Datasheet

AD5749 Data Sheet
Rev. B | Page 4 of 28
Parameter
1
Min Typ Max Unit Test Conditions/Comments
OUTPUT CHARACTERISTICS
2
Current Loop Compliance
Voltage
0 AV
DD
− 2.75 V
Resistive Load Chosen such that compliance is not exceeded
Inductive Load See the Test Conditions/
Comments column
H Needs appropriate capacitor at higher inductance
values; see the
Driving Inductive Loads section
Settling Time
4 mA to 20 mA, Full-Scale
Step
8.5 µs 250 Ω load
120 µA Step, 4 mA to
20 mA Range
1.2 µs 250 Ω load
DC PSRR 1 µA/V
Output Impedance 130 MΩ
DIGITAL INPUTS
2
JEDEC compliant
Input High Voltage, V
IH
2 V
Input Low Voltage, V
IL
0.8 V
Input Current −1 +1 µA Per pin
Pin Capacitance 5 pF Per pin
DIGITAL OUTPUTS
2
FAULT, IFAULT, TEMP, VFAULT
V
OL
, Output Low Voltage 0.4 V 10 kΩ pull-up resistor to DVCC
0.6 V At 2.5 mA
V
OH
, Output High Voltage 3.6 V 10 kΩ pull-up resistor to DVCC
SDO
V
OL
, Output Low Voltage 0.5 0.5 V Sinking 200 µA
V
OH
, Output High Voltage DV
CC
− 0.5 DV
CC
− 0.5 V Sourcing 200 µA
High Impedance Output
Capacitance
3 pF
High Impedance Leakage
Current
−1 +1 µA
POWER REQUIREMENTS
AV
DD
10.8 55 V
DV
CC
Input Voltage 2.7 5.5 V
AI
DD
4.4 5.6 mA Output unloaded, output disabled;
R3, R2, R1, R0 = 0000, RSET = 0
5.2 6.2 mA Output enabled
DI
CC
0.3 1 mA V
IH
= DV
CC
, V
IL
= GND
Power Dissipation 108 mW AV
DD
= 24 V, output unloaded
1
Temperature range: −40°C to +105°C; typical at +25°C.
2
Guaranteed by design and characterization, not production tested.