Datasheet

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DAC7571
SLAS374C – FEBRUARY 2003 – REVISED MAY 2006
ELECTRICAL CHARACTERISTICS (continued)
V
DD
= +2.7 V to +5.5 V; R
L
= 2 k Ω to GND; C
L
= 200 pF to GND; all specifications –40°C to +105°C unless otherwise noted.
DAC7571
PARAMETER CONDITIONS UNITS
MIN TYP MAX
Zero code error 5 20 mV
Full-scale error All ones loaded to DAC register –0.15 –1.25 % of FSR
Gain error ±1.25 % of FSR
Zero code error drift ± 7 µV/°C
Gain temperature coefficient ± 3 ppm of FSR/ °C
OUTPUT CHARACTERISTICS
(2)
Output voltage range 0 V
DD
V
Output voltage settling time 1/4 Scale to 3/4 scale change (400
H
to C00
H
) 8 10 µs
Slew rate 1 V/µs
R
L
= ∞ 470 pF
Capacitive load stability
R
L
= 2 k Ω 1000 pF
Code change glitch impulse 1 LSB Change around major carry 20 nV-s
Digital feedthrough 0.5 nV-s
DC output impedance 1 Ω
V
DD
= +5 V 50 mA
Short-circuit current
V
DD
= +3 V 20 mA
Coming out of power-down mode, V
DD
= +5 V 2.5 µs
Power-up time
Coming out of power-down mode, V
DD
= +3 V 5 µs
LOGIC INPUTS
(3)
Input current ±1 µA
V
IN
L, Input low voltage V
DD
= +3 V 0.3 × V
DD
V
V
IN
H, Input high voltage V
DD
= +5 V 0.7 × V
DD
V
Pin capacitance 3 pF
POWER REQUIREMENTS
V
DD
2.7 5.5 V
I
DD
(normal operation) DAC active and excluding load current
V
DD
= +3.6 V to +5.5 V V
IH
= V
DD
and V
IL
= GND 135 200 µA
V
DD
= +2.7 V to +3.6 V V
IH
= V
DD
and V
IL
= GND 115 160 µA
I
DD
(all power-down modes)
V
DD
= +3.6 V to +5.5 V V
IH
= V
DD
and V
IL
= GND 0.2 1 µA
V
DD
= +2.7 V to +3.6 V V
IH
= V
DD
and V
IL
= GND 0.05 1 µA
POWER EFFICIENCY
I
OUT
/I
DD
I
LOAD
= 2 mA, V
DD
= +5 V 93 %
(2) Specified by design and characterization, not production tested.
(3) Specified by design and characterization, not production tested.
3
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