+15V
VO
100µA
+10
+5
R
R
(50kΩ)
(50kΩ)
VI
1N4148
–10
–5
+5
+10
VI
10pF
–5
1N4148
For VI > –5V: VO = 0
For VI < –5V: VO= –VI – 5V
(Dead to 100µA • R)
VO
OPA602
–10
R
R
VO
(50kΩ)
(50kΩ)
+10
+5
VI
1N4148
–10
–5
+5
+10
VI
100µA
10pF
1N4148
–15V
VO
OPA602
–5
For VI < 5V: VO = 0
For VI > 5V: VO = 5V – VI
(Dead to –100µA • R)
–10
FIGURE 19. Dead-Band Circuit.
+15V
VO
+10
+5
100µA
R
R
(50kΩ)
(50kΩ)
–10
–5
+5
+10
1N4148
VI
–5
10pF
For VI > 5V: VO = V – 5V
For VI < –5V: VO= VI + 5V
(Dead to ±100µA • R)
I
10kΩ
10kΩ
1N4148
OPA602
–10
10kΩ
VI
VO
OPA602
R
R
(50kΩ)
(50kΩ)
1N4148
100µA
10pF
1N4148
–15V
OPA602
FIGURE 20. Double Dead-Band Circuit.
®
13
REF200
BB [ BURR-BROWN CORPORATION ]
