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型号： EVAL-AD5781SDZ
厂商： Analog Devices Inc
文件页数： 22/28页
文件大小： 0K
描述： BOARD EVAL FOR AD5781
标准包装： 1
DAC 的数量： 1
位数： 18
数据接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
设置时间： 1µs
DAC 型： 电压
工作温度： -40°C ~ 125°C
已供物品： 板，CD
已用 IC / 零件： AD5781
Data Sheet
AD5781
Rev. D | 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 3.
A, B Version1
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
STATIC PERFORMANCE2
Resolution
18
Bits
Integral Nonlinearity Error (Relative
Accuracy)
0.5
±0.25
+0.5
LSB
B version, VREFP = +10 V, VREFN = 10 V
0.5
±0.25
+0.5
LSB
B version, VREFP = +10 V, VREFN = 0 V3
1
±0.5
+1
LSB
B version, VREFP = +5 V, VREFN = 0 V3
4
±2
+4
LSB
A version4
Differential Nonlinearity Error
0.5
±0.25
+0.5
LSB
VREFP = +10 V, VREFN = 10 V
0.5
±0.25
+0.5
LSB
VREFP = +10 V, VREFN = 0 V3
1
±0.5
+1
LSB
VREFP = +5 V, VREFN = 0 V3
Linearity Error Long-Term Stability5
0.04
LSB
After 500 hours at TA = 125°C
0.05
LSB
After 1000 hours at TA = 125°C
0.03
LSB
After 1000 hours t TA = 100°C
Full-Scale Error
1.75
±0.25
+1.75
LSB
VREFP = +10 V, VREFN = 10 V3
2.75
±0.062
+2.75
LSB
VREFP = +10 V, VREFN = 0 V3
5.25
±0.2
+5.25
LSB
VREFP = +5 V, VREFN = 0 V3
1
±0.25
+1
LSB
VREFP = +10 V, VREFN = 10 V3,
TA = 0°C to 105°C
1
±0.062
+1
LSB
VREFP = 10 V, VREFN = 0 V3, TA = 0°C to 105°C
1.5
±0.2
+1.5
LSB
VREFP = 5 V, VREFN = 0 V3, TA = 0°C to 105°C
Full-Scale Error Temperature Coefficient3
±0.02
ppm FSR/°C
Zero-Scale Error
1.75
±0.025
+1.75
LSB
VREFP = +10 V, VREFN = 10 V3
2.5
±0.38
+2.5
LSB
VREFP = +10 V, VREFN = 0 V3
5.25
±0.19
+5.25
LSB
VREFP = +5 V, VREFN = 0 V3
1
±0.025
+1
LSB
VREFP = +10 V, VREFN = 10 V3,
TA = 0°C to 105°C
1
±0.38
+1
LSB
VREFP = 10 V, VREFN = 0 V3, TA = 0°C to 105°C
1.5
±0.19
+1.5
LSB
VREFP = 5 V, VREFN = 0 V3, TA = 0°C to 105°C
Zero-Scale Error Temperature Coefficient3
±0.04
ppm FSR/°C
Gain Error
6
±0.3
+6
ppm FSR
VREFP = +10 V, VREFN = 10 V3
10
±0.4
+10
ppm FSR
VREFP = +10 V, VREFN = 0 V3
20
±0.4
+20
ppm FSR
VREFP = +5 V, VREFN = 0 V3
Gain Error Temperature Coefficient3
±0.04
ppm FSR/°C
R1, RFB Matching
0.01
%
OUTPUT CHARACTERISTICS3
Output Voltage Range
VREFN
VREFP
V
Output Slew Rate
50
V/s
Unbuffered output, 10 M||20 pF load
Output Voltage Settling Time
1
s
10 V step to 0.02%, using AD845
buffer in unity-gain mode
1
s
125 code step to ±1 LSB6
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
V p-p
DAC code = midscale, 0.1 Hz to
10 Hz bandwidth7
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