
AD5380
Data Sheet
Rev. C | Page 4 of 40
SPECIFICATIONS
AD5380-5 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
14
Bits
Relative Accuracy (I
NL) 2±4
LSB max
±1 LSB typical
Differential Nonlinearity (DNL)
–1/+2
LSB max
Guaranteed monotonic by design over temperature.
Zero-Scale Error
4
mV max
Offset Error
±4
mV max
Measured at code 32 in the linear region.
Offset Error TC
±5
V/°C typ
Gain Error
±0.05
% FSR max
At 25°C
±0.06
% FSR max
T
MIN to TMAX
Gain Temperature Coefficie
nt32
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
±1
A max
Typically ±30 nA
Reference Range
1 to V
DD/2
V min/max
Enabled via CR10 in the AD5380 control register.
CR12 selects the reference voltage.
Output Voltage
2.495/2.505
V min/max
At ambient,. CR12 = 1, optimized for 2.5 V operation.
1.22/1.28
V min/max
CR12 = 0
±10
ppm max
Temperature range: +25°C to +85°C
±15
ppm max
Temperature range: 40°C to +85°C
Output Impedance
800
typ
0/AVDD
V min/max
Short-Circuit Current
40
mA max
Load Current
±1
mA max
Capacitive Load Stability
R
L = ∞
200
pF max
R
L = 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
V
IH, Input High Voltage
2
V min
V
IL, 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; T
A = TMIN to TMAX
Pin Capacitance
10
pF max