參數(shù)資料
型號(hào): EVAL-AD5445SDZ
廠商: Analog Devices Inc
文件頁數(shù): 7/29頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD5445
標(biāo)準(zhǔn)包裝: 1
系列: *
AD5424/AD5433/AD5445
Data Sheet
Rev. D | Page 14 of 28
03160-062
VOLTAGE (V)
5.5
2.5
3.0
3.5
4.0
4.5
5.0
THRESHOLD
VOLTAGE
(V)
1.8
1.4
1.6
1.0
1.2
0.4
0.6
0.8
0.2
0
TA = 25°C
VIL
VIH
Figure 33. Threshold Voltages vs. Supply Voltage
–120
–100
–80
–60
–40
–20
0
20
PSRR
(dB)
03160-034
1
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
TA = 25°C
VDD = 3V
AMP = AD8038
FULL SCALE
ZERO SCALE
Figure 34. Power Supply Rejection vs. Frequency
–90
–85
–80
–75
–70
–65
–60
THD
+
N
(dB)
100
1k
1
10
10k
100k
1M
FREQUENCY (Hz)
03160-035
TA = 25°C
VDD = 3V
VREF = 3.5V p-p
Figure 35. THD and Noise vs. Frequency
0
20
40
60
80
100
SFDR
(dB)
0
20
40
60
80
100
120
140
160
180
200
fOUT (kHz)
03160-036
TA = 25°C
VREF = 3.5V
AD8038 AMPLIFIER
AD5445
MCLK = 1MHz
MCLK = 200kHz
MCLK = 0.5MHz
Figure 36. Wideband SFDR vs. fOUT Frequency
0
10
20
30
40
50
60
70
80
90
SFDR
(dB)
0
100
200
300
400
500
600
700
800
900
1000
fOUT (kHz)
03160-037
MCLK = 5MHz
MCLK = 10MHz
MCLK = 25MHz
TA = 25°C
VREF = 3.5V
AD8038 AMPLIFIER
AD5445
Figure 37. Wideband SFDR vs. fOUT Frequency
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
SFDR
(dB)
4
6
0
2
8
10
12
FREQUENCY (MHz)
03160-038
TA = 25°C
VDD = 5V
AMP = AD8038
AD5445
65k CODES
Figure 38. Wideband SFDR, fOUT = 100 kHz, Clock = 25 MHz
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