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AD7293 데이터시트(PDF) 19 Page - Analog Devices

부품명 AD7293
상세설명  12-Bit Power Amplifier Current Controller
PDF  78 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

AD7293 데이터시트(HTML) 19 Page - Analog Devices

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Data Sheet
AD7293
Rev. B | Page 19 of 78
Figure 26. Temperature Error vs. Capacitance from Dx+ to Dx−
Figure 27. Temperature Error vs. Series Resistance for Typical Devices
Figure 28. Temperature Sensor Error vs. Device Under Test (DUT)
Temperature
Figure 29. High-Side Current Sensor at Common-Mode Rejection Ratio (CMRR)
Figure 30. ADC Reference vs. Temperature
Figure 31. Closed-Loop RSENSE Voltage Regulation vs. Temperature
10
10000
1000
100
CAPACITANCE (pF)
–7.5
–7.0
–6.5
–6.0
–5.5
–5.0
–4.5
–4.0
–3.5
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
0.5
1.0
SENSOR RESULT AT +25°C
SENSOR RESULT AT +105°C
SENSOR RESULT AT +150°C
SENSOR RESULT AT –40°C
0
10
9
8
7
6
5
4
3
2
1
SERIES RESISTANCE (kΩ)
–0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
SENSOR RESULT AT +25°C
SENSOR RESULT AT +105°C
SENSOR RESULT AT +150°C
SENSOR RESULT AT –40°C
SENSOR RESULT AT –55°C
–40
–20
0
20
40
60
80
100
120
DUT TEMPERATURE (°C)
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
–60
–120
–115
–110
–105
–100
–95
–90
–85
–80
–75
–70
–65
100
100M
10M
1M
100k
10k
1k
FREQUENCY (Hz)
2.504
2.495
2.496
2.497
2.498
2.499
2.500
2.501
2.502
2.503
–60
–40
140
120
100
80
60
40
20
0
–20
TEMPERATURE (°C)
TESTER TRIMMED DUT1
TESTER TRIMMED DUT6
TESTER TRIMMED DUT4
TESTER TRIMMED DUT9
TESTER TRIMMED DUT5
TESTER TRIMMED DUT10
TESTER TRIMMED DUT11
TESTER TRIMMED DUT2
TESTER TRIMMED DUT7
TESTER TRIMMED DUT12
TESTER TRIMMED DUT3
TESTER TRIMMED DUT8
TESTER TRIMMED DUT13
–40
–20
120
100
80
60
40
20
0
TEMPERATURE (°C)
0.10002
0.10004
0.10006
0.10008
0.10010
0.10012
0.10014
0.10016
0.10018
0.10020
0.10022
MIDSCALE DRIFT WITH EXTERNAL REFERENCE
MIDSCALE DRIFT WITH INTERNAL REFERENCE



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