AD5382
AD5382-3 SPECIFICATIONS
Table 4. AVDD = 2.7 V to 3.6 V; DVDD = 2.7 V to 5.5 V, AGND = DGND = 0 V; external REFIN = 1.25 V;
all specifications TMIN to TMAX, unless otherwise noted
Parameter
AD5382-31
Unit
Test Conditions/Comments
ACCURACY
Resolution
14
4
–1/+2
4
Bits
Relative Accuracy2 (INL)
Differential Nonlinearity (DNL)
Zero-Scale Error
Offset Error
LSB max
LSB max
mV max
Guaranteed monotonic over temperature
Measured at Code 64 in the linear region
4
mV max
Offset Error TC
Gain Error
5
µV/°C typ
% FSR max
% FSR max
ppm FSR/°C typ
LSB max
0.024
0.06
2
At 25 °C
TMIN to TMAX
Gain Temperature Coefficient3
DC Crosstalk3
0.5
REFERENCE INPUT/OUTPUT
Reference Input3
Reference Input Voltage
DC Input Impedance
Input Current
1.25
1
10
V
1% for specified performance
Typically 100 MΩ
Typically 30 nA
MΩ min
µA max
V min/max
Reference Range
1 to AVDD/2
Enabled via CR10 in the AD5382 control register.
CR12 selects the reference voltage.
At ambient. CR12 = 0. Optimized for 1.25 V operation
2.5 V reference selected, CR12 = 1
Reference Output4
Output Voltage
1.247/1.253 V min/max
2.43/2.57
V min/max
Reference TC
10
15
ppm/°C max
ppm/°C max
Temperature Range : +25°C to +85°C
Temperature Range :–40°C to +85°C
OUTPUT CHARACTERISTICS3
Output Voltage Range2
Short-Circuit Current
Load Current
0/AVDD
40
1
V min/max
mA max
mA max
Capacitive Load Stability
RL = ∞
RL = 5 kΩ
200
1000
0.5
pF max
pF max
Ω max
DC Output Impedance
MONITOR PIN (MON OUT)
Output Impedance
Three-State Leakage Current
LOGIC INPUTS (EXCEPT SDA/SCL)3
VIH, Input High Voltage
VIL, Input Low Voltage
Input Current
500
100
Ω typ
nA typ
DVDD = 2.7 V to 3.6 V
2
V min
0.8
10
10
V max
µA max
pF max
Total for all pins. TA = TMIN to TMAX
Pin Capacitance
LOGIC INPUTS (SDA, SCL ONLY)
VIH, Input High Voltage
VIL, Input Low Voltage
IIN, Input Leakage Current
VHYST, Input Hysteresis
CIN, Input Capacitance
Glitch Rejection
0.7 DVDD
0.3 DVDD
1
0.05 DVDD
8
50
V min
SMBus compatible at DVDD < 3.6 V
SMBus compatible at DVDD < 3.6 V
V max
µAmax
V min
pF typ
ns max
Input filtering suppresses noise spikes of less than 50 ns
Rev. 0 | Page 6 of 40
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