MC3458D [MOTOROLA]
DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS; 双差分输入运算放大器
| 型号： | MC3458D |
| 厂家： | 
MOTOROLA |
| 描述： | DUAL DIFFERENTIAL INPUT OPERATIONAL AMPLIFIERS |
| 文件： | 总8页 (文件大小：162K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Order this document by MC3458/D
DUAL DIFFERENTIAL
INPUT
OPERATIONAL AMPLIFIERS
Utilizing the circuit designs perfected for the quad operational amplifiers,
these dual operational amplifiers feature: 1) low power drain, 2) a common
mode input voltage range extending to ground/V , and 3) Single Supply or
EE
Split Supply operation.
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.
SEMICONDUCTOR
TECHNICAL DATA
• Short Circuit Protected Outputs
8
1
• True Differential Input Stage
• Single Supply Operation: 3.0 V to 36 V
• Low Input Bias Currents
• Internally Compensated
P1 SUFFIX
PLASTIC PACKAGE
CASE 626
• 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
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
PIN CONNECTIONS
MAXIMUM RATINGS
Output A
1
2
3
8
7
6
VCC
Rating
Symbol
Value
Unit
Output B
Power Supply Voltages
Single Supply
Vdc
–
Inputs A
V
CC
36
±18
+
–
+
Split Supplies
V , V
CC EE
Inputs B
4
5
VEE/Gnd
Input Differential Voltage Range (1)
Input Common Mode Voltage Range (2)
Junction Temperature
V
V
±30
±15
Vdc
Vdc
°C
IDR
ICR
(Top View)
T
J
150
Storage Temperature Range
T
stg
–55 to +125
°C
Operating Ambient Temperature Range
MC3458
MC3358
T
A
°C
ORDERING INFORMATION
Operating
0 to +70
–40 to +85
Temperature Range
Device
Package
NOTES: 1. Split Power Supplies.
MC3358P1
MC3458D
MC3458P1
T
= –40° to +85°C
Plastic DIP
SO–8
A
2. For supply voltages less than ±18 V, the absolute maximum input voltage is equal
to the supply voltage.
T
= 0° to +70°C
A
Plastic DIP
Motorola, Inc. 1996
Rev 0
MC3458 MC3358
ELECTRICAL CHARACTERISTICS (For MC3458, V
CC
= +15 V, V
= –15 V, T = 25°C, unless otherwise noted.)
A
EE
= Gnd, T = 25°C, unless otherwise noted.)
(For MC3358, V
= +14 V, V
CC
EE
A
MC3458
Typ
MC3358
Typ
Characteristic
Input Offset Voltage
= T to T
Symbol
Min
Max
Min
Max
Unit
V
IO
–
–
2.0
–
10
12
–
–
2.0
–
8.0
10
mV
T
(Note 1)
low
A
high
Input Offset Current
= T to T
low
I
IO
–
–
30
–
50
200
–
–
30
–
75
250
nA
T
A
high
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 to T
low
I
IB
–
–
–200
–
–500
–800
–
–
–200
–
–500
–1000
nA
T
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
R
R
= 10 kΩ
= 2.0 kΩ
= 2.0 kΩ, T = T
±12
±10
±10
±13.5
±13
–
–
–
–
12
10
10
12.5
12
–
–
–
–
L
L
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
1.6
±20
30
3.7
±45
150
150
–
1.6
±30
30
–
O
L
CC EE
Individual Output Short Circuit Current (Note 2)
Positive Power Supply Rejection Ratio
Negative Power Supply Rejection Ratio
Average Temperature Coefficient of Input
I
±10
–
±10
–
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
A
to T
high
low
Power Bandwidth
BWp
BW
SR
A
V
= 1, R = 2.0 kΩ, V = 20 V , THD = 5%
L
O
pp
Small Signal Bandwidth
= 1, R = 10 kΩ, V = 50 mV
A
V
L
O
Slew Rate
= 1, V = –10 V to +10 V
A
V
I
Rise Time
= 1, R = 10 kΩ, V = 50 mV
t
t
TLH
A
V
L
O
Fall Time
= 1, R = 10 kΩ, V = 50 mV
µs
THL
A
V
L
O
Overshoot
= 1, R = 10 kΩ, V = 50 mV
os
%
A
V
L
O
Phase Margin
= 1, R = 2.0 kΩ, C = 200 pF
φm
60
60
Degrees
%
A
V
L
L
Crossover Distortion
–
1.0
1.0
(V = 30 mV , V
= 2.0 V , f = 10 kHz)
in
pp out pp
NOTES: 1. T
= 70°C for MC3458, 85°C for MC3358
= 0°C for MC3458, –40°C for MC3358
high
T
low
2. Not to exceed maximum package power dissipation.
2
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
ELECTRICAL CHARACTERISTICS (V
= 5.0 V, V
= Gnd, T = 25°C, unless otherwise noted.)
CC
EE
A
MC3458
MC3358
Characteristic
Input Offset Voltage
Symbol
Min
–
Typ
2.0
Max
5.0
50
Min
–
Typ
2.0
–
Max
10
Unit
mV
V
IO
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
20
20
200
V/mV
VOL
R
= 2.0 kΩ,
L
Power Supply Rejection Ratio
PSRR
–
–
150
–
–
150
µV/V
Output Voltage Range (Note 3)
V
OR
V
pp
R
R
= 10 kΩ, V
= 5.0 V
3.3
–
3.5
–
–
3.3
–
3.5
V
CC
–1.7
–
–
L
L
CC
= 10 kΩ, 5.0 V ≤ V
≤ 30 V
V
CC
CC
–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)
NOTE: 3. Output will swing to ground with a 10 kΩ pull down resistor.
