Datasheet

Data Sheet AD5547/AD5557
Rev. D | Page 11 of 20
3.0
2.5
10k 100k 1M 10M 100M
2.0
1.5
1.0
0.5
0
SUPPLY CURRENT (mA)
CLOCK FREQUENCY (Hz)
0x5555
0x8000
04452-024
0xFFFF
0x0000
Figure 12. AD5547 Supply Current vs. Clock Frequency
04452-014
90
70
10 100 1k 10k 100k 1M
50
40
60
80
30
10
20
0
PSRR (–dB)
FREQUENCY (Hz)
V
DD
= 5V ± 10%
V
REF
= 10V
Figure 13. Power Supply Rejection Ratio (PSRR) vs. Frequency
–160
–140
–120
–100
–80
–60
–40
–20
0
20
0 5 10 15 20 25
FREQUENCY (kHz)
POWER SPECTRUM (dB)
04452-114
Figure 14. AD5547/AD5557 Analog Total Harmonic Distortion (THD)
04452-025
LDAC
V
OUT
1
2
CH1 5.00V CH2 2.00V M 200ns A CH1 2.70V
B CH1 –6.20V
400.00ns
Figure 15. Settling Time from Full Scale to Zero Scale
–3.85
–3.90
–3.95
–4.00
–4.05
–4.10
–4.15
–4.20
–20 –10 0 10 20 30 40
V
OUT
(V)
TIME (ns)
04452-0016
Figure 16. AD5547 Midscale Transition and Digital Feedthrough
2
0
–18
–16
–14
–12
–10
–8
–6
–4
–2
10k 100M
GSIN (dB)
FREQUENCY (Hz)
04452-017
100k 1M 10M
Figure 17. AD5547 Unipolar Reference Multiplying Bandwidth