Datasheet

DAC2904
www.ti.com .............................................................................................................................................. SBAS198C –AUGUST 2001–REVISED OCTOBER 2009
ELECTRICAL CHARACTERISTICS (continued)
T
MIN
to T
MAX
, +V
A
= +5V, +V
D
= +3.3V, differential transformer coupled output, and 50Ω doubly-terminated, unless otherwise
noted. Independent Gain Mode.
DAC2904
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
POWER SUPPLY
Supply Voltages
+V
A
+3.0 +5 +5.5 V
+V
D
+3.0 +3.3 +5.5 V
Supply Current
I
VA
(5)
+V
A
= +5V, l
OUT
= 20mA 58 65 mA
I
VA
(5)
Power-Down mode 1.7 3 mA
I
VD
(5)
4.2 7 mA
I
VD
(6)
17 19.5 mA
Power Dissipation
(5)
+V
A
= +5V, +V
D
= 3.3V, l
OUT
= 20mA 310 350 mW
Power Dissipation
(6)
+V
A
= +5V, +V
D
= 3.3V, l
OUT
= 20mA 348 390 mW
Power Dissipation
(5)
+V
A
= +5V, +V
D
= 3.3V, l
OUT
= 2mA 130 mW
Power Dissipation Power-Down mode 23 38 mW
Thermal Resistance, TQFP-48
θ
JA
60 °C/W
θ
JC
13 °C/W
TEMPERATURE RANGE
Specified Ambient –40 +85 °C
Operating Ambient –40 +85 °C
(5) Measured at f
CLOCK
= 25MSPS and f
OUT
= 1MHz.
(6) Measured at f
CLOCK
= 100MSPS and f
OUT
= 40MHz.
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