MC33074 Motorola, MC33074 Datasheet - Page 14

• Manufacturer Part Number: MC33074
• Description: (MC33071 / MC33072 / MC33074) HIGH BANDWIDTH SINGLE SUPPLY OPERATIONAL AMPLIFIERS
• Manufacturer: Motorola

V ref
14
V in
V inL =
V inH =
V H =
+V1
+V2
V O = 1
R2
R1
V in
R1
Figure 49. Low Input Voltage Comparator
R1+R
R1
R1+R2
R1+R2
For (V2 V1), V > 0
R1
Figure 53. Low Voltage Peak Detector
=
R1
R1
R4
R3
Figure 51. High Input Impedance
+
(V OH –V OL )
(V OH –V ref )+V ref
(V OL –V ref )+V ref
(Critical to CMRR)
R4
R3
MC34071
MC34072
+
–
Differential Amplifier
–
+
+
–
R2
1/2
R2
MC34071
with Hysteresis
V2–V1
V in
R4
R3
R L
R3
V OH
V OL
V P
V O
t
V P
MC34072
–
+
MC34071,2,4,A MC33071,2,4,A
1/2
V O = V in (pk)
+
R4
V inL
Hysteresis
10,000 pF
V ref
V inH
V O
V in
f OSC
^
V+
R F > > R
Figure 50. High Compliance Voltage to
R < < R
0.85
Figure 52. Bridge Current Amplifier
RC
C
Figure 54. High Frequency Pulse
100 k
V in
R = R
I out =
R
V
Sink Current Converter
MOTOROLA ANALOG IC DEVICE DATA
OSC
+V ref
47 k
Width Modulation
V in V IO
MC34072
–
+
MC34071
+
–
100 k
R
1/2
R F
R
R
R
V P
t
Comparator
V P
MC34071
–
+
+
0
–
V O = V ref
(V O 0.1 V)
MC34072
R F
+
–
I B
1/2
Control Group
Pulse Width
R
I B
I out
2R 2
R R F
I SC
High Current
+
Base Charge
V O
Output
Removal
I out
t