Datasheet

Data Sheet AD5757
Rev. D | Page 5 of 44
SPECIFICATIONS
AV
DD
= V
BOOST_x
= 15 V; DV
DD
= 2.7 V to 5.5 V; AV
CC
= 4.5 V to 5.5 V; dc-to-dc converter disabled; AGND = DGND = GNDSW
x
= 0 V;
REFIN = 5 V; R
L
= 300 Ω; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter
1
Min Typ Max Unit Test Conditions/Comments
CURRENT OUTPUT
Output Current Ranges
0
24
mA
0
20
mA
4 20 mA
Resolution 16 Bits
ACCURACY (EXTERNAL R
SET
)
Assumes ideal resistor; see the External Current
Setting Resistor section for more information
Total Unadjusted Error (TUE)
−0.05 ±0.009 +0.05 % FSR
TUE Long-Term Stability 100 ppm FSR Drift after 1000 hours, T
J
= 150°C
Relative Accuracy (INL) −0.006 +0.006 % FSR
Differential Nonlinearity (DNL)
−1
+1
LSB
Guaranteed monotonic
Offset Error −0.05 ±0.005 +0.05 % FSR
Offset Error Drift
2
±4
ppm FSR/°C
Gain Error −0.05 ±0.004 +0.05 % FSR
Gain TC
2
±3 ppm FSR/°C
Full-Scale Error −0.05 ±0.008 +0.05 % FSR
Full-Scale TC
2
±5 ppm FSR/°C
DC Crosstalk 0.0005 % FSR External R
SET
ACCURACY (INTERNAL R
SET
)
Total Unadjusted Error (TUE)
3, 4
−0.14 +0.14 % FSR
−0.11 ±0.009 +0.11 % FSR T
A
= 25°C
TUE Long-Term Stability
180
ppm FSR
Drift after 1000 hours, T
J
= 150°C
Relative Accuracy (INL)
−0.006
+0.006
% FSR
−0.004 +0.004 % FSR T
A
= 25°C
Differential Nonlinearity (DNL) −1 +1 LSB Guaranteed monotonic
Offset Error
3, 4
−0.05 +0.05 % FSR
−0.04 ±0.007 +0.04 % FSR T
A
= 25°C
Offset Error Drift
2
±6 ppm FSR/°C
Gain Error −0.12 +0.12 % FSR
−0.06 ±0.002 +0.06 % FSR T
A
= 25°C
Gain TC
2
±9 ppm FSR/°C
Full-Scale Error
3, 4
−0.14 +0.14 % FSR
−0.1 ±0.007 +0.1 % FSR T
A
= 25°C
Full-Scale TC
2
±14 ppm FSR/°C
DC Crosstalk
4
−0.011 % FSR Internal R
SET
OUTPUT CHARACTERISTICS
2
Current Loop Compliance Voltage
V
BOOST_x
−
2.4
V
BOOST_x
−
2.7
V
Output Current Drift vs. Time Drift after 1000 hours, ¾ scale output, T
J
= 150°C
90 ppm FSR External R
SET
140 ppm FSR Internal R
SET
Resistive Load 1000 Ω
The dc-to-dc converter has been characterized
with a maximum load of 1 kΩ, chosen such that
compliance is not exceeded; see Figure 31 and
DC-DC MaxV bits in Table 24
Output Impedance 100 MΩ
DC PSRR 0.02 1 µA/V
REFERENCE INPUT/OUTPUT
Reference Input
2
Reference Input Voltage 4.95 5 5.05 V For specified performance
DC Input Impedance 45 150 MΩ