AD5440_15 Datasheet, PDF (15/33 Pages) Analog Devices – Dual 8-/10-/12-Bit, High Bandwidth, Multiplying DACs with Parallel Interface

AD5428/AD5440/AD5447
0
T_A = 25°C
–10
V_DD = 5V
AMP = AD8038
65k CODES
–20
–30
–40
–50
–60
–70
–80
–90
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FREQUENCY (MHz)
Figure 31. Wideband SFDR, fOUT = 50 kHz, Clock = 10 MHz
Data Sheet
0
T_A= 25°C
–10
V_DD = 3V
AMP = AD8038
–20
65k CODES
–30
–40
–50
–60
–70
–80
–90
–100
70 75 80 85 90 95 100 105 110 115 120
FREQUENCY (kHz)
Figure 34. Narrow-Band IMD, fOUT = 90 kHz, 100 kHz, Clock = 10 MHz
0
T_A= 25°C
–10
V_DD = 3V
AMP = AD8038
–20
65k CODES
–30
–40
–50
–60
–70
–80
–90
–100
250 300 350 400 450 500 550 600 650 700 750
FREQUENCY (kHz)
Figure 32. Narrow-Band SFDR, fOUT = 500 kHz, Clock = 25 MHz
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0
T_A= 25°C
V_DD = 5V
AMP = AD8038
65k CODES
50 100 150 200 250 300 350 400
FREQUENCY (kHz)
Figure 35. Wideband IMD, fOUT = 90 kHz, 100 kHz, Clock = 25 MHz
20
T_A= 25°C
V_DD = 3V
0
AMP = AD8038
65k CODES
–20
–40
–60
–80
–100
–120
50 60 70 80 90 100 110 120 130 140 150
FREQUENCY (kHz)
Figure 33. Narrow-Band SFDR, fOUT = 100 kHz, Clock = 25 MHz
300
T_A = 25°C
ZERO SCALE LOADED TO DAC
AMP = AD8038
250
MIDSCALE LOADED TO DAC
FULL SCALE LOADED TO DAC
200
150
100
50
0
100
1k
10k
100k
FREQUENCY (Hz)
Figure 36. Output Noise Spectral Density
Rev. C | Page 14 of 32