Datasheet

AD5378
Rev. A | Page 4 of 28
SPECIFICATIONS
V
CC
= 2.7 V to 5.5 V; V
DD
= 11.4 V to 16.5 V; V
SS
= −11.4 V to −16.5 V; V
REF
(+) = +5 V; V
REF
(−) = −3.5 V; AGND = DGND = REFGND =
0 V; V
BIAS
= 5 V; C
L
= 200 pF to GND; R
L
= 11 kΩ to 3 V; gain = 1; offset = 0 V; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter A Version
1
Unit Test Conditions/Comments
ACCURACY
Resolution 14 Bits
Relative Accuracy ±3 LSB max −40°C to +85°C
±2.5 LSB max 0°C to 70°C
Differential Nonlinearity −1/+1.5 LSB max Guaranteed monotonic by design over temperature
Zero-Scale Error ±12 mV max −40°C to +85°C
±5 mV max 0°C to 70°C
Full-Scale Error ±12 mV max −40°C to +85°C
±8 mV max 0°C to 70°C
Gain Error ±8 mV max −40°C to +85°C
±1/±5 mV typ/max 0°C to 70°C
VOUT Temperature Coefficient 5 ppm FSR/°C typ Includes linearity, offset, and gain drift; see Figure 11
DC Crosstalk
2
0.5 mV max Typically 100 μV
REFERENCE INPUTS
2
V
REF
(+) DC Input Impedance 1 MΩ min Typically 100 MΩ
V
REF
(−) DC Input Impedance 8 kΩ min Typically 12 kΩ
V
REF
(+) Input Current ±10 μA max Per input; typically ±30 nA
V
REF
(+) Range 1.5/5 V min/max ±2% for specified operation
V
REF
(−) Range −3.5/0 V min/max ±2% for specified operation
REFGND INPUTS
2
DC Input Impedance 80 kΩ min Typically 120 kΩ
Input Range ±0.5 V min/max
OUTPUT CHARACTERISTICS
2
Output Voltage Range V
SS
+ 2/V
SS
+ 2.5 V min I
LOAD
= ±0.5 mA/±1.5 mA
V
DD
− 2/V
DD
− 2.5 V max I
LOAD
= ±0.5 mA/±1.5 mA
Short-Circuit Current 15 mA max
Load Current ±1.5 mA max
Capacitive Load 2200 pF max
DC Output Impedance 1 Ω max
DIGITAL INPUTS JEDEC-compliant
Input High Voltage 1.7 V min V
CC
= 2.7 V to 3.6 V
2.0 V min V
CC
= 3.6 V to 5.5 V
Input Low Voltage 0.8 V max V
CC
= 2.7 V to 5.5 V
Input Current (with pull-up/pull-down) ±8 μA max
SER/PAR
, FIFOEN, and RESET pins only
Input Current (no pull-up/pull-down) ±1 μA max All other digital input pins
Input Capacitance
2
10 pF max
DIGITAL OUTPUTS (BUSY, SDO)
Output Low Voltage 0.5 V max Sinking 200 μA
Output High Voltage (SDO) V
CC
− 0.5 V min Sourcing 200 μA
High Impedance Leakage Current −70 μA max SDO only
High Impedance Output Capacitance
2
10 pF typ