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AD7293 Datasheet(PDF) 18 Page - Analog Devices

Part # AD7293
Description  12-Bit Power Amplifier Current Controller
PDF  78 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7293 Datasheet(HTML) 18 Page - Analog Devices

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AD7293
Data Sheet
Rev. B | Page 18 of 78
Figure 20. BI-VOUT0 Output Voltage (Zero Scale) vs. Load Current
Figure 21. BI-VOUT0 Output Voltage vs. Load Current
Figure 22. DAC Gain Error vs. Temperature
Figure 23. DAC Offset Error vs. Temperature
Figure 24. Bipolar DAC Response to AVDD Failure
Figure 25. DAC Glitch Energy vs. Code
–4.65
–5.05
–5.00
–4.95
–4.90
–4.85
–4.80
–4.75
–4.70
–16
–14
–12
–10
–8
–6
–4
–2
0
LOAD CURRENT (mA)
–5V TO 0V, CODE 246 (ZERO SCALE + 300mV)
–5V TO 0V, CODE 0 (ZERO SCALE)
6
–6
–4
–2
0
2
4
–80
–60
–40
–20
0
20
40
60
80
LOAD CURRENT (mA)
BI-VOUT0 0/4 SCALE
BI-VOUT0 1/4 SCALE
BI-VOUT0 2/4 SCALE
BI-VOUT0 3/4 SCALE
BI-VOUT0 4/4 SCALE
500
–500
–400
–300
–200
–100
0
100
200
300
400
–40
120
100
80
60
40
20
0
–20
TEMPERATURE (°C)
UNIPOLAR GAIN ERROR, +2.5V TO +7.5V
UNIPOLAR GAIN ERROR, +5V TO +10V
UNIPOLAR GAIN ERROR, 0V TO +5V
BIPOLAR GAIN ERROR, 0V TO +5V
BIPOLAR GAIN ERROR, –4V TO +1V
BIPOLAR GAIN ERROR, –5V TO 0V
16
–4
–2
0
2
4
6
8
10
12
14
–40
120
100
80
60
40
20
0
–20
TEMPERATURE (°C)
UNIPOLAR OFFSET ERROR 0V TO +5V
UNIPOLAR OFFSET ERROR +2.5V TO +7.5V
UNIPOLAR OFFSET ERROR +5V TO +10V
BIPOLAR OFFSET ERROR 0V TO +5V
BIPOLAR OFFSET ERROR –4V TO +1V
BIPOLAR OFFSET ERROR –5V TO 0V
12
11
10
9
8
7
6
5
4
3
2
1
0
–1
–4.45
–5.10
–5.05
–5.00
–4.95
–4.90
–4.85
–4.80
–4.75
–4.70
–4.65
–4.60
–4.55
–4.50
0
5
10
15
20
25
30
35
40
TIME (ms)
AVDD
PA_ON
AVSS
DAC BIPOLAR OUTPUT
10
5
0
–5
–10
–15
–20
0
500
1000
1500
2000
2500
3000
3500
4000
CODE
UNIPOLAR, 0V TO 5V, HIGH TO LOW
UNIPOLAR, 5V TO 10V, LOW TO HIGH
UNIPOLAR, 0V TO 5V, LOW TO HIGH
BIPOLAR, 0V TO 5V, HIGH TO LOW
UNIPOLAR, 5V TO 10V, HIGH TO LOW
BIPOLAR, 0V TO 5V, LOW TO HIGH



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