Datasheet

AD5757 Data Sheet
Rev. D | Page 6 of 44
Parameter
1
Min Typ Max Unit Test Conditions/Comments
Reference Output
Output Voltage 4.995 5 5.005 V T
A
= 25°C
Reference TC
2
−10 ±5 +10 ppm/°C
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 42
Short-Circuit Current 10 mA
Line Regulation
2
3 ppm/V See Figure 43
Load Regulation
2
95 ppm/mA See Figure 42
Thermal Hysteresis
2
160 ppm First temperature cycle
5 ppm Second temperature cycle
DC-TO-DC
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 give 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
V
IH
, Input High Voltage 2 V
V
IL
, Input Low Voltage 0.8 V
Input Current −1 +1 µA Per pin
Pin Capacitance 2.6 pF Per pin
DIGITAL OUTPUTS
2
SDO, ALERT
V
OL
, Output Low Voltage
0.4
V
Sinking 200 µA
V
OH
, Output High Voltage
DVDD − 0.5
V
Sourcing 200 µA
High Impedance Leakage Current −1 +1 µA
High Impedance Output
Capacitance
2.5 pF
FAULT
V
OL
, Output Low Voltage 0.4 V 10 kΩ pull-up resistor to DV
DD
V
OL
, Output Low Voltage 0.6 V At 2.5 mA
V
OH
, Output High Voltage 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 Over supplies
I
BOOST
5
1 mA Per channel, current output mode, 0 mA output
Power Dissipation 155 mW
AV
DD
= 15 V, DV
CC
= 5 V, dc-to-dc converter enable,
current output mode, 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
loaded with the same code.
4
See the Current Output Mode with Internal R
SET
section for more explanation of the dc crosstalk.
5
Efficiency plots in Figure 33, Figure 34, Figure 35, and Figure 36 include the I
BOOST
quiescent current.