Datasheet

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ELECTRICAL CHARACTERISTICS
DAC6571
SLAS406B DECEMBER 2003 REVISED AUGUST 2005
V
DD
= +2.7 V to +5.5 V; R
L
= 2 k to GND; C
L
= 200 pF to GND; all specifications –40 ° C to +105 ° C unless otherwise noted.
DAC6571
PARAMETER CONDITIONS UNITS
MIN TYP MAX
STATIC PERFORMANCE
(1)
Resolution 10 Bits
Relative accuracy ± 2 LSB
Differential nonlinearity Assured monotonic by design ± 0.5 LSB
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 µ V/ ° C
Gain temperature coefficient ± 3 ppm of FSR/ ° C
OUTPUT CHARACTERISTICS
(2)
Output voltage range 0 V
DD
V
1/4 Scale to 3/4 scale change (400
H
to C00
H
) ;
Output voltage settling time 7 9 µ s
R
L
=
Slew rate 1 V/ µ s
R
L
= 470 pF
Capacitive load stability
R
L
= 2 k 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
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 µ s
Power-up time
Coming out of power-down mode, V
DD
= +3 V 5 µ s
LOGIC INPUTS
(2)
Input current ± 1 µ A
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 155 200 µ A
V
DD
= +2.7 V to +3.6 V V
IH
= V
DD
and V
IL
= GND 125 160 µ A
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 µ A
V
DD
= +2.7 V to +3.6 V V
IH
= V
DD
and V
IL
= GND 0.05 1 µ A
POWER EFFICIENCY
I
OUT
/I
DD
I
LOAD
= 2 mA, V
DD
= +5 V 93 %
(1) Linearity calculated using a reduced code range of 12 to 1012; output unloaded.
(2) Specified by design and characterization; not production tested.
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