MC3458DR2 [ONSEMI]
Dual, Low Power Operational Amplifiers; 双通道，低功耗运算放大器
| 型号： | MC3458DR2 |
| 厂家： | 
ONSEMI |
| 描述： | Dual, Low Power Operational Amplifiers |
| 文件： | 总13页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MC3458, MC3358
Dual, Low Power
Operational Amplifiers
Utilizing the circuit designs perfected for the quad operational
amplifiers, these dual operational amplifiers feature: low power drain,
a common mode input voltage range extending to ground/V , and
Single Supply or Split Supply operation.
EE
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MARKING
These amplifiers have several distinct advantages over standard
operational amplifier types in single supply applications. They can
operate at supply voltages as low as 3.0 V or as high as 36 V with
quiescent currents about one–fifth of those associated with the
MC1741C (on a per amplifier basis). The common mode input range
includes the negative supply, thereby eliminating the necessity for
external biasing components in many applications. The output voltage
range also includes the negative power supply voltage.
• Short Circuit Protected Outputs
• True Differential Input Stage
• Single Supply Operation: 3.0 V to 36 V
• Low Input Bias Currents
• Internally Compensated
DIAGRAMS
8
MC3x58P1
AWL
PDIP–8
P1 SUFFIX
CASE 626
YYWW
8
1
1
8
SO–8
3x58
D SUFFIX
CASE 751
ALYW
8
1
1
• Common Mode Range Extends to Negative Supply
• Class AB Output Stage for Minimum Crossover Distortion
• Single and Split Supply Operations Available
• Similar Performance to the Popular MC1458
x
A
WL, L
YY, Y
= 3 or 4
= Assembly Location
= Wafer Lot
= Year
WW, W = Work Week
PIN CONNECTIONS
1
2
3
4
8
7
6
5
Output A
VCC
Output B
–
Inputs A
+
–
+
Inputs B
VEE/Gnd
(Top View)
ORDERING INFORMATION
Device
Package
SO–8
Shipping
MC3358D
98 Units/Rail
2500 Tape & Reel
50 Units/Rail
MC3358DR2
MC3358P1
MC3458D
SO–8
PDIP–8
SO–8
98 Units/Rail
MC3458DR2
MC3458P1
SO–8
2500 Tape & Reel
50 Units/Rail
PDIP–8
Semiconductor Components Industries, LLC, 2001
1
Publication Order Number:
March, 2001 – Rev. 1
MC3458/D
MC3458, MC3358
Bias Circuitry
Common to Both
Amplifiers
V
CC
Output
Q19
Q18
Q27
Q20
Q17
40 k
Q16
Q23
Q29
Q28
5.0 pF
31 k
Q1
Q15
+
Q22
Q24
ă2.0 k
Q9
Q13
25
Inputs
37k
Q11
Q25
Q21
Q12
-
Q6
Q30
2.4 k
Q2
Q5
Q10
Q7
Q3
Q4
Q8
60 k
V
EE
(Gnd)
Figure 1. Representative Schematic Diagram
(1/2 of Circuit Shown)
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltages
Single Supply
Vdc
V
CC
36
Split Supplies
V
CC
, V
EE
±18
Input Differential Voltage Range (Note 1.)
Input Common Mode Voltage Range (Note 2.)
Junction Temperature
V
±30
±15
150
Vdc
Vdc
°C
IDR
ICR
V
T
J
Storage Temperature Range
T
stg
–55 to +125
°C
Operating Ambient Temperature Range
T
A
°C
MC3458
MC3358
0 to +70
–40 to +85
1. Split Power Supplies.
2. For supply voltages less than ±18 V, the absolute maximum input voltage is equal to the supply voltage.
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2
MC3458, MC3358
ELECTRICAL CHARACTERISTICS (For MC3458, V = +15 V, V = –15 V, T = 25°C, unless otherwise noted.)
CC
EE
A
(For MC3358, V = +14 V, V = Gnd, T = 25°C, unless otherwise noted.)
