Datasheet

DAC5652
SLAS452C –MARCH 2005–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 275 MSPS
rate
(1)
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
Output noise pA/√Hz
I
OUTFS
= 2 mA 30
AC Linearity
1st Nyquist zone, T
A
= 25°C,
79
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, I
OUTFS
= 0 dB
1st Nyquist zone, T
A
= 25°C,
78
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, I
OUTFS
= –6 dB
1st Nyquist zone, T
A
= 25°C,
73
f
DATA
= 50 MSPS, f
OUT
= 1 MHz, I
OUTFS
= –12 dB
1st Nyquist zone, T
A
= 25°C,
80
f
DATA
= 100 MSPS, f
OUT
= 5 MHz, I
OUTFS
= 0 dB
SFDR Spurious-free dynamic range dBc
1st Nyquist zone, T
A
= 25°C,
76
f
DATA
= 100 MSPS, f
OUT
= 20 MHz, I
OUTFS
= 0 dB
1st Nyquist zone, T
MIN
to T
MAX
,
61 70
f
DATA
= 200 MSPS, f
OUT
= 20 MHz, I
OUTFS
= 0 dB
1st Nyquist zone, T
A
= 25°C,
67
f
DATA
= 200 MSPS, f
OUT
= 41 MHz, I
OUTFS
= 0 dB
1st Nyquist zone, T
A
= 25°C,
70
f
DATA
= 275 MSPS, f
OUT
= 20 MHz
1st Nyquist zone, T
A
= 25°C,
63 dB
f
DATA
= 100 MSPS, f
OUT
= 5 MHz, I
OUTFS
= 0 dB
SNR Signal-to-noise ratio
1st Nyquist zone, T
A
= 25°C,
62 dB
f
DATA
= 160 MSPS, f
OUT
= 20 MHz, I
OUTFS
= 0 dB
Each tone at –6 dBFS, T
A
= 25°C,
61
f
DATA
= 200 MSPS, f
OUT
= 45.4 MHz and 46.4 MHz
Third-order two-tone
IMD3 dBc
intermodulation
Each tone at –6 dBFS, T
A
= 25°C,
78
f
DATA
= 100 MSPS, f
OUT
= 15.1 MHz and 16.1 MHz
Each tone at –12 dBFS, T
A
= 25°C
f
DATA
= 100 MSPS, f
OUT
= 15.6, 15.8, 16.2, and 76
16.4 MHz
Each tone at –12 dBFS, T
A
= 25°C
IMD Four-tone intermodulation f
DATA
= 165 MSPS, f
OUT
= 19.0, 19.1, 19.3, and 55 dBc
19.4 MHz
Each tone at –12 dBFS, T
A
= 25°C
f
DATA
= 165 MSPS, f
OUT
= 68.8, 69.6, 71.2, and 70
72.0 MHz
T
A
= 25°C, f
DATA
= 165 MSPS dBc
Channel isolation 90
f
OUT
(CH1) = 20 MHz, f
OUT
(CH2) = 21 MHz
(1) Specified by design and bench characterization. Not production tested.
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