Datasheet

AD5737 Data Sheet
Rev. C | Page 6 of 44
Parameter
1
Min Typ Max Unit Test Conditions/Comments
Output Noise (0.1 Hz to 10 Hz)
2
7 µV p-p
Noise Spectral Density
2
100 nV/√Hz At 10 kHz
Output Voltage Drift vs. Time
2
180 ppm Drift after 1000 hours, T
J
= 150°C
Capacitive Load
2
1000 nF
Load Current
9
mA
See Figure 41
Short-Circuit Current 10 mA
Line Regulation
2
3 ppm/V See Figure 42
Load Regulation
2
95 ppm/mA See Figure 41
Thermal Hysteresis
2
160 ppm First temperature cycle
5 ppm Second temperature cycle
DC-TO-DC CONVERTER
Switch
Switch On Resistance 0.425 Ω
Switch Leakage Current
10
nA
Peak Current Limit 0.8 A
Oscillator
Oscillator Frequency 11.5 13 14.5 MHz This oscillator is divided down to provide the
dc-to-dc converter switching frequency
Maximum Duty Cycle 89.6 % At 410 kHz dc-to-dc switching frequency
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 2.6 pF Per pin
DIGITAL OUTPUTS
2
SDO, ALERT Pins
Output Low Voltage, V
OL
0.4 V Sinking 200 µA
Output High Voltage, V
OH
DV
DD
− 0.5 V Sourcing 200 µA
High Impedance Leakage
Current
−1 +1 µA
High Impedance Output
Capacitance
2.5 pF
FAULT
Pin
Output Low Voltage, V
OL
0.4 V 10 kΩ pull-up resistor to DV
DD
0.6 V At 2.5 mA
Output High Voltage, V
OH
3.6
V
10 kΩ pull-up resistor to DV
DD
POWER REQUIREMENTS
AV
DD
9 33 V
DV
DD
2.7 5.5 V
AV
CC
4.5 5.5 V
AI
DD
7 7.5 mA
DI
CC
9.2 11 mA V
IH
= DV
DD
, V
IL
= DGND, internal oscillator
running, over supplies
AI
CC
1 mA Outputs unloaded, over supplies
I
BOOST
5
1 mA Per channel, 0 mA output
Power Dissipation 155 mW AV
DD
= 15 V, DV
DD
= 5 V, dc-to-dc converter
enabled, outputs disabled
1
Temperature range: −40°C to +105°C; typical at +25°C.
2
Guaranteed by design and characterization; not production tested.
3
For current outputs with internal R
SET
, the offset, full-scale, and TUE measurements exclude dc crosstalk. The measurements are made with all four channels enabled
and loaded with the same code.
4
See the Current Output Mode with Internal R
SET
section for more information about dc crosstalk.
5
Efficiency plots in Figure 32 through Figure 35 include the I
BOOST
quiescent current.