AD8280

Rev. C | Page 13 of 24

1

OV

20ns/DIV

Figure 33. Alarm Fall Time

20ms/DIV

4

1

2

3

OV

UV

OT

TESTI

Figure 34. TESTI and AVOUTxx, Deglitch Time = 0.0 sec, Self-Test Passes

4

1

2

3

OV

UV

OT

TESTI

20ms/DIV

Figure 35. TESTI and AVOUTxx, Deglitch Time = 0.0 sec, Self-Test Fails (UV)

3

1

2

4

OV

UV

OT

TESTI

CH1

CH3

5V

5V

CH2

CH4

5V

5V

M200ms 1.25ks/s

A CH4

2.4V

800µs/pt

Figure 36. TESTI and AVOUTxx, Deglitch Time = 0.1 sec, Self-Test Passes

3

1

2

4

CH1

CH3

5V

5V

CH2

CH4

5V

5V

M200ms 1.25ks/s

A CH4

2.4V

800µs/pt

OV

UV

OT

TESTI

Figure 37. TESTI and AVOUTxx, Deglitch Time = 0.1 sec, Self-Test Fails (UV)

1

2

OV

TESTI

4µs/DIV

Figure 38. TESTI Edge and AVOUTxx, Self-Test Fails (Enlarged)