AD5443_15 Datasheet, PDF (13/25 Pages) Analog Devices – 8-/10-/12-Bit High Bandwidth Multiplying DACs with Serial Interface

AD5426/AD5432/AD5443
20
T_A = 25°C
V_DD = 3V
0 ^{AMPLIFIER = AD8038}
–20
–40
–60
–80
–100
FULL SCALE
ZERO SCALE
–120
1
10
100
1k
10k 100k
1M
10M
FREQUENCY (Hz)
Figure 30. Power Supply Rejection vs. Frequency
–60
T_A = 25°C
V_DD = 3V
–65 ^{VREF = 3.5V p-p}
–70
–75
–80
–85
–90
1
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 31. THD and Noise vs. Frequency
1.8
T_A = 25°C
1.6
1.4
V_IH
1.2
1.0
V_IL
0.8
0.6
0.4
0.2
0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
VOLTAGE (V)
Figure 32. Threshold Voltages vs. Supply Voltage
Data Sheet
100
80
MCLK = 1MHz
60
MCLK = 200kHz
MCLK = 500kHz
40
20
T_A = 25°C
V_REF = 3.5V
AD8038 AMP
0 ^AD5443
0
10
20
30
40
50
f_OUT (kHz)
Figure 33. Wideband SFDR vs. fOUT Frequency (AD5443)
80
MCLK = 500kHz
60
MCLK = 1MHz
MCLK = 200kHz
40
20
T_A = 25°C
V_REF = 3.5V
AD8038 AMP
0 ^AD5426
0
10
20
30
40
50
f_OUT (kHz)
Figure 34. Wideband SFDR vs. fOUT Frequency (AD5426)
0
T_A = 25°C
–10
V_REF = 3.5V
AD8038 AMPLIFIER
–20
AD5443
–30
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (Hz)
Figure 35. Wideband SFDR fOUT = 50 kHz, Update = 1 MHz
Rev. G | Page 12 of 24