Datasheet
DAC8501
3
SBAS212A
www.ti.com
PARAMETER CONDITIONS MIN TYP MAX UNITS
STATIC PERFORMANCE
(1)
Resolution 16 Bits
Relative Accuracy ±0.098 % of FSR
Differential Nonlinearity Ensured Monotonic by Design ±1 LSB
Zero Code Error All Zeroes Loaded to DAC Register +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 ±20 µV/°C
Gain Temperature Coefficient ±5 ppm of FSR/°C
OUTPUT CHARACTERISTICS
(2)
Output Voltage Range 0V
REF
V
Output Voltage Settling Time To ±0.003% FSR
0200
H
to FD00
H
810 µs
R
L
= 2kΩ; 0pF < C
L
< 200pF
R
L
= 2kΩ; C
L
= 500pF 12 µs
Slew Rate 1V/µs
Capacitive Load Stability R
L
= ∞ 470 pF
R
L
= 2kΩ to Ground 1000 pF
Code Change Glitch Impulse 1LSB Change Around Major Carry 20 nV-s
Digital Feedthrough 0.5 nV-s
DC Output Impedance 1 Ω
Short-Circuit Current V
DD
= +5V 50 mA
V
DD
= +3V 20 mA
Power-Up Time Coming Out of Power-Down Mode
V
DD
= +5V 2.5 µs
Coming Out of Power-Down Mode
V
DD
= +3V 5 µs
REFERENCE INPUT
Reference Current V
REF
= V
DD
= +5V 35 45 µA
V
REF
= V
DD
= +3.6V 20 30 µA
Reference Input Range 0 V
DD
V
Reference Input Impedance 150 kΩ
MULTIPLYING MODE
Small-Signal Bandwidth 350 kHz
Full-Power Bandwidth 64 kHz
LOGIC INPUTS
(2)
Input Current ±1 µA
V
IN
L, Input LOW Voltage V
DD
= +5V 0.8 V
V
IN
L, Input LOW Voltage V
DD
= +3V 0.6 V
V
IN
H, Input HIGH Voltage V
DD
= +5V 2.4 V
V
IN
H, Input HIGH Voltage V
DD
= +3V 2.1 V
Pin Capacitance 3pF
POWER REQUIREMENTS
V
DD
2.7 5.5 V
I
DD
(normal mode)
DAC Active and Excluding Load Current
V
DD
= +3.6V to +5.5V V
IH
= V
DD
and V
IL
= GND 250 400 µA
V
DD
= +2.7V to +3.6V V
IH
= V
DD
and V
IL
= GND 240 390 µA
I
DD
(all power-down modes)
V
DD
= +3.6V to +5.5V V
IH
= V
DD
and V
IL
= GND 0.2 1 µA
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
= 2mA, V
DD
= +5V 89 %
TEMPERATURE RANGE
Specified Performance –40 +105 °C
ELECTRICAL CHARACTERISTICS
V
DD
= +2.7V to +5.5V, and –40°C to +105°C, unless otherwise specified.
DAC8501E
NOTES: (1) Linearity calculated using a reduced code range of 485 to 64714; output unloaded. (2) Ensured by design and characterization, not production tested.