3
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
Representative Schematic Diagram
(1/2 of Circuit Shown)
Bias Circuitry
Common to Both
Amplifiers
Output
V
CC
Q19
Q18
Q27
Q20
Q17
40 k
Q16
Q23
Q29
Q28
5.0 pF
31 k
Q1
Q15
+
Q22
Q24
2.0 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
(Gnd)
EE
Inverter Pulse Response
differential to single ended converter Q3 and Q4. The first
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.
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.
20 µs/DIV
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
4
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
Figure 1. Sine Wave Response
Figure 2. Open Loop Frequency Response
120
A
= 100
V
V
T
= +15 V
= –15 V
= 25°C
V
CC
EE
A
100
80
60
40
20
0
–20
*Note Class A B output stage produces distortion less sinewave.
50 s/DIV
1.0
10
100
1.0 k
10 k
100 k
1.0 M
µ
f, FREQUENCY (Hz)
Figure 3. Power Bandwidth
Figure 4. Output Swing versus Supply Voltage
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
AND (V ), POWER SUPPLY VOLTAGES (V)
CC
EE
Figure 5. Input Bias Current
versus Temperature
Figure 6. Input Bias Current
versus Supply Voltage
V
= +15 V
= –15 V
= 25°C
300
CC
V
EE
170
160
150
T
A
200
100
–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
AND (V ), POWER SUPPLY VOLTAGES (V)
EE
CC
5
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
Figure 7. Voltage Reference
Figure 8. Wien Bridge Oscillator
V
CC
50 k
V
CC
5.0 k
10 k
R2
–
1/2
MC3458
V
CC
10 k
V
O
V
–
ret
+
1/2
MC3458
V
O
+
1
f
=
o
10 k
R1
2πRC
1
2
R1
R1 +R2
V
=
V
CC
ref
V
V
=
O
For:
= 1.0 kHz
f
o
R
C
R
C
R
C
1
2
=
V
CC
O
= 16 k
Ω
= 0.01
µF
Figure 9. High Impedance Differential Amplifier
Figure 10. Comparator with
Hysteresis
1
C
Hysteresis
R
R2
e
+
1
R
1/2
V
OH
MC3458
–
R1
V
+
V
ret
O
1/2
MC3458
V
O
–
a R1
b R1
1/2
V
–
V
OL
in
R1
e
o
MC3458
+
V
V
inH
inL
R1
R1 +R2
V
V
=
(V
– V ) +V
ref ref
ref
1
C
inL
OL
R
–
1/2
R1
R1 +R2
MC3458
V
=
(V
– V ) +V
ref ref
inH
OH
e
+
2
R
R1
R1 +R2
V
=
(V
OH
– V
)
OL
h
e
o
= C (1 +a +b) (e –e )
2 1
Figure 11. Bi–Quad Filter
R
1
R
f
=
o
100 k
2
π
RC
R1 = QR
R1
C
C
C1
1
2
R2
V
=
V
CC
ref
V
–
in
1/2
MC3458
R2 =
–
100 k
1/2
MC3458
+
R = 160 k
C = 0.001
R1 = 1.6 M
R2 = 1.6 M
R3 = 1.6 M
Ω
T
BP
–
µ
Ω
Ω
Ω
F
+
R3 = T R2
1/2
MC3458
N
C1 = 10 C
V
+
ref
For: f = 1.0 kHz
o
V
ref
Bandpass
Output
V
R3
Q = 10
ref
T
T
= 1
BP
= 1
R1
R2
N
–
C1
1/2
MC3458
Notch Output
+
Where:
T
T
= center frequency gain
= passband notch gain
BP
N
V
ref
6
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
Figure 12. Function Generator
1
2
V
=
V
R2
ref
CC
V
Triangle Wave
Output
300 k
+
ref
R3
1/2
MC3458
+
Square Wave
Output
1/2
75 k
R1
100 k
–
MC3458
–
V
ref
C
R
f
R1 +R
C
R2 R1
R2 +R1
f =
if, R3 =
4 CR R1
f
Figure 13. Multiple Feedback Bandpass Filter
V
CC
R3
C
C
R1
V
–
in
1/2
MC3458
V
O
C
O
O
+
R2
C
= 10 C
1
2
V
ref
V
=
V
CC
ref
Given:
f = center frequency
o
A(f ) = gain at center frequency
o
Choose value f , C.
o
Q
R3
2 A(f )
R1 R5
Then:
R3 =
R1 =
R2 =
2
4Q R1 – R3
π
f
C
o
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.
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specificallydisclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
datasheetsand/orspecificationscananddovaryindifferentapplicationsandactualperformancemayvaryovertime. Alloperatingparameters,including“Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applicationsintended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
ordeathmayoccur. ShouldBuyerpurchaseoruseMotorolaproductsforanysuchunintendedorunauthorizedapplication,BuyershallindemnifyandholdMotorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and
Opportunity/Affirmative Action Employer.
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
7
MOTOROLA ANALOG IC DEVICE DATA
MC3458 MC3358
OUTLINE DIMENSIONS
P1 SUFFIX
PLASTIC PACKAGE