CC
EE
A
MC3458
Typ
MC3358
Typ
Min
Max
Min
Max
Characteristic
Input Offset Voltage
T = T to T
Symbol
Unit
V
IO
–
–
2.0
–
10
12
–
–
2.0
–
8.0
10
mV
(Note 3.)
low
A
high
Input Offset Current
T = T to T
I
IO
–
–
30
–
50
200
–
–
30
–
75
250
nA
A
high
low
Large Signal Open Loop Voltage Gain
= ±10 V, R = 2.0 kΩ,
A
VOL
V/mV
V
O
20
15
200
–
–
–
20
15
200
–
–
–
L
T = T
to T
low
A
high
Input Bias Current
T = T to T
low
I
IB
–
–
–200
–
–500
–800
–
–
–200
–
–500
–1000
nA
A
high
Output Impedance, f = 20 Hz
Input Impedance, f = 20 Hz
Output Voltage Range
z
–
75
–
–
–
75
–
–
Ω
MΩ
V
O
z
0.3
1.0
0.3
1.0
I
V
OR
R = 10 kΩ
±12
±10
±10
±13.5
±13
–
–
–
–
12
10
10
12.5
12
–
–
–
–
L
R = 2.0 kΩ
L
R = 2.0 kΩ, T = T
L
to T
low
A
high
Input Common Mode Voltage Range
V
ICR
+13
+13.5
–
+13
+13.5
–
V
–V
EE
–V
EE
–V
EE
–V
EE
Common Mode Rejection Ratio, R ≤ 10 kΩ
CMR
, I
70
90
–
70
90
–
3.7
±45
150
–
dB
mA
S
Power Supply Current (V = 0) R = ∞
I
–
±10
–
1.6
±20
30
3.7
±45
150
150
–
–
±10
–
1.6
±30
30
–
O
L
CC EE
Individual Output Short Circuit Current (Note 4.)
Positive Power Supply Rejection Ratio
Negative Power Supply Rejection Ratio
Average Temperature Coefficient of Input
I
mA
SC
PSRR+
PSRR–
µV/V
µV/V
pA/°C
–
30
–
∆I /∆T
IO
–
50
–
50
–
Offset Current, T = T
to T
low
A
high
Average Temperature Coefficient of Input
∆V /∆T
–
–
–
–
–
–
–
–
–
10
9.0
1.0
0.6
0.35
0.35
20
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
10
9.0
1.0
0.6
0.35
0.35
20
–
–
–
–
–
–
–
–
–
µV/°C
kHz
MHz
V/µs
µs
IO
Offset Current, T = T
to T
low
A
high
Power Bandwidth
BWp
BW
SR
A = 1, R = 2.0 kΩ, V = 20 V , THD = 5%
V
L
O
pp
Small Signal Bandwidth
A = 1, R = 10 kΩ, V = 50 mV
V
L
O
Slew Rate
A = 1, V = –10 V to +10 V
V
I
Rise Time
t
t
TLH
A = 1, R = 10 kΩ, V = 50 mV
V
L
O
Fall Time
µs
THL
A = 1, R = 10 kΩ, V = 50 mV
V
L
O
Overshoot
os
%
A = 1, R = 10 kΩ, V = 50 mV
V
L
O
Phase Margin
A = 1, R = 2.0 kΩ, C = 200 pF
φm
60
60
Degrees
%
V
L
L
Crossover Distortion
–
1.0
1.0
(V = 30 mV , V = 2.0 V , f = 10 kHz)
in
pp out
pp
3. MC3358: T = –40°C, T
= +85°C
low
high
MC3458: T = 0°C, T
= +70°C
low
high
4. Not to exceed maximum package power dissipation.
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3
MC3458, MC3358
ELECTRICAL CHARACTERISTICS (V = 5.0 V, V = Gnd, T = 25°C, unless otherwise noted.)
CC
EE
A
MC3458
Typ
MC3358
Min
–
Max
5.0
50
Min
–
Typ
2.0
–
Max
10
Characteristic
Input Offset Voltage
Symbol
Unit
mV
V
IO
2.0
Input Offset Current
I
IO
–
30
–
75
nA
Input Bias Current
I
–
–200
200
–500
–
–
–
–500
–
nA
IB
Large Signal Open Loop Voltage Gain
A
VOL
20
20
200
V/mV
R = 2.0 kΩ,
L
Power Supply Rejection Ratio
PSRR
–
–
150
–
–
150
µV/V
Output Voltage Range (Note 5.)
