Datasheet

 
      
   
SLAS152D − DECEMBER 1997 − REVISED APRIL 2004
4
WWW.TI.COM
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
static DAC specifications R
L
= 10 kΩ, C
L
= 100 pF
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Resolution 12 12 bits
INL Integral nonlinearity See Note 4 ± 1.9 ±4 LSB
DNL Differential nonlinearity See Note 5 ± 0.5 ± 1 LSB
E
ZS
Zero-scale error (offset error at zero scale) See Note 6 ±10 mV
Zero-scale-error temperature coefficient See Note 7 10 ppm/°C
E
G
Gain error See Note 8 ±0.6
% of
FS
voltage
Gain-error temperature coefficient See Note 9 10 ppm/°C
NOTES: 4. The relative accuracy or integral nonlinearity (INL) sometimes referred to as linearity error, is the maximum deviation of the output
from the line between zero and full scale excluding the effects of zero code and full-scale errors. Tested from code 10 to code 4095.
5. The differential nonlinearity (DNL) sometimes referred to as differential error, is the difference between the measured and ideal 1
LSB amplitude change of any two adjacent codes. Monotonic means the output voltage changes in the same direction (or remains
constant) as a change in the digital input code. Tested from code 10 to code 4095.
6. Zero-scale error is the deviation from zero voltage output when the digital input code is zero.
7. Zero-scale-error temperature coefficient is given by: E
ZS
TC = [E
ZS
(T
max
) − E
ZS
(T
min
)]/V
ref
× 10
6
/(T
max
− T
min
).
8. Gain error is the deviation from the ideal output (2V
ref
− 1 LSB) with an output load of 10 kΩ excluding the effects of the zero-error.
9. Gain temperature coefficient is given by: E
G
TC = [E
G
(T
max
) − E
G
(T
min
)]/V
ref
× 10
6
/(T
max
− T
min
).
output specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
O
Voltage output range R
L
= 10 kΩ 0 AV
DD
−0.1 V
Output load regulation accuracy R
L
= 2 kΩ, vs 10 kΩ 0.1 ±0.25
% of FS
voltage
reference input (REF)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
I
Input voltage range 0 V
DD
−1.5 V
R
I
Input resistance 10 MΩ
C
I
Input capacitance 5 pF
Reference input bandwidth
REFIN = 0.2 V
pp
+ 1.024 V dc
Slow 525 kHz
Reference input bandwidth REFIN = 0.2 V
pp
+ 1.024 V dc
Fast 1.3 MHz
Reference feed through
REFIN = 1 V
pp
at 1 kHz + 1.024 V dc
(see Note 10)
−75 dB
NOTE 10: Reference feedthrough is measured at the DAC output with an input code = 0x000.
digital inputs
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
IH
High-level digital input current V
I
= V
DD
±1 µA
I
IL
Low-level digital input current V
I
= 0 V ±1 µA
C
I
Input capacitance 3 pF