
DATA
= 100 MSPS, f
OUT
= 5 MHz
SNR Signal-to-noise ratio
1st Nyquist zone, T
A
= 25°C,
70 dB
f
DATA
= 160 MSPS, f
OUT
= 20 MHz
W-CDMA signal with 3.84-MHz Bandwidth,
75 dB
f
DATA
= 61.44 MSPS, IF = 15.360 MHz
W-CDMA signal with 3.84-MHz Bandwidth,
73 dB
f
DATA
= 122.88 MSPS, IF = 30.72 MHz
ACLR Adjacent channel leakage ratio
W-CDMA signal with 3.84-MHz Bandwidth,
78 dB
f
DATA
= 61.44 MSPS, Baseband
W-CDMA signal with 3.84-MHz Bandwidth,
78 dB
f
DATA
= 122.88 MSPS, Baseband
Each tone at -6 dBFS, T
A
= 25°C,
f
DATA
= 200 MSPS, f
OUT
= 45.4 MHz and 65 dBc
46.4 MHz
Third-order two-tone
IMD3
intermodulation
Each tone at -6 dBFS, T
A
= 25°C,
f
DATA
= 100 MSPS, f
OUT
= 15.1 MHz and 79 dBc
16.1 MHz
(1) Specified by design and bench characterization. Not production tested.
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