MC34071,2,4,A MC33071,2,4,A, NCV33074A
C
F
2.0 V
R
F
5.0 k
5.0 k
5.0 k
−
MC34071
V
in
V
in
V
O
V
CC
+
MC34071
V
O
t
V
O
4.0 V
13 V/ms
0.2
ms
Delay
25 V/ms
t
Delay
1.0
ms
2.0 k
R
L
−
10 k
Bit
Switches
10 k
10 k
+
1.0 V
(R−2R) Ladder Network
Settling Time
1.0
ms
(8−Bits, 1/2 LSB)
0.1
Figure 44. Low Voltage Fast D/A Converter
Figure 45. High Speed Low Voltage Comparator
V
CC
ON"
V
in
< V
ref
V
CC
V
in
V
ref
ON"
V
in
> V
ref
(A) PNP
+
MC34071
V
CC
R
L
+
MC34071
−
+
MC34071
−
R
L
−
(B) NPN
Figure 46. LED Driver
Figure 47. Transistor Driver
I
Load
+
MC34071
R
F
V
O
I
Cell
R1
R2
V
Cell
= 0 V
−
MC34071
−
Ground Current
Sense Resistor
R
S
R1
R2
V
O
= I
Load
R
S
V
O
+
1+
For V
O
> 0.1V
BW ( −3.0 dB) = GBW
R2
R1+R2
V
O
= I
Cell
R
F
V
O
> 0.1 V
Figure 48. AC/DC Ground Current Monitor
Figure 49. Photovoltaic Cell Amplifier
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