Dual, 10-Bit, 80Msps, Current-Output DAC
ABSOLUTE MAXIMUM RATINGS
AV
DV
CV
AV
to AGND .........................................................-0.3V to +4V
to DGND.........................................................-0.3V to +4V
to CGND.........................................................-0.3V to +4V
OUTPA, OUTNA to AGND..........(AV
OUTPB, OUTNB to AGND..........(AV
Maximum Current into Any Pin
- 4.8V) to (AV
- 4.8V) to (AV
+ 0.3V)
+ 0.3V)
DD
DD
DD
DD
DD
DD
DD
DD
to DV .............................................................-4V to +4V
(excluding power supplies).......................................... 50mA
DD
AGND to DGND.....................................................-0.3V to +0.3V
AGND to CGND.....................................................-0.3V to +0.3V
DGND to CGND ....................................................-0.3V to +0.3V
DA9–DA0, DB9–DB0, CW, DCE to DGND ...............-0.3V to +4V
Continuous Power Dissipation (T = +70°C)
A
40-Pin Thin QFN (derate 26.3mW/°C above +70°C)....2105mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
CLK to CGND ..........................................-0.3V to (CV
+ 0.3V)
DD
CLKXN, CLKXP to CGND.........................................-0.3V to +4V
REFR, REFO to AGND .............................-0.3V to (AV + 0.3V)
DD
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(AV
= DV
= CV
= 3V, AGND = DGND = CGND = 0, f
= 80Msps, differential clock, external reference, V
= 1.2V, I
=
FS
DD
DD
DD
DAC
REF
20mA, differential output, output amplitude = 0dBFS, T = T
to T
, unless otherwise noted. T ≥ +25°C, guaranteed by produc-
A
MIN
MAX A
tion test. T < +25°C guaranteed by design and characterization. Typical values are at T = +25°C.)
A
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
STATIC PERFORMANCE
Resolution
N
10
Bits
LSB
LSB
LSB
Integral Nonlinearity
Differential Nonlinearity
Offset Error
INL
DNL
R = 0
-1.0
0.25
0.2
+1.0
+0.5
+0.5
+6.8
+4.10
L
Guaranteed monotonic, R = 0
L
-0.5
V
-0.5
0.1
OS
Internal reference (Note1)
External reference
Internal reference
-11.0
-6.25
1.5
Gain Error (See Also Gain Error
Definition Section)
GE
%FSR
0.7
150
100
Gain-Error Temperature Drift
ppm/°C
External reference
DYNAMIC PERFORMANCE
f
f
f
= 10MHz
= 20MHz
= 30MHz
69.5
78
78
72
OUT
OUT
OUT
f
A
= 80MHz,
CLK
= -1dBFS
OUT
Spurious-Free Dynamic Range to
Nyquist
SFDR
dBc
f
A
= 44MHz,
CLK
f
f
= 10MHz
= 1MHz
78
79
85
82
82
74
OUT
OUT
= -1dBFS
OUT
f
A
= 25MHz,
CLK
= -1dBFS
OUT
f
A
= 80MHz, f
= 10MHz,
= -1dBFS, span = 10MHz
CLK
OUT
OUT
Spurious-Free Dynamic Range
Within a Window
f
A
= 65MHz, f
= 5MHz,
= -1dBFS, span = 2.5MHz
CLK
OUT
SFDR
MTPR
dBc
dBc
OUT
f
A
= 25MHz, f
= 1MHz,
= -1dBFS, span = 2MHz
CLK
OUT
OUT
8 tones at 400kHz spacing, f
= 78MHz,
CLK
Multitone Power Ratio to Nyquist
f
= 15MHz to 18.2MHz
OUT
2
_______________________________________________________________________________________
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