AD5781 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD5781 Datasheet PDF : 27 Pages
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Data Sheet
AD5781
SPECIFICATIONS
VDD = +12.5 V to +16.5 V, VSS = −16.5 V to −12.5 V, VREFP = +10 V, VREFN = −10 V, VCC = +2.7 V to +5.5 V, IOVCC = +1.71 V to +5.5 V,
RL = unloaded, CL = unloaded, TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
Min
STATIC PERFORMANCE2
Resolution
18
Integral Nonlinearity Error (Relative
−0.5
Accuracy)
−0.5
−1
−4
Differential Nonlinearity Error
−0.5
−0.5
−1
Linearity Error Long-Term Stability5
Full-Scale Error
−1.75
−2.75
−5.25
−1
Full-Scale Error Temperature Coefficient3
Zero-Scale Error
−1
−1.5
−1.75
−2.5
−5.25
−1
−1
−1.5
Zero-Scale Error Temperature Coefficient3
Gain Error
−6
−10
−20
Gain Error Temperature Coefficient3
R1, RFB Matching
OUTPUT CHARACTERISTICS3
Output Voltage Range
VREFN
Output Slew Rate
Output Voltage Settling Time
Output Noise Spectral Density
Output Voltage Noise
A, B Version1
Typ Max
±0.25 +0.5
±0.25
±0.5
±2
±0.25
±0.25
±0.5
0.04
0.05
0.03
±0.25
±0.062
±0.2
±0.25
+0.5
+1
+4
+0.5
+0.5
+1
+1.75
+2.75
+5.25
+1
±0.062
±0.2
±0.02
±0.025
±0.38
±0.19
±0.025
+1
+1.5
+1.75
+2.5
+5.25
+1
±0.38 +1
±0.19 +1.5
±0.04
±0.3 +6
±0.4 +10
±0.4 +20
±0.04
0.01
VREFP
50
1
1
7.5
7.5
7.5
1.1
Unit
Test Conditions/Comments
Bits
LSB
B version, VREFP = +10 V, VREFN = −10 V
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
ppm FSR/°C
LSB
LSB
LSB
LSB
LSB
LSB
ppm FSR/°C
ppm FSR
ppm FSR
ppm FSR
ppm FSR/°C
%
B version, VREFP = +10 V, VREFN = 0 V3
B version, VREFP = +5 V, VREFN = 0 V3
A version4
VREFP = +10 V, VREFN = −10 V
VREFP = +10 V, VREFN = 0 V3
VREFP = +5 V, VREFN = 0 V3
After 500 hours at TA = 125°C
After 1000 hours at TA = 125°C
After 1000 hours t TA = 100°C
VREFP = +10 V, VREFN = −10 V3
VREFP = +10 V, VREFN = 0 V3
VREFP = +5 V, VREFN = 0 V3
VREFP = +10 V, VREFN = −10 V3,
TA = 0°C to 105°C
VREFP = 10 V, VREFN = 0 V3, TA = 0°C to 105°C
VREFP = 5 V, VREFN = 0 V3, TA = 0°C to 105°C
VREFP = +10 V, VREFN = −10 V3
VREFP = +10 V, VREFN = 0 V3
VREFP = +5 V, VREFN = 0 V3
VREFP = +10 V, VREFN = −10 V3,
TA = 0°C to 105°C
VREFP = 10 V, VREFN = 0 V3, TA = 0°C to 105°C
VREFP = 5 V, VREFN = 0 V3, TA = 0°C to 105°C
VREFP = +10 V, VREFN = −10 V3
VREFP = +10 V, VREFN = 0 V3
VREFP = +5 V, VREFN = 0 V3
V
V/µs
µs
µs
nV/√Hz
nV/√Hz
nV/√Hz
µV p-p
Unbuffered output, 10 MΩ||20 pF load
10 V step to 0.02%, using AD845
buffer in unity-gain mode
125 code step to ±1 LSB6
at 1 kHz, DAC code = midscale
at 10 kHz, DAC code = midscale
at 100 kHz, DAC code = midscale
DAC code = midscale, 0.1 Hz to
10 Hz bandwidth7
Rev. E | Page 3 of 27
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