VDD = 12.5 V to 16.5 V, V" />
參數(shù)資料
型號： EVAL-AD5780SDZ
廠商： Analog Devices Inc
文件頁數(shù)： 22/28頁
文件大?。?/td> 0K
描述： BOARD EVALUATION FOR AD5780
設(shè)計資源： CN-0200 Circuit
標(biāo)準(zhǔn)包裝： 1
DAC 的數(shù)量： 1
位數(shù)： 18
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，和 SPI?
設(shè)置時間： 2.5µs
DAC 型： 電壓
工作溫度： -40°C ~ 125°C
已供物品： 板，纜線，CD
已用 IC / 零件： AD5780
相關(guān)產(chǎn)品： AD5780ACPZ-ND - IC DAC VOLT OUT 18BIT 24LFCSP
Data Sheet
AD5780
Rev. E | 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.
A Version, B Version1
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
STATIC PERFORMANCE2
Resolution
18
Bits
Integral Nonlinearity Error (Relative
Accuracy)
0.85
+0.85
LSB
B grade, VREFP = +10 V, VREFN = 10 V,
TA = 25°C
1
+1
LSB
B grade, VREFx = ±10 V, +10 V, and +5 V
2
+2
LSB
A grade, VREFx = ±10 V, +10 V, and +5 V
Differential Nonlinearity Error
0.25
+0.75
LSB
B grade, VREFx = ±10 V, +10 V, and +5 V
1
+1
LSB
A grade, VREFx = ±10 V, +10 V, and +5 V
Long-Term Linearity Error Stability3
0.025
LSB
After 750 hours at TA = 135°C
Full-Scale Error
3
±0.95
+3
LSB
VREFP = +10 V, VREFN = 10 V
5.5
±0.675
+0.5
LSB
VREFP = 10 V, VREFN = 0 V
10
±0.45
+10
LSB
VREFP = 5 V, VREFN = 0 V
Full-Scale Error Temperature
Coefficient
±0.026
ppm/°C
VREFP = +10 V, VREFN = 10 V
Zero-Scale Error
4.8
±0.325
+4.8
LSB
VREFP = +10 V, VREFN = 10 V
10
±0.175
+10
LSB
VREFP = 10 V, VREFN = 0 V
20.5
±0.225
+20.5
LSB
VREFP = 5 V, VREFN = 0 V
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
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
s
10 V step to 0.02%, using the ADA4898-1
buffer in unity-gain mode
3.5
s
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
V 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 42
3.5
nV-sec
VREFP = 10 V, VREFN = 0 V, see Figure 43
4
nV-sec
VREFP = 5 V, VREFN = 0 V, see Figure 44
Output Enabled Glitch Impulse
57
nV-sec
On removal of output ground clamp
Digital Feedthrough
0.27
nV-sec
DC Output Impedance (Normal Mode)
3.4
k
DC Output Impedance (Output
Clamped to Ground)
6
k
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