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AD5781 Datasheet(PDF) 3 Page - Analog Devices

Part # AD5781
Description  System Ready, 20-Bit, 짹2LSB INL
Download  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5781 Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
AD5790
Rev. B | Page 3 of 28
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 2.
B Version1
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
STATIC PERFORMANCE2
Resolution
20
Bits
Integral Nonlinearity Error (Relative
Accuracy)
−2
±1.2
+2
LSB
VREFP = +10 V, VREFN = −10 V, TA = 0°C to 105°C
−3
±1.2
+3
LSB
VREFP = +10 V, VREFN = −10 V, TA =−40°C to +105°C
−4
±1.2
+4
LSB
VREFx = ±10 V, +10 V, and +5 V
Differential Nonlinearity Error
−1
+2
LSB
VREFP = +10 V, VREFN = −10 V, TA = 0°C to 105°C
−1
+3
LSB
VREFx = ±10 V, +10 V, and +5 V
Long-Term Linearity Error Stability3
0.1
LSB
After 750 hours at TA = 135°C
Full-Scale Error
−12
±3.8
+12
LSB
VREFP = +10 V, VREFN = −10 V
−22
±2.7
+22
LSB
VREFP = 10 V, VREFN = 0 V
−40
±1.8
+40
LSB
VREFP = 5 V, VREFN = 0 V
−9
±3.8
+9
LSB
VREFP = +10 V, VREFN = −10 V, TA = 0°C to 105°C
−12
±2.7
+12
LSB
VREFP = 10 V, VREFN = 0 V, TA = 0°C to 105°C
−22
±1.8
+22
LSB
VREFP = 5 V, VREFN = 0 V, TA = 0°C to 105°C
Full-Scale Error Temperature Coefficient
±0.026
ppm/°C
VREFP = +10 V, VREFN = −10 V
Zero-Scale Error
−19
±1.3
+19
LSB
VREFP = +10 V, VREFN = −10 V
−40
±0.7
+40
LSB
VREFP = 10 V, VREFN = 0 V
−82
±0.9
+82
LSB
VREFP = 5 V, VREFN = 0 V
−8
±1.3
+8
LSB
VREFP = +10 V, VREFN = −10 V, TA = 0°C to 105°C
−13
±0.7
+13
LSB
VREFP = 10 V, VREFN = 0 V, TA = 0°C to 105°C
−22
±0.9
+22
LSB
VREFP = 5 V, VREFN = 0 V, TA = 0°C to 105°C
Zero-Scale Error Temperature Coefficient
±0.025
ppm/°C
VREFP = +10 V, VREFN = −10 V
Gain Error
−19
±2.3
+19
ppm FSR
VREFP = +10 V, VREFN = −10 V
−35
±1.9
+35
ppm FSR
VREFP = 10 V, VREFN = 0 V
−68
±0.9
+68
ppm FSR
VREFP = 5 V, VREFN = 0 V
−9
±2.3
+9
ppm FSR
VREFP = +10 V, VREFN = −10 V, TA = 0°C to 105°C
−15
±2.9
+15
ppm FSR
VREFP = 10 V, VREFN = 0 V, TA = 0°C to 105°C
−22
±0.9
+22
ppm FSR
VREFP = 5 V, VREFN = 0 V, TA = 0°C to 105°C
Gain Error Temperature Coefficient
±0.018
ppm/°C
VREFP = +10 V, VREFN = −10 V
R1, RFB Matching
0.015
%
OUTPUT CHARACTERISTICS
Output Voltage Range
VREFN
VREFP
V
Output Voltage Settling Time
2.5
μs
10 V step to 0.02%, using the ADA4898-1 buffer
in unity-gain mode
3.5
μs
500 code step to ±1 LSB4
Output Noise Spectral Density
8
nV/√Hz
At 1 kHz, DAC code = midscale
8
nV/√Hz
At 10 kHz, DAC code = midscale
Output Voltage Noise
1.1
μV p-p
DAC code = midscale, 0.1 Hz to 10 Hz bandwidth
Midscale Glitch Impulse4
14
nV-sec
VREFP = +10 V, VREFN = −10 V
3.5
nV-sec
VREFP = 10 V, VREFN = 0 V
4
nV-sec
VREFP = 5 V, VREFN = 0 V
MSB Segment Glitch Impulse4
14
nV-sec
VREFP = +10 V, VREFN = −10 V, see
Figure 43
3.5
nV-sec
VREFP = 10 V, VREFN = 0 V, see
Figure 44
4
nV-sec
VREFP = 5 V, VREFN = 0 V, see
Figure 45


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