Datasheet

DAC908
2
SBAS109B
ELECTRICAL CHARACTERISTICS
At T
A
= full specified temperature range, +V
A
= +5V, +V
D
= +5V, differential transformer coupled output, 50Ω doubly terminated, unless otherwise specified.
DAC908U/E
PARAMETER CONDITIONS MIN TYP MAX UNITS
RESOLUTION 8 Bits
OUTPUT UPDATE RATE 2.7V to 3.3V 125 165 MSPS
Output Update Rate (f
CLOCK
) 4.5V to 5.5V 165 200 MSPS
Full Specified Temperature Range, Operating Ambient, T
A
–40 +85 °C
STATIC ACCURACY
(1)
T
A
= +25°C
Differential Nonlinearity (DNL) f
CLOCK
= 25MSPS, f
OUT
= 1.0MHz –0.5 ±0.25 +0.5 LSB
Integral Nonlinearity (INL) –0.5 ±0.25 +0.5 LSB
DYNAMIC PERFORMANCE T
A
= +25°C
Spurious-Free Dynamic Range (SFDR) To Nyquist
f
OUT
= 1.0MHz, f
CLOCK
= 25MSPS 64 70 dBc
f
OUT
= 2.1MHz, f
CLOCK
= 50MSPS 69 dBc
f
OUT
= 5.04MHz, f
CLOCK
= 50MSPS 67 dBc
f
OUT
= 5.04MHz, f
CLOCK
= 100MSPS 67 dBc
f
OUT
= 20.2MHz, f
CLOCK
= 100MSPS 61 dBc
f
OUT
= 25.3MHz, f
CLOCK
= 125MSPS 57 dBc
f
OUT
= 41.5MHz, f
CLOCK
= 125MSPS 51 dBc
f
OUT
= 27.4MHz, f
CLOCK
= 165MSPS 58 dBc
f
OUT
= 54.8MHz, f
CLOCK
= 165MSPS 52 dBc
Spurious-Free Dynamic Range within a Window
f
OUT
= 2.1MHz, f
CLOCK
= 50MSPS 2MHz Span 70 dBc
f
OUT
= 5.04MHz, f
CLOCK
= 100MSPS 4MHz Span 69 dBc
Total Harmonic Distortion (THD)
f
OUT
= 2.1MHz, f
CLOCK
= 50MSPS –72 dBc
f
OUT
= 5.04MHz, f
CLOCK
= 100MSPS –66 dBc
f
OUT
= 20.2MHz, f
CLOCK
= 100MSPS –60 dBc
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas Instru-
ments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
PACKAGE SPECIFIED
DRAWING TEMPERATURE PACKAGE ORDERING TRANSPORT
PRODUCT PACKAGE NUMBER RANGE MARKING NUMBER
(1)
MEDIA
DAC908U SO-28 217 –40°C to +85°C DAC908U DAC908U Rails
"""""DAC908U/1K Tape and Reel
DAC908E TSSOP-28 360 –40°C to +85°C DAC908E DAC908E Rails
"""""DAC908E/2K5 Tape and Reel
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /2K5 indicates 2500 devices per reel). Ordering 2500 pieces
of “DAC908E/2K5” will get a single 2500-piece Tape and Reel.
PACKAGE/ORDERING INFORMATION
DEMO BOARD
PRODUCT ORDERING NUMBER COMMENT
DAC908U DEM-DAC90xU Populated evaluation board without DAC. Order sample of desired DAC90x model separately.
DAC908E DEM-DAC908E Populated evaluation board including the DAC908E.
DEMO BOARD ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
+V
A
to AGND ........................................................................ –0.3V to +6V
+V
D
to DGND ........................................................................ –0.3V to +6V
AGND
to DGND ................................................................. –0.3V to +0.3V
+V
A
to +V
D
............................................................................... –6V to +6V
CLK, PD to DGND ..................................................... –0.3V to V
D
+ 0.3V
D0-D7 to DGND ......................................................... –0.3V to V
D
+ 0.3V
I
OUT
, I
OUT
to AGND ........................................................ –1V to V
A
+ 0.3V
BW, BYP to AGND ..................................................... –0.3V to V
A
+ 0.3V
REF
IN
, FSA to AGND ................................................. –0.3V to V
A
+ 0.3V
INT/EXT to AGND ...................................................... –0.3V to V
A
+ 0.3V
Junction Temperature .................................................................... +150°C
Case Temperature ......................................................................... +100°C
Storage Temperature .................................................................... +125°C