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參數(shù)資料
| 型號： | MC3405P |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 運動控制電子 |
| 英文描述： | Processor Supervisory Circuits with Power-Fail 8-SOIC -40 to 85 |
| 中文描述： | DUAL OP-AMP, 12000 uV OFFSET-MAX, 1 MHz BAND WIDTH, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 182K |
| 代理商： | MC3405P |
MC3405
6
MOTOROLA ANALOG IC DEVICE DATA
Slope Can Be Either Polarity.
VCC = +15 V
VEE = Gnd
COMPARATOR SECTION
Figure 7. Normalized Input Offset Voltage
Figure 8. Input Bias Current
Figure 9. Normalized Input Offset Current
Figure 10. Output Sink Current versus
Output Voltage
Figure 11. Pulse Width Modulator Schematic and Waveforms
TA, AMBIENT TEMPERATURE (
°
C)
I
°
N
1.40
1.20
1.00
0.80
0.60
0.40
–60
–40
–20
0
20
40
60
80
100
120
140
Slope Can Be Either Polarity.
VCC = +15 V
VEE = Gnd
VCC, POSITIVE SUPPLY VOLTAGE (V)
200
160
120
80
40
2.0
6.0
10
14
18
22
26
30
,
I
VEE = Gnd
TA = +125
°
C
TA = –55
°
C
TA = +25
°
C
TA, AMBIENT TEMPERATURE (
°
C)
2.20
1.80
1.40
1.00
0.60
0.20
–60
–40
–20
0
20
40
60
80
100
120
140
I
°
N
VOL, OUTPUT VOLTAGE (mV)
I
S
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
0
200
400
600
800
1000
TA = +125
°
C
TA = +25
°
C
TA = –55
°
C
VCC = +15 V
VEE = Gnd
(a) Oscillator Square Wave Output
VSW
VCC
VEE
Time
(b) Triangle Wave and Control Voltage
(c) Output Pulses
vt
VTH
VTL
Vout
VCC
VEE
Time
Time
Pulse Width =
when: VTL < VC < VTH
Duty Cycle in % =
(100)
Vc – VTL
VTH–VTL
Vc – VTL
VTH–VTL
1
f
–
Rf
1
5.0 k
6
5
11
Comp 2
VEE
VCC
4
7
Vout
10
9
C
8
vt
300 k
150 k
R2
R1
12
13
14
VCC
10 k
1.0 M
2
3
VC
+
+
+
–
–
5.0 k
5.0 k
VEE
R1
4RfCR2
VTH =
VS(1 + R2/R1) + VEE
Oscillator Frequency
f =
VS = VCC – VEE
1
2
VTL =
VS(1 – R2/R1) + VEE
1
2
5.0 k
VSW
VC
Comp 1
Amp 2
Amp 1
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