AD5381 データシートの表示（PDF） - Analog Devices
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AD5381 Datasheet PDF : 40 Pages
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Data Sheet
AD5381
SPECIFICATIONS
AD5381-5 SPECIFICATIONS
AVDD = 4.5 V to 5.5 V; DVDD = 2.7 V to 5.5 V, AGND = DGND = 0 V; external REFIN = 2.5 V; all specifications TMIN to TMAX,
unless otherwise noted.
Table 1.
Parameter
ACCURACY
Resolution
Relative Accuracy2 (INL)
Differential Nonlinearity (DNL)
Zero-Scale Error
Offset Error
Offset Error TC
Gain Error
Gain Temperature Coefficient3
DC Crosstalk3
REFERENCE INPUT/OUTPUT
Reference Input3
Reference Input Voltage
DC Input Impedance
Input Current
Reference Range
Reference Output4
Output Voltage
Reference TC
Output Impedance
OUTPUT CHARACTERISTICS3
Output Voltage Range2
Short-Circuit Current
Load Current
Capacitive Load Stability
RL = ∞
RL = 5 kΩ
DC Output Impedance
MONITOR PIN
Output Impedance
Three-State Leakage Current
LOGIC INPUTS (EXCEPT SDA/SCL)3
VIH, Input High Voltage
VIL, Input Low Voltage
DVDD > 3.6 V
DVDD ≤ 3.6 V
Input Current
Pin Capacitance
AD5381-51 Unit
12
±1
±1
4
±4
±5
±0.05
±0.06
2
1
Bits
LSB max
LSB max
mV max
mV max
μV/°C typ
% FSR max
% FSR max
ppm FSR/°C typ
LSB max
Test Conditions/Comments
Output unloaded
Guaranteed monotonic over temperature
Measured at Code 8 in the linear region
At 25°C
TMIN to TMAX
2.5
V
1
±1
1 to AVDD/2
MΩ min
μA max
V min/max
2.495/2.505
1.22/1.28
±10
±15
800
V min/max
V min/max
ppm/°C max
ppm/°C max
Ω typ
0/AVDD
40
±1
V min/max
mA max
mA max
200
1000
0.6
pF max
pF max
Ω max
1
kΩ typ
100
nA typ
2
V min
0.8
V max
0.6
V max
±10
μA max
10
pF max
±1% for specified performance, AVDD = 2 × REFIN
+ 50 mV
Typically 100 MΩ
Typically ±30 nA
Enabled via CR8 in the AD5381 control register,
CR10 selects the reference voltage
At ambient, optimized for 2.5 V operation. CR10 = 1
CR10 = 0
Temperature Range: +25°C to +85°C
Temperature Range: −40°C to +85°C
DVDD = 2.7 V to 5.5 V
Total for all pins; TA = TMIN to TMAX
Rev. E | Page 5 of 40
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