Datasheet
www.ti.com
DAC7574
SLAS375–JUNE 2003
ELECTRICAL CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, R
L
= 2 kΩ 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)
Resolution 12 Bits
Relative accuracy ± 8 LSB
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
OUTPUT CHARACTERISTICS
(2)
Output voltage range 0 V
DD
V
Output voltage settling time (full scale) R
L
= ∞; 0 pF < C
L
< 200 pF 8 10 µs
R
L
= ∞ ; C
L
= 500 pF 12 µs
Slew rate 1 V/µs
DC crosstalk (channel-to-channel) 0.25 LSB
AC crosstalk (channel-to-channel) 1 kHz Sine Wave -100 dB
Capacitive load stability R
L
= ∞ 470 pF
R
L
= 2 kΩ 1000 pF
Digital-to-analog glitch impulse 1 LSB change around major 12 nV-s
carry
Digital feedthrough 0.3 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 2.5 µs
mode, V
DD
= +5 V
Coming out of power-down 5 µs
mode, V
DD
= +3 V
LOGIC INPUTS
(2)
Input current ± 1 µA
V
IN_L
, Input low voltage 0.3xV
DD
V
V
IN_H
, Input high voltage V
DD
= 3 V 0.7xV
DD
V
Pin Capacitance 3 pF
POWER REQUIREMENTS
V
DD
2.7 5.5 V
I
DD
(normal operation), including reference current Excluding load current
I
DD
@ V
DD
=+3.6V to +5.5V V
IH
= V
DD
and V
IL
=GND 600 900 µA
I
DD
@ V
DD
=+2.7V to +3.6V V
IH
= V
DD
and V
IL
=GND 550 750 µA
I
DD
(all power-down modes)
I
DD
@ V
DD
=+3.6V to +5.5V V
IH
= V
DD
and V
IL
=GND 0.2 1 µA
I
DD
@ V
DD
=+2.7V to +3.6V 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%
(1)
Linearity tested using a reduced code range of 48 to 4047; output unloaded.
(2)
Specified by design and characterization, not production tested.
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