Datasheet

AD5424/AD5433/AD5445 Data Sheet
Rev. D | Page 4 of 28
Parameter Min Typ Max Unit Test Conditions
Output Capacitance
I
OUT
1 12 17 pF All 0s loaded
25 30 pF All 1s loaded
I
OUT
2 22 25 pF All 0s loaded
10
12
pF
All 1s loaded
Digital Feedthrough 1 nV-s Feedthrough to DAC output with
CS
high and
alternate loading of all 0s and all 1s
Analog THD 81 dB V
REF
= 3.5 V p-p, all 1s loaded, f = 100 kHz
Digital THD Clock = 10 MHz, V
REF
= 3.5 V
50 kHz f
OUT
65 dB
Output Noise Spectral Density
2
25 nV√Hz @ 1 kHz
SFDR Performance (Wide Band) AD5445, V
REF
= 3.5 V
Clock = 10 MHz
500 kHz f
OUT
55 dB
100 kHz f
OUT
63 dB
50 kHz f
OUT
65 dB
Clock = 25 MHz
500 kHz f
OUT
50 dB
100 kHz f
OUT
60 dB
50 kHz f
OUT
62 dB
SFDR Performance (Narrow Band) AD5445, V
REF
= 3.5 V
Clock = 10 MHz
500 kHz f
OUT
73 dB
100 kHz f
OUT
80 dB
50 kHz f
OUT
82 dB
Clock = 25 MHz
500 kHz f
OUT
70 dB
100 kHz f
OUT
75 dB
50 kHz f
OUT
80 dB
Intermodulation Distortion AD5445, V
REF
= 3.5 V
Clock = 10 MHz
f
1
= 400 kHz, f
2
= 500 kHz 65 dB
f
1
= 40 kHz, f
2
= 50 kHz 72 dB
Clock = 25 MHz
f
1
= 400 kHz, f
2
= 500 kHz 51 dB
f
1
= 40 kHz, f
2
= 50 kHz 65 dB
POWER REQUIREMENTS
Power Supply Range 2.5 5.5 V
I
DD
0.6 µA T
A
= 25°C, logic inputs = 0 V or V
DD
0.4 5 µA Logic inputs = 0 V or V
DD
, T= −40°C to +125°C
Power Supply Sensitivity 0.001 %/% ΔV
DD
= ±5%
1
Guaranteed by design, not subject to production test.
2
Specification measured with OP27.