參數資料
型號: AD5744R
廠商: Analog Devices, Inc.
英文描述: Complete Quad, 14-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC
中文描述: 完整的四,14位,高精度,串行輸入,雙極性電壓輸出DAC
文件頁數: 4/32頁
文件大?。?/td> 489K
代理商: AD5744R
AD5744R
Preliminary Technical Data
SPECIFICATIONS
AV
DD
= 11.4 V to 16.5 V, AV
SS
= 11.4 V to 16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external;
DV
CC
= 2.7 V to 5.25 V, R
LOAD
= 10 kΩ, C
L
= 200 pF. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
Parameter
B Grade
1
C Grade
1
ACCURACY
Resolution
14
14
Relative Accuracy (INL)
±2
±1
Differential Nonlinearity
±1
±1
Bipolar Zero Error
±2
±2
Rev. PrA | Page 4 of 32
Unit
Bits
LSB max
LSB max
mV max
Test Conditions/Comments
Outputs unloaded
Guaranteed monotonic
At 25°C; error at other
temperatures obtained using
bipolar zero TC
At 25°C; error at other
temperatures obtained using
zero scale TC
At 25°C; error at other
temperatures obtained using
gain TC
±1% for specified performance
Typically 100 MΩ
Typically ±30 nA
At 25°C
Bipolar Zero TC
2
Zero-Scale Error
±2
±2
±2
±2
ppm FSR/°C max
mV max
Zero-Scale TC
2
Gain Error
±2
±0.02
±2
±0.02
ppm FSR/°C max
% FSR max
Gain TC
2
DC Crosstalk
2
REFERENCE INPUT/OUTPUT
Reference Input
2
Reference Input Voltage
DC Input Impedance
Input Current
Reference Range
Reference Output
Output Voltage
Reference TC
Load
2
Output Noise
2
(0.1 Hz to 10 Hz)
Noise Spectral Density
2
OUTPUT CHARACTERISTICS
2
Output Voltage Range
3
Output Voltage Drift vs. Time
±2
0.125
5
1
±10
1/7
4.997/5.003 4.997/5.003
±10
1
18
±2
0.125
5
1
±10
1/7
ppm FSR/°C max
LSB max
V nominal
MΩ min
μA max
V min/V max
V min/V max
ppm/°C max
M
Ω
min
μV p-p typ
±10
1
18
75
±10.5263
±14
±13
75
±10.5263
±14
±13
nV/√Hz typ
V min/V max
V min/V max
ppm FSR/500 hours
typ
ppm FSR/1000 hours
typ
mA typ
mA max
pF max
pF max
Ω max
At 10 kHz
AV
DD
/AV
SS
= ±11.4 V, REFIN = 5V
AV
DD
/AV
SS
= ±16.5 V, REFIN = 7V
±15
±15
Short Circuit Current
Load Current
Capacitive Load Stability
R
L
= ∞
R
L
= 10 kΩ
DC Output Impedance
10
±1
200
1000
0.3
10
±1
200
1000
0.3
RI
SCC
= 6 kΩ, see Figure 31
For specified performance
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