Datasheet

AD5744R Data Sheet
Rev. E | Page 4 of 32
SPECIFICATIONS
AV
DD
= 11.4 V to 16.5 V, AV
SS
= −11.4 V to −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external;
DV
CC
= 2.7 V to 5.25 V, R
LOAD
= 10 kΩ, C
L
= 200 pF. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
1
ACCURACY Outputs unloaded
Resolution 14 Bits
Relative Accuracy (INL) −1 +1 LSB
Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic
Bipolar Zero Error −2 +2 mV
25°C; error at other temperatures obtained
using bipolar zero tempco
−3 +3 mV
Bipolar Zero Tempco
2
−2 +2 ppm FSR/°C
Zero-Scale Error −2 +2 mV
25°C; error at other temperatures
obtained using zero-scale tempco
−2.5 +2.5 mV
Zero-Scale Tempco
2
−2 +2 ppm FSR/°C
Gain Error −0.02 +0.02 % FSR
Gain Tempco
2
−2 +2 ppm FSR/°C
DC Crosstalk
2
0.125 LSB
REFERENCE INPUT/OUTPUT
Reference Input
2
Reference Input Voltage 5 V ±1% for specified performance
DC Input Impedance 1 MΩ Typically 100 MΩ
Input Current −10 +10 μA Typically ±30 nA
Reference Range 1 7 V
Reference Output
Output Voltage 4.995 5 5.005 V 25°C, AV
DD
/AV
SS
= ±13.5 V
Reference Tempco
2
−10 ±1.7 +10 ppm/°C
R
LOAD
2
1 MΩ
Power Supply Sensitivity
1
300 μV/V
Output Noise
2
18 μV p-p 0.1 Hz to 10 Hz
Noise Spectral Density
2
75 nV/√Hz 10 kHz
Output Voltage Drift vs. Time
2
±40 ppm/500 hr
±50 ppm/1000 hr
Thermal Hysteresis
1
70 ppm First temperature cycle
30 ppm Subsequent temperature cycles
OUTPUT CHARACTERISTICS
2
Output Voltage Range
3
−10.5263 +10.5263 V AV
DD
/AV
SS
= ±11.4 V, V
REFIN
= 5 V
−14.7368 +14.7368 V AV
DD
/AV
SS
= ±16.5 V, V
REFIN
= 7 V
Output Voltage Drift vs. Time ±13 ppm FSR/500 hr
±15 ppm FSR/1000 hr
Short-Circuit Current 10 mA R
ISCC
= 6 kΩ, see Figure 31
Load Current −1 +1 mA For specified performance
Capacitive Load Stability
R
LOAD
= ∞ 200 pF
R
LOAD
= 10 kΩ 1000 pF
DC Output Impedance 0.3 Ω