AD5421BREZ-REEL 查看數據表（PDF） - Analog Devices
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AD5421BREZ-REEL Datasheet PDF : 36 Pages
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AD5421
0
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
0
REGOUT LOAD CURRENT (mA)
0.05
0.10
0.15
0.20
0.25
0
VLOOP = 24V
EXT NMOS –5
TA = 25°C
–10
–15
–20
–25
–30
–35
–40
–45
2
4
6
8
10
REGOUT LOAD CURRENT (mA)
–50
12
Figure 31. REGOUT Voltage vs. Load Current
263.5
TA = 25°C
263.0
262.5
262.0
261.5
261.0
260.5
260.0
259.5
259.0
258.5
0
10
20
30
40
50
60
LOOP SUPPLY VOLTAGE (V)
Figure 32. Quiescent Current vs. Loop Supply Voltage
266
VLOOP = 24V
265
EXT NMOS
VIH = IODVDD
264
VIL = COM
TA = 25°C
263
262
261
260
259
258
257
–40 –20
0
20
40
60
TEMPERATURE (°C)
80
100
Figure 33. Quiescent Current vs. Temperature
Data Sheet
3.5
3.0
2.5
2.0
1.5
1.0
0.5 VLOOP = 24V
EXT NMOS
0 TA = 25°C
0
1
2
3
4
DVDD LOAD CURRENT (mA)
0
–50
–100
–150
–200
–250
5
Figure 34. DVDD Output Voltage vs. Load Current
4
3
2
1
0
–1
–2
–3 VLOOP = 24V
EXT NMOS
TA = 25°C
–4
0 1 2 3 4 5 6 7 8 9 10
TIME (Seconds)
Figure 35. REFOUT1 Voltage Noise, 0.1 Hz to 10 Hz Bandwidth
3.0
1
2.5
0
2.0
–1
1.5
–2
1.0
–3
0.5 VLOOP = 24V
EXT NMOS
TA = 25°C
0
0
1
2
3
4
5
6
REFOUT1 LOAD CURRENT (mA)
–4
–5
7
Figure 36. REFOUT1 Voltage vs. Load Current
Rev. H | Page 18 of 36
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