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부품번호 | MC3405 기능 |
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기능 | DUAL OPERATIONAL AMPLIFIER / DUAL VOLTAGE COMPARATOR | ||
제조업체 | Motorola Semiconductors | ||
로고 | |||
전체 12 페이지수
Order this document by MC3405/D
MC3405
Dual Operational Amplifier
and Dual Comparator
The MC3405 contains two differential–input operational amplifiers and
two comparators, each set capable of single supply operation. This
operational amplifier–comparator circuit fulfills its applications as a general
purpose product for automotive and consumer circuits as well as an
industrial building block.
www.DataSheet4U.cTohme MC3405 is specified over the commercial operating temperature
range of 0° to +70°C.
• Operational Amplifier Equivalent in Performance to MC3403
• Comparator Similar in Performance to LM339
• Single Supply Operation: 3.0 V to 36 V
• Split Supply Operation: ±1.5 V to ±18 V
• Low Supply Current Drain
• Operational Amplifier is Internally Frequency Compensated
• Comparator TTL and CMOS Compatible
DUAL OPERATIONAL
AMPLIFIER / DUAL
VOLTAGE COMPARATOR
SEMICONDUCTOR
TECHNICAL DATA
14
1
P SUFFIX
PLASTIC PACKAGE
CASE 646
PIN CONNECTIONS
Single Supply
3.0 V to 36 V
VCC
1
2
3
4
VEE, Gnd
Split Supplies
VCC
1
1.5 V to 18 V
2
3
4
VEE
1.5 V to 18 V
MOTOROLA ANALOG IC DEVICE DATA
Out 1 1
Inputs 1
2
3
Comp
1
+
1
–
Op
Amp 1
–
4
+
14 Out 4
13
Inputs 4
12
VCC 4
Inputs 2
5
6
Comp
2
+
2
–
Op
Amp 2
+
3
–
11 VEE/Gnd
10
Inputs 3
9
Out 2 7
8 Out 3
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC3405P
TA = 0° to +70°C
Plastic DIP
© Motorola, Inc. 1996
Rev 1
1
www.DataSheet4U.com
MC3405
4 MOTOROLA ANALOG IC DEVICE DATA
4페이지 MC3405
Figure 12. Window Comparator
VCC
∆V
Adjust
10 k
10 k
13
–
12 Amp 1
+
14
10 k
www.DataSheet4U.com
VCC
10 k
VC Adjust
VEE
C3
10 k
10 k
9
–
10 Amp 2
+
8
VCC
54
–
6 Comp 2
+
11
VEE
3
–
2
Comp 1
+
7
1
3.0 k
vO
Vin
Figure 13. Squelch Circuit for AM or FM
C1
R2
C2 13
Vin – 14
R1
12
Amp 1
+
High Pass Filter
High Pass Filter
Given: Ao, Q, ωo = 2πfo
Choose: C = C1 = C2, a convenient value
Calculate:
R2
=
Q
ωoC
(2Ao + 1)
C3 = C
Ao
R1 =
Ao
QωoC(2Ao + 1)
3
–1
2 Comp 1
C4 R3 +
VCC 100 k
Squelch
Threshold Adj
R3C4 > 5 Tin
Where : Tin is the period of Vin
Q = Quality Factor
Ao = High Frequency Gain
ωo = Break Frequency
VO
13
∆V
∆V
Vin
–13
VC
VCC
2.7 k
2.7 k
10
+
9 Amp 2
–
8
VAO
Rf
Ri
VAi
Switched Audio Stage
Gain of Audio Stage
ACI =
Rf
Ri
Figure 14. High/Low Limit Alarm
VCC 10 k
10 k R6
R4 12
+ 14
VCC
10 k
13 Amp 1
–
Oscillator
R5
R1
1.0 k 3
–1
2 Comp 1
+
VCC
2.0 k
Rf 33 k
10
+
9 Amp 2
–
8
VO
Vi R2
5
2.0 k C 0.01 µF
–7
1.0 k 6 Comp 2
+
VC
Hi/Low
R3 Limit Detector
VC
VCC
0
VIL VIH
Vi
VIL = VCC
R3
R1 + R2 + R3
VIH = VCC
R2 + R3
R1 + R2 + R3
Oscillator
If R4 = R5 = R6
f = 0.72/RfC
As shown, f = 2.2 kHz
VO will oscillate if VIH < Vi, or VIL > Vi
VO will be low if VIL < Vi < VIH
MOTOROLA ANALOG IC DEVICE DATA
7
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |