AD5439 Analog Devices, AD5439 Datasheet - Page 10

• Manufacturer Part Number: AD5439
• Description: (AD5424 - AD5547) High Bandwidth Multiplying DACs
• Manufacturer: Analog Devices

AD5547/AD5557
1
2
0.5
3.0
2.5
2.0
1.5
1.0
20
10
90
80
70
60
50
40
30
0
0
10k
10
Figure 12. AD5547 Supply Current vs. Clock Frequency
Figure 13. Power Supply Rejection Ratio vs. Frequency
Figure 14. Settling Time from Full Scale to Zero Scale
CH1
5.00V CH2 2.00V
100
100k
CLOCK FREQUENCY (Hz)
M 200ns
FREQUENCY (Hz)
1k
1M
10k
A CH1
B CH1
400.00ns
0xFFFF
0x0000
2.70V
–6.20V
V
V
10M
DD
REF
0x5555
100k
0x8000
= 5V ± 10%
= 10V
LDAC
V
OUT
100M
1M
Rev. 0 | Page 10 of 20
0xFFFF
0
0x8000
0x4000
0x2000
0x1000
0x0800
0x0400
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
0x0001
0x0000
Figure 17. AD5547 Bipolar Reference Multiplying Bandwidth (Codes from
–108
–120
0.5
–12
–24
–36
–48
–60
–72
–84
–96
Figure 15. AD5547 Midscale Transition and Digital Feedthrough
10
START 10.000Hz
Figure 16. AD5547 Unipolar Reference Multiplying Bandwidth
REF LEVEL
0.000dB
0
10
START 10.000Hz
REF LEVEL
0.000dB
ALL BITS ON
D15 AND D14 ON
D15 AND D13 ON
D15 AND D12 ON
D15 AND D11 ON
D15 AND D10 ON
D15 AND D9 ON
D15 AND D8 ON
D15 AND D7 ON
D15 AND D6 ON
D15 AND D5 ON
D15 AND D4 ON
D15 AND D3 ON
D15 AND D2 ON
D15 AND D1 ON
D15 ON
1.0
D15 AND D0 ON
100
1.5
100
/DIV
12.000dB
2.0
/DIV
12.000dB
TIME (µs)
1k
Midscale to Full Scale)
2.5
1k
V
V
CODES 0x8000 ↔0x7FFF
DD
REF
3.0
10k
= 5V
= 10V
10k
3.5
MARKER 4 41 677.200Hz
MAG (A/R) –2.939db
STOP 50 000 000.000Hz
100k
4.0
STOP 10 000 000.000Hz
100k
4.5
1M
5.0
1M
LDAC (5V/DIV)
V
OUT
10M
(50mV/DIV)
10M
–12dB
–24dB
–36dB
–48dB
–60dB
–72dB
–84dB
–96dB
–108dB