MC34072P 查看數據表（PDF） - Motorola => Freescale
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MC34072P Datasheet PDF : 20 Pages
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MC34071,2,4,A MC33071,2,4,A
GENERAL ADDITIONAL APPLICATIONS INFORMATION VS = ±15.0 V
Figure 55. Second Order Low–Pass Active Filter
Figure 56. Second Order High–Pass Active Filter
C2
0.02
R1
560
C1
0.44
Ǹ2
R2 =
4πfoC2
R2
R3
5.6 k
510
–
MC34071
+
fo = 1.0 kHz
Ho = 10
Choose: fo, Ho, C2
Then: C1 = 2C2 (Ho+1)
R2
R3 = Ho+1
R2
R1 = Ho
Figure 57. Fast Settling Inverter
CF*
RF
2.0 k
VO = 10 V
Step
–
MC34071
+
I
Uncompensated
High Speed
DAC
Compensated
*Optional Compensation
VO
ts = 1.0 µs
to 1/2 LSB (8–Bits)
ts = 2.2 µs
to 1/2 LSB (12–Bits)
SR = 13 V/µs
C2
0.05
C1
1.0
C1
1.0
R2
1.1 k
R1
46.1 k
–
MC34071
+
fo = 100 Hz
Ho = 20
Choose: fo, Ho, C1
Then: R1 =
Ho+0.5
πfoC1 Ǹ2
Ǹ2
R2 =
2πfoC1 (1/Ho+2)
C
C2 =
Ho
Figure 58. Basic Inverting Amplifier
R1
Vin
+
MC34071
–
R2
VO
RL
VO
Vin
=
R2
R1
BW (–3.0 dB) = GBW
R1
R1 +R2
SR = 13 V/µs
Figure 59. Basic Noninverting Amplifier
Figure 60. Unity Gain Buffer (AV = +1.0)
+
MC34071
VO
–
Vin
R2
RL
R1
VO = 1 + R2
Vin
R1
BW (–3.0 dB) = GBW R1
R1 +R2
Vin
+
MC34071
VO
–
BWp = 200 kHz
VO = 20 Vpp
SR = 10 V/µs
MOTOROLA ANALOG IC DEVICE DATA
15
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