Datasheet

Data Sheet AD5686/AD5684
Rev. A | Page 5 of 28
AC CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V; V
REF
= 2.5 V; 1.8 V ≤ V
LOGIC
≤ 5.5 V; R
L
= 2 kΩ to GND; C
L
= 200 pF to GND; all specifications T
MIN
to T
MAX
, unless
otherwise noted.
1
Table 3.
Parameter
2
Min Typ Max Unit Test Conditions/Comments
3
Output Voltage Settling Time
AD5686 5 8 µs ¼ to ¾ scale settling to ±2 LSB
AD5684 5 7 µs ¼ to ¾ scale settling to ±2 LSB
Slew Rate 0.8 V/µs
Digital-to-Analog Glitch Impulse 0.5 nV-sec 1 LSB change around major carry
Digital Feedthrough 0.13 nV-sec
Multiplying Bandwidth 500 kHz
Digital Crosstalk 0.1 nV-sec
Analog Crosstalk 0.2 nV-sec
DAC-to-DAC Crosstalk 0.3 nV-sec
Total Harmonic Distortion
4
−80
dB
At ambient, BW = 20 kHz, V
DD
= 5 V, f
OUT
= 1 kHz
Output Noise Spectral Density 100 nV/√Hz DAC code = midscale, 10 kHz; gain = 2
Output Noise 6 µV p-p 0.1 Hz to 10 Hz
SNR 90 dB At ambient, BW = 20 kHz, V
DD
= 5 V, f
OUT
= 1 kHz
SFDR 83 dB At ambient, BW = 20 kHz, V
DD
= 5 V, f
OUT
= 1 kHz
SINAD 80 dB At ambient, BW = 20 kHz, V
DD
= 5 V, f
OUT
= 1 kHz
1
Guaranteed by design and characterization; not production tested.
2
See the Terminology section.
3
Temperature range is −40°C to +105°C, typical @ 25°C.
4
Digitally generated sine wave @ 1 kHz.