AD5791 查看數據表（PDF） - Analog Devices
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AD5791 Datasheet PDF : 28 Pages
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Data Sheet
AD5791
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
AD8676 REFERENCE BUFFERS
0.8 AD8675 OUTPUT BUFFER
0.6
TA = +125°C
TA = +25°C
TA = –40°C
0.4
0.2
0
–0.2
–0.4
–0.6 VREFP = +10V
VREFN = –10V
–0.8 VDD = +15V
VSS = –15V
–1.0
0
200000
400000 600000
DAC CODE
800000 1000000
Figure 5. Integral Nonlinearity Error vs. DAC Code, ±10 V Span
0.8
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
0.6
0.4
0.2
0
–0.2
–0.4
VREFP = +10V
–0.6
VREFN = 0V
VDD = +15V
VSS = –15V
–0.8
0
200000
TA = –40°C
TA = +125°C
TA = +25°C
400000 600000
DAC CODE
800000 1000000
Figure 8. Integral Nonlinearity Error vs. DAC Code, ±10 V Span, X2 Gain Mode
1.5
TA = +125°C AD8676 REFERENCE BUFFERS
TA = +25°C
AD8675 OUTPUT BUFFER
TA = –40°C
1.0
0.5
0
–0.5
–1.0
VREFP = +10V
VREFN = 0V
VDD = +15V
VSS = –15V
–1.5
0
200000
400000 600000
DAC CODE
800000 1000000
Figure 6. Integral Nonlinearity Error vs. DAC Code, 10 V Span
1.0
AD8676 REFERENCE BUFFERS
0.8 AD8675 OUTPUT BUFFER
0.6
0.4
VREFP = +10V
VREFN = –10V
VDD = +15V
VSS = –15V
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
TA = +125°C
TA = +25°C
TA = –40°C
200000
400000 600000
DAC CODE
800000 1000000
Figure 9. Differential Nonlinearity Error vs. DAC Code, ±10 V Span
2.5
TA = +125°C
2.0
TA = +25°C
TA = –40°C
1.5
1.0
0.5
0
–0.5
–1.0
–1.5 VREFP = +5V
VREFN = 0V
–2.0 VDD = +15V
VSS = –15V
–2.5
0
200000
AD8676 REFERENCE BUFFERS
AD8675 OUTPUT BUFFER
400000 600000
DAC CODE
800000 1000000
Figure 7. Integral Nonlinearity Error vs. DAC Code, 5 V Span
1.5
AD8676 REFERENCE BUFFERS VREFP = +10V
AD8675 OUTPUT BUFFER
VREFN = 0V
VDD = +15V
1.0
VSS = –15V
0.5
0
–0.5
–1.0
–1.5
0
TA = +125°C
TA = +25°C
TA = –40°C
200000
400000 600000
DAC CODE
800000 1000000
Figure 10. Differential Nonlinearity Error vs. DAC Code, 10 V Span
Rev. D | Page 9 of 28
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