Datasheet

Data Sheet AD5791
Rev. D | Page 3 of 28
SPECIFICATIONS
V
DD
= 12.5 V to 16.5 V, V
SS
= −16.5 V to −12.5 V, V
REFP
= 10 V, V
REFN
= −10 V, V
CC
= 2.7 V to +5.5 V, IOV
CC
= 1.71 V to 5.5 V,
R
L
= unloaded, C
L
= unloaded, all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
A, B Version
1
Parameter Min Typ Max Unit Test Conditions/Comments
STATIC PERFORMANCE
2
Resolution 20 Bits
Integral Nonlinearity Error (Relative Accuracy) −1 ±0.25 +1 LSB B version, V
REFP
= +10 V, V
REFN
= −10 V,
T
A
= 0°C to 105°C
−1.5 ±0.25 +1.5 LSB B version, V
REFP
= +10 V, V
REFN
= −10 V
−1.5 ±0.5 +1.5 LSB B version, V
REFP
= 10 V, V
REFN
= 0 V
3
−3 ±1 +3 LSB B version, V
REFP
= 5 V, V
REFN
= 0 V
3
−4 ±2 +4 LSB A version
4
Differential Nonlinearity Error −1 ±0.5 +1 LSB V
REFP
= +10 V, V
REFN
= −10 V
−1.5 ±0.75 +1.5 LSB V
REFP
= 10 V, V
REFN
= 0 V
−2.5 ±1 +2.5 LSB V
REFP
= 5 V, V
REFN
= 0 V
Linearity Error Long Term Stability
5
0.16 LSB After 500 hours at T
A
= 125°C
0.19 LSB After 1000 hours at T
A
= 125°C
0.11 LSB After 1000 hours at T
A
= 100°C
Full-Scale Error −7 ±0.1 +7 LSB V
REFP
= +10 V, V
REFN
= −10 V
3
−11 ±0.25 +11 LSB V
REFP
= 10 V, V
REFN
= 0 V
3
−21
±0.8
+21
LSB
V
REFP
= 5 V, V
REFN
= 0 V
3
−4 ±0.1 +4 LSB V
REFP
= +10 V, V
REFN
= −10 V
3
, T
A
= 0°C to 105°C
−4 ±0.25 +4 LSB V
REFP
= 10 V, V
REFN
= 0 V
3
, T
A
= 0°C to 105°C
−6 ±0.8 +6 LSB V
REFP
= 5 V, V
REFN
= 0 V
3
, T
A
= 0°C to 105°C
Full-Scale Error Temperature Coefficient ±0.02 ppm FSR/°C
Zero-Scale Error −7 ±0.1 +7 LSB V
REFP
= +10 V, V
REFN
= −10 V
3
−10 ±0.15 +10 LSB V
REFP
= 10 V, V
REFN
= 0 V
3
−21 ±0.75 +21 LSB V
REFP
= 5 V, V
REFN
= 0 V
3
−4 ±0.1 +4 LSB V
REFP
= +10 V, V
REFN
= −10 V
3
, T
A
= 0°C to 105°C
−4 ±0.15 +4 LSB V
REFP
= 10 V, V
REFN
= 0 V
3
, T
A
= 0°C to 105°C
−6 ±0.75 +6 LSB V
REFP
= 5 V, V
REFN
= 0 V
3
, T
A
= 0°C to 105°C
Zero-Scale Error Temperature Coefficient
3
±0.04 ppm FSR/°C
Gain Error −6 ±0.3 +6 ppm FSR V
REFP
= +10 V, V
REFN
= −10 V
3
−10 ±0.4 +10 ppm FSR V
REFP
= 10 V, V
REFN
= 0 V
3
−20 ±0.4 +20 ppm FSR V
REFP
= 5 V, V
REFN
= 0 V
3
−6 ±0.3 +6 ppm FSR V
REFP
= +10 V, V
REFN
= −10 V
3
, T
A
= 0°C to 105°C
−6 ±0.4 +6 ppm FSR V
REFP
= 10 V, V
REFN
= 0 V
3
, T
A
= 0°C to 105°C
−7 ±0.4 +7 ppm FSR V
REFP
= 5 V, V
REFN
= 0 V
3
, T
A
= 0°C to 105°C
Gain Error Temperature Coefficient
3
±0.04
ppm FSR/°C
R1, R
FB
Matching 0.01 %
OUTPUT CHARACTERISTICS
3
Output Voltage Range
V
REFN
V
REFP
V
Output Slew Rate
50
V/µs
Output Voltage Settling Time 1 µs 10 V step to 0.02%, using the AD845 buffer
in unity-gain mode
1 µs 500 code step to ±1 LSB
6
Output Noise Spectral Density 7.5 nV/√Hz at 1 kHz, DAC code = midscale
7.5 nV/√Hz at 10 kHz, DAC code = midscale
7.5 nV/√Hz At 100 kHz, DAC code = midscale
Output Voltage Noise 1.1 µV p-p DAC code = midscale, 0.1 Hz to 10 Hz
bandwidth
7