AD5383
Data Sheet
Rev. C | Page 4 of 40
SPECIFICATIONS
AD5383-5 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 2.
Parameter
Unit
Test Conditions/Comments
ACCURACY
Resolution
12
Bits
±1
LSB max
Differential Nonlinearity (DNL)
±1
LSB max
Guaranteed monotonic over temperature
Zero-Scale Error
±4
mV max
Offset Error
±4
mV max
Measured at Code 8 in the linear region
Offset Error TC
±5
V/°C typ
Gain Error
±0.05
% FSR max
At 25°C
±0.06
% FSR max
TMIN to TMAX
Gain Temperature Coeffici
ent32
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
M min
Typically 100 M
Input Current
±10
A max
Typically ±30 nA
Reference Range
1 to VDD/2
V min/max
Enabled via CR8 in the AD5383 control register,
CR10 selects the reference voltage
2.495/2.505
V min/max
At ambient; optimized for 2.5 V operation; CR10 = 1
1.22/1.28
V min/max
1.25 V reference selected; CR10 = 0
Reference TC
±10
ppm/C
Temperature range: 25°C to 85°C
±15
ppm/C
Temperature range: 40°C to +85°C
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 k
1000
pF max
DC Output Impedance
0.6
max
MONITOR PIN
Output Impedance
1
k typ
Three-State Leakage Current
100
nA typ
LOGIC INPUTS (EXCEPT SDA/SC
L)3DVDD = 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