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MC34001 参数 Datasheet PDF下载

MC34001图片预览
型号: MC34001
PDF下载: 下载PDF文件 查看货源
内容描述: JFET输入运算放大器 [JFET INPUT OPERATIONAL AMPLIFIERS]
分类和应用: 运算放大器输入元件
文件页数/大小: 12 页 / 167 K
品牌: ONSEMI [ ONSEMI ]
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MC34001, B MC34002, B MC34004, B  
Figure 13. Positive Peak Detector  
6
8
V
CC  
1/2  
V
O
MC34002  
+
D1  
7
1/2  
MC34002  
5
2
3
*
+
V
1N914  
in  
1 µF  
4
V
EE  
Reset  
Reset  
Network  
or Relay  
*Polycarbonate capacitor  
D1 = Hi–speed, low–reverse leakage diode  
Figure 14. Long Interval RC Timer  
Figure 15. Isolating Large Capacitive Loads  
R2 5.1 k  
+15 V  
MC34001  
V
O
7
20 pF  
V
CC  
R1  
V1  
R3  
2
3
+
V
R
6
C
I
C
R1 5.1 k  
MC34001  
O
2
7
R4  
R2  
+
R3 10  
6
4
R6  
3
+2.0 V  
4
C
0.5 µF  
R
5.1 k  
L
–15 V  
L
0
Run  
Clear  
C*  
–2.0 V  
V
EE  
Overshoot  
= 10  
10%  
*Polycarbonate or  
Polystyrene Capacitor  
R5  
t
µs  
s
When driving large C , the V slew rate is determined by C  
L
O
L
and I  
:
O(max)  
V I  
O
Time (t) = R4 Cn (V /V –V ), R = R , R = 0.1 R  
0.02  
0.5  
O
C
L
R
R
I
3
4
5
6
=
=
V/µs = 0.04 V/µs (with C shown)  
L
If R1 = R2: t = 0.693 R4C  
t
Design Example: 100 Second Timer  
V
= 10 V  
C = l.0  
R5 = 2.0 k  
µ
F
R3 = R4 = 144 M  
R1 = R2 = 1.0 k  
R
R6 = 20 k  
Figure 16. Wide BW, Low Noise,  
Low Drift Amplifier  
C2  
R2  
f
240 kHz  
max  
V
CC  
7
10 V  
–10 V  
R1  
C1  
2
8
V
in  
6
3
MC34001  
4
V
EE  
S
r
Power BW: f  
=
240 kHz  
max  
2
π
Vp  
Parasitic input capacitance (C1  
interacts with feedback elements and creates undesirable high–frequency pole.  
To compensate add C2 such that: R2C2 R1C1.  
3.0 pF plus any additional layout capacitance)  
7
MOTOROLA ANALOG IC DEVICE DATA