AD5421_11 AD [Analog Devices], AD5421_11 Datasheet - Page 17

• Manufacturer Part Number: AD5421_11
• Description: 16-Bit, Serial Input, Loop-Powered, 4 mA to 20 mA DAC
• Manufacturer: AD [Analog Devices]

2.5012
2.5010
2.5008
2.5006
2.5004
2.5002
2.5000
2.4998
2.4996
2.4994
Figure 35. REFOUT1 Voltage vs. Temperature, 60 Devices Shown
30
25
20
15
10
5
0
Figure 36. REFOUT1 Temperature Coefficient Histogram
–40
60 DEVICES SHOWN
–20
TEMPERATURE COEFFICIENT (ppm/°C)
0
(C Grade Device)
(C Grade Device)
TEMPERATURE (°C)
20
40
MEAN TC = 1.5ppm/°C
60
80
100
Rev. 0 | Page 17 of 32
250
200
150
100
250
200
150
100
50
50
0
0
–40
Figure 38. On-Chip ADC Code vs. V
0
V
EXT NMOS
T
Figure 37. On-Chip ADC Code vs. Die Temperature
LOOP
A
= 25°C
–20
= 24V
0.5
V
LOOP
0
DIE TEMPERATURE (°C)
PIN INPUT VOLTAGE (V)
1.0
20
40
1.5
LOOP
Pin Input Voltage
60
V
EXT NMOS
R
I
2.0
LOOP
LOOP
LOAD
80
= 3.2mA
= 24V
= 250Ω
AD5421
100
2
.5