Datasheet

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DAC7551
SLAS441E – MARCH 2005 – REVISED APRIL 2007
ELECTRICAL CHARACTERISTICS (continued)
all specifications at –40 ° C to +105 ° C, V
DD
= 2.7V to 5.5V, V
REF
H = V
DD
, V
REF
L = GND, R
L
= 2k Ω to GND, and C
L
= 200pF to
GND (unless otherwise noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
POWER REQUIREMENTS
V
DD
2.7 5.5 V
IOV
DD
(3)
1.8 V
DD
V
Normal operation (DAC V
DD
= 3.6V to 5.5V, V
IH
= IOV
DD
, V
IL
= GND 150 200
active and excluding load µ A
V
DD
= 2.7V to 3.6V, V
IH
= IOV
DD
, V
IL
= GND 100 150
current)
I
DD
(4)
V
DD
= 3.6V to 5.5V, V
IH
= IOV
DD
, V
IL
= GND 0.2 2
All power-down modes µ A
V
DD
= 2.7V to 3.6V, V
IH
= IOV
DD
, V
IL
= GND 0.05 2
POWER EFFICIENCY
I
OUT
/I
DD
I
LOAD
= 2mA, V
DD
= 5V 93 %
TEMPERATURE RANGE
Specified performance –40 +105 ° C
(3) IOV
DD
operates down to 1.8V with slightly degraded timing, as long as V
IH
≥ 0.8 IOV
DD
and V
IL
≤ 0.2 IOV
DD
.
(4) I
DD
tested with digital input code = 0032.
4
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