Datasheet

AD5390/AD5391/AD5392 Data Sheet
Rev. E | Page 10 of 44
AD5390-3/AD5391-3/AD5392-3 AC CHARACTERISTICS
AV
DD
= 2.7 V to 3.6 V; DV
DD
= 2.7 V to 5.5 V; AGND = DGND = 0 V; C
L
= 200 pF to AGND.
Table 5.
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 on, CR11 = 1
Slew Rate
2
2.5 V/µs typ Boost mode on
1.5 V/µs typ Boost mode off, CR11 = 0
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 design and characterization, not production tested.
2
The slew rate can be programmed via the current boost control bit in the AD539x control registers.