Datasheet

ELECTRICAL CHARACTERISTICS
DAC5672A
SLAS528A – SEPTEMBER 2007 – REVISED MAY 2009 ................................................................................................................................................... www.ti.com
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
Output settling time to 0.1%
t
s
Mid-scale transition 20 ns
(DAC)
Output rise time 10% to 90%
t
r
1.4 ns
(OUT)
Output fall time 90% to 10%
t
f
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, 83
I
(OUTFS)
= 0 dB
1st Nyquist zone, T
A
= 25 ° C,
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, 80
I
(OUTFS)
= -6 dB
1st Nyquist zone, T
A
= 25 ° C,
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, 79
I
(OUTFS)
= -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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