V
OR
V
pp
R = 10 kΩ, V = 5.0 V
3.3
–
3.5
–
–
3.3
–
3.5
V
CC
–
–
L
CC
R = 10 kΩ, 5.0 V ≤ V ≤ 30 V
V
CC
L
CC
–1.7
–1.7
Power Supply Current
Channel Separation
I
–
–
2.5
7.0
–
–
–
2.5
4.0
–
mA
dB
CC
CS
–120
–120
f = 1.0 kHz to 20 kHz (Input Referenced)
5. Output will swing to ground with a 10 kΩ pull down resistor.
stage performs not only the first stage gain function but also
performs the level shifting and transconductance reduction
functions. By reducing the transconductance, a smaller
compensation capacitor (only 5.0 pF) can be employed, thus
saving chip area. The transconductance reduction is
accomplished by splitting the collectors of Q24 and Q22.
Another feature of this input stage is that the input Common
Mode range can include the negative supply or ground, in
single supply operation, without saturating either the input
devices or the differential to single–ended converter. The
second stage consists of a standard current source load
amplifier stage.
20 µs/DIV
The output stage is unique because it allows the output to
swing to ground in single supply operation and yet does not
exhibit any crossover distortion in split supply operation.
This is possible because Class AB operation is utilized.
Each amplifier is biased from an internal voltage regulator
which has a low temperature coefficient thus giving each
amplifier good temperature characteristics as well as
excellent power supply rejection.
Figure 2. Inverter Pulse Response
CIRCUIT DESCRIPTION
The MC3458/3358 is made using two internally
compensated, two–stage operational amplifiers. The first
stage of each consists of differential input devices Q24 and
Q22 with input buffer transistors Q25 and Q21 and the
differential to single ended converter Q3 and Q4. The first
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4
MC3458, MC3358
120
A = 100
V
V
V
= +15 V
= -15 V
CC
EE
100
80
60
40
20
0
T = 25°C
A
-20
*Note Class A B output stage produces distortion less sinewave.
1.0
10
100
1.0 k
10 k
100 k
1.0 M
50 µs/DIV
f, FREQUENCY (Hz)
Figure 3. Sine Wave Response
Figure 4. Open Loop Frequency Response
30
25
T = 25°C
A
30
20
10
0
+15 V
-
V
O
20
+
10 k
-15 V
15
10
5.0
0
T = 25°C
A
-5.0
1.0 k
10 k
100 k
1.0 M
0
2.0 4.0
6.0 8.0 10
12
14
16
18 20
f, FREQUENCY (Hz)
V
CC
AND (V ), POWER SUPPLY VOLTAGES (V)
EE
Figure 5. Power Bandwidth
Figure 6. Output Swing versus Supply Voltage
V
V
= +15 V
= -15 V
300
200
100
CC
EE
170
160
150
T = 25°C
A
-75 -55 -35 -15 5.0
25
45
65
85 105 125
0
2.0 4.0
6.0 8.0 10
12
14
16
18 20
T, TEMPERATURE (°C)
V
CC
AND (V ), POWER SUPPLY VOLTAGES (V)
EE
Figure 7. Input Bias Current
versus Temperature
Figure 8. Input Bias Current
versus Supply Voltage
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5
MC3458, MC3358
V
CC
50 k
V
CC
5.0 k
-
10 k
R2
-
1/2
MC3458
V
CC
10 k
V
O
V
1
ret
+
1/2
V
O
MC3458
+
1
f =
o
10 k
R1
2πRC
R1
R1 +R2
V
ref
=
ă V
CC
V
V
=
=
2
O
For:
= 1.0 kHz
f
o
R
C
R
C
R
C
1
V
O
CC
= 16 kΩ
2
= 0.01 µF
Figure 9. Voltage Reference
Figure 10. Wien Bridge
Oscillator
1
Hysteresis
R
C
R2
e
1
+
R
1/2
MC3458
V
OH
R1
-
V
+
V
ret
O
1/2
MC3458
V
O
-
a R1
b R1
1/2
MC3458
V
-
V
OL
in
R1
e
o
V
inL
V
inH
+
R1
R1 +R2
V
ref
V
V
=
=
(V - V ) +V
OL ref ref
inL
1
C
R
-
1/2
MC3458
R1
R1 +R2
(V - V ) +V
ref
inH
OH
ref
e
2
+
R
R1
R1 +R2
V =
h
(V - V )
OH OL
e = C (1 +a +b) (e –e )
o
2
1
Figure 11. High Impedance Differential
Amplifier
Figure 12. Comparator with Hysteresis
R
1
R
f =
o
100 k
2πRC
R1 = QR
R1
C
C
C1
1
2
R2
V
ref
=
V
CC
-
1/2
MC3458
V
in
R2 =
-
100 k
1/2
MC3458
ăR = 160 kΩ
ăC = 0.001 µF
R1 = 1.6 MΩ
R2 = 1.6 MΩ
R3 = 1.6 MΩ
T
BP
R3 = T R2
-
+
1/2
MC3458
N
C1 = 10 C
+
V
+
ref
For: f = 1.0 kHz
o
Q = 10
V
ref
Bandpass
Output
V
ref
R3
T
T
= 1
= 1ă ā
BP
R1
R2
N
-
C1
1/2
MC3458
Notch Output
+
Where:
T
T
= center frequency gain
BP
= passband notch gain
N
V
ref
Figure 13. Bi–Quad Filter
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6
MC3458, MC3358
1
2
V
ref
=
V
CC
R2
Triangle Wave
Output
300 k
V
ref
+
R3
1/2
MC3458
+
Square Wave
Output
1/2
MC3458
75 k
R1
100 k
-
-
V
ref
C
R
f
R1 +R
C
R2 R1
R2 +R1
f =
if, R3 =
4 CR R1
f
Figure 14. Function Generator
V
CC
R3
C
C
R1
V
in
-
1/2
MC3458
V
O
C
O
+
R2
C
O
= 10 C
1
2
V
ref
V
ref
=
V
CC
Given:
f = center frequency
o
A(f ) = gain at center frequency
o
Choose value f , C.
o
Q
π f C
o
R3
2 A(f )
R1 R5
2
Then: R3 =
R1 =
R2 =
4Q R1 - R3
o
Q f
o
o
For less than 10% error from operational amplifier
where, f and BW are expressed in Hz.
< 0.1
BW
o
If source impedance varies, filter may be preceded with
voltage follower buffer to stabilize filter parameters.
Figure 15. Multiple Feedback Bandpass Filter
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7
MC3458, MC3358
PACKAGE DIMENSIONS
PDIP–8
P1 SUFFIX
CASE 626–05
ISSUE L
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
SQUARE CORNERS).
8
5
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
–B–
MILLIMETERS
INCHES
MIN
1
4
DIM MIN
MAX
10.16
6.60
4.45
0.51
1.78
MAX
0.400
0.260
0.175
0.020
0.070
A
B
C
D
F
9.40
6.10
3.94
0.38
1.02
0.370
0.240
0.155
0.015
0.040
F
–A–
NOTE 2
L
G
H
J
2.54 BSC
0.100 BSC
0.76
0.20
2.92
1.27
0.30
3.43
0.030
0.008
0.115
0.050
0.012
0.135
K
L
C
7.62 BSC
0.300 BSC
M
N
---
0.76
10
_
1.01
---
0.030
10
0.040
_
J
–T–
SEATING
PLANE
N
M
D
K
G
H
M
M
M
B
0.13 (0.005)
T
A
SO–8
D SUFFIX
CASE 751–07
ISSUE W
–X–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
A
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.
8
5
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER
SIDE.
S
M
M
B
0.25 (0.010)
Y
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN
EXCESS OF THE D DIMENSION AT MAXIMUM
MATERIAL CONDITION.
1
4
K
–Y–
G
MILLIMETERS
INCHES
DIM MIN
MAX
5.00
4.00
1.75
0.51
MIN
MAX
0.197
0.157
0.069
0.020
A
B
C
D
G
H
J
4.80
3.80
1.35
0.33
0.189
0.150
0.053
0.013
0.050 BSC
0.004
0.007
0.016
0
0.010
0.228
C
N X 45
_
SEATING
PLANE
–Z–
1.27 BSC
0.10 (0.004)
0.10
0.19
0.40
0
0.25
0.25
1.27
8
0.010
0.010
0.050
8
M
J
H
D
K
M
N
S
_
_
_
_
0.25
5.80
0.50
6.20
0.020
0.244
M
S
S
X
0.25 (0.010)
Z
Y
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8
MC3458, MC3358
Notes
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9
MC3458, MC3358
Notes
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10
MC3458, MC3358
Notes
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11
MC3458, MC3358
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MC3458/D
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