Datasheet

Data Sheet AD5390/AD5391/AD5392
Rev. E | Page 7 of 44
AD5390-5/AD5391-5/AD5392-5 AC CHARACTERISTICS
AV
DD
= 4.5 V to 5.5 V; DV
DD
= 2.7 V to 5.5 V; AGND = DGND = 0 V.
Table 3.
Parameter All
1
Unit Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time ¼ scale to ¾ scale change settling to ±1 LSB
AD5390/AD5392 3 µs typ Boost mode off, CR11 = 0
8 µs max Boost mode off, CR11 = 0
AD5391 3 µs typ Boost mode off, CR11 = 0
8 µs max Boost mode off, CR11 = 0
Slew rate
2
2.5 V/µs typ Boost mode on
1.5 V/µs typ Boost mode off
Digital-to-Analog Glitch Energy
12
nV-s typ
Glitch Impulse Peak Amplitude 15 mV typ
Channel-to-Channel Isolation 100 dB typ See the Terminology section
DAC-to-DAC Crosstalk 1 nV-s typ See the Terminology section
Digital Crosstalk 0.8 nV-s typ
Digital Feedthrough 0.1 nV-s typ Effect of input bus activity on DAC output under test
Output Noise (0.1 Hz to 10 Hz) 15 µV p-p typ External reference midscale loaded to DAC
40 µV p-p typ Internal reference midscale loaded to DAC
Output Noise Spectral Density
@ 1 kHz 150 nV/(Hz)
1/2
typ
@ 10 kHz 100 nV/(Hz)
1/2
typ
1
Guaranteed by characterization, not production tested.
2
The slew rate can be adjusted via the current boost control bit in the DAC control register.