Datasheet

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ELECTRICAL CHARACTERISTICS
DAC8574
SLAS377B – JANUARY 2003 – REVISED DECEMBER 2004
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 specified.
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
STATIC PERFORMANCE
(1) (2)
Resolution 16 Bits
Relative accuracy ± 0.0987 % of FSR
Differential nonlinearity Specified monotonic by design ± 1 LSB
Zero-scale error 5 20 mV
Full-scale error -0.15 ± 1.0 % of FSR
Gain error ± 1.0 % of FSR
Zero code error drift ± 7 µV/ °C
Gain temperature coefficient ± 3 ppm of FSR/ °C
PSRR V
DD
= 5 V 0.75 mV/V
OUTPUT CHARACTERISTICS
(3)
Output voltage range 0 V
REF
H V
Output voltage settling time (full scale) R
L
= 2 k Ω; 0 pF < C
L
< 200 pF 8 10 µs
R
L
= 2 k Ω; C
L
= 500 pF 12 µs
Slew rate 1 V/ µs
DC crosstalk 0.25 LSB
AC crosstalk 1 kHz Sine Wave -100 -96 dB
Capacitive load stability R
L
= ∞ 470 pF
R
L
= 2 k Ω 1000 pF
Digital-to-analog glitch impulse 1 LSB change around major carry 20 nV-s
Digital feedthrough 0.5 nV-s
DC output impedance 1 Ω
Short-circuit current V
DD
= 5 V 50 mA
V
DD
= 3 V 20 mA
Power-up time Coming out of power-down mode, 2.5 µs
V
DD
= +5 V
Coming out of power-down mode, 5 µs
V
DD
= +3 V
REFERENCE INPUT
V
REF
H Input range 0 V
DD
V
V
REF
L Input range V
REF
L < V
REF
H 0 GND V
DD
V
Reference input impedance 35 k Ω
Reference current V
REF
=V
DD
= +5 V 135 180 µA
V
REF
=V
DD
= +3 V 80 120
LOGIC INPUTS
(3)
Input current ± 1 µA
V
IN_L
, Input low voltage 0.3xIOV
DD
V
V
IN_H
, Input high voltage V
DD
= 3 V 0.7xIOV
DD
V
Pin Capacitance 3 pF
POWER REQUIREMENTS
V
DD
, IOV
DD
2.7 5.5 V
I
DD
(normal operation) Excluding load current
I
DD
@ V
DD
=+3.6V to +5.5V V
IH
= IOV
DD
and V
IL
=GND 950 1600 µA
I
DD
@ V
DD
=+2.7V to +3.6V V
IH
= IOV
DD
and V
IL
=GND 900 1500 µA
(1) Linearity tested using a reduced code range of 485 to 64714; output unloaded.
(2) V
REF
H = V
DD
- 0.1 V, V
REF
L = GND
(3) Specified by design and characterization, not production tested.
3