Data Sheet
AD5390/AD5391/AD5392
Rev. E | Page 5 of 44
SPECIFICATIONS
AD5390-5/AD5391-5/AD5392-5 SPECIFICATIONS
AVDD = 4.5 V to 5.5 V; DVDD = 2.7 V to 5.5 V; AGND = DGND = 0 V; REFIN = 2.5 V external. All specifications TMIN to TMAX,
unless otherwise noted.
Table 2.
Parameter
Unit
Test Conditions/Comments
ACCURACY
Resolution
14
12
Bits
Relative Accuracy
±3
±1
LSB max
Differential Nonlinearity
1/+2
±1
LSB max
Guaranteed monotonic over temperature
Zero-Scale Error
4
mV max
Offset Error
±4
mV max
Measured at Code 32 in the linear region
(AD5390-5/AD5392-5); measured at Code 8 in
the linear region (AD5391-5)
Offset Error TC
±5
V/°C typ
Gain Error
±0.05
% FSR max
At 25°C TMIN to TMAX
±0.06
% FSR max
Gain Temperature Coefficient
22
ppm FSR/°C typ
1
LSB max
REFERENCE INPUT/OUTPUT
Reference Input Voltage
2.5
V
±1% for specified performance,
AVDD = 2 × REFIN + 50 mV
DC Input Impedance
1
MΩ min
Typically 100 MΩ
Input Current
±1
A max
Typically ±30 nA
Reference Range
1 V to AVDD/2 1 V to AVDD/2
V min/max
Enabled via internal/external bit in control
register; REF select bit in control register
selects the reference voltage
Output Voltage
2.495/2.505
V min/max
At ambient, optimized for 2.5 V operation
1.22/1.28
V min/max
At ambient when 1.25 V reference is selected
Reference TC
±10
ppm max
Temperature range: 25°C to 85°C
±15
ppm max
Temperature range: 40°C to +85°C
Output Impedance
800
Ω typ
0/AVDD
V min/max
Short-Circuit Current
40
mA max
Load Current
±1
mA max
Capacitive Load Stability
RL = ∞
200
pF max
RL = 5 kΩ
1000
pF max
DC Output Impedance
0.6
Ω max
MONITOR OUTPUT PIN
Output Impedance
1000
Ω typ
Three-State Leakage Current
100
nA typ
DVDD = 2.7 V to 5.5 V
VIH, Input High Voltage
2
V min
VIL, Input Low Voltage
DVDD > 3.6 V
0.8
V max
DVDD ≤ 3.6 V
0.6
V max
Input Current
±10
A max
Total for all pins, TA = TMIN to TMAX
Pin Capacitance
10
pF max