Datasheet


SLAS353 − DECEMBER 2001
3
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electrical characteristics, DV
DD
= 1.8 V to 5.5 V; AV
DD
= 2.7 V to 5.5 V; R
L
= 2 kΩ to AGND;
C
L
= 200 pF to AGND; all specifications –40°C to 85°C (unless otherwise noted) (continued)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
REFERENCE INPUT
Reference current
AV
DD
= V
REF
H = 5 V, V
REF
L = AGND 50 75
A
Reference current
AV
DD
= V
REF
H = 3.6 V, V
REF
L = AGND 35 60
µA
V
REF
H input range V
REF
H>V
REF
L 0 AV
DD
V
V
REF
L input range −100 AGND 100 mV
Reference input impedance 100 kΩ
LOGIC INPUTS (see Note 2)
Input current ±1 µA
V
IN
L, input low voltage DV
DD
= 1.8 V to 5.5 V 0.3×DV
DD
V
V
IN
H, input high voltage DV
DD
= 1.8 V to 5.5 V 0.7×DV
DD
V
Pin input capacitance 3 pF
POWER REQUIREMENTS
DV
DD
1.8 5.5 V
DI
DD
DAC active and excluding load current,
V
IH
= DV
DD
and V
IL
= DGND
0.2 1.0 µA
AV
DD
2.7 5.5 V
AI
DD
(normal operation)
DAC active and excluding load current,
AV
DD
= 3.6 V to 5.5 V
DAC active and excluding load current,
V
IH
= DV
DD
and V
IL
= DGND
250 400
A
AV
DD
= 2.7 V to 3.6 V
V
IH
= DV
DD
and V
IL
= DGND
240 390
µA
AI
DD
(all power-down modes)
AV
DD
= 3.6 V to 5.5 V
V
IH
= DV
DD
and V
IL
= DGND
0.2 1
A
AV
DD
= 2.7 V to 3.6 V
V
IH
= DV
DD
and V
IL
= DGND
0.05 1
µA
POWER EFFICIENCY
I
OUT
/AI
DD
I
(LOAD)
= 2 mA, AV
DD
= +5 V 89%
NOTE 2; Assured by design and characterization, not production tested.