MC34071,2,4,A MC33071,2,4,A
GENERAL ADDITIONAL APPLICATIONS INFORMATION VS =
±15.0
V
Figure 55. Second Order Low–Pass Active Filter
C2
0.02
R1
560
R3
510
R2
5.6 k
–
MC34071
Figure 56. Second Order High–Pass Active Filter
C2
0.05
C1
1.0
R1
46.1 k
–
C1
1.0
fo = 1.0 kHz
Ho = 10
MC34071
R2
1.1 k
+
C1
0.44
fo = 100 Hz
Ho = 20
Ho+0.5
πf
oC1 2
2
+
Choose: fo, Ho, C2
Then: C1 = 2C2 (Ho+1)
R2 =
2
4πfoC2
R2
R3 =
Ho+1
R2
R1 =
Ho
Choose: fo, Ho, C1
Then: R1 =
R2 =
2πfoC1 (1/Ho+2)
C
C2 =
Ho
Figure 57. Fast Settling Inverter
CF*
RF
2.0 k
VO = 10 V
Step
Figure 58. Basic Inverting Amplifier
+
R1
MC34071
VO
RL
–
–
MC34071
Vin
VO
R2
+
I
Uncompensated
High Speed
DAC
*Optional Compensation
Compensated
ts = 1.0
µs
to 1/2 LSB (8–Bits)
ts = 2.2
µs
to 1/2 LSB (12–Bits)
SR = 13 V/µs
VO
R2
=
BW (–3.0 dB) = GBW
Vin
R1
R1
R1 +R2
SR = 13 V/µs
Figure 59. Basic Noninverting Amplifier
Figure 60. Unity Gain Buffer (AV = +1.0)
+
MC34071
VO
Vin
+
MC34071
–
Vin
R2
RL
R1
VO
–
VO
=
Vin
1+
R2
R1
R1
R1 +R2
BWp = 200 kHz
VO = 20 Vpp
SR = 10 V/µs
BW (–3.0 dB) = GBW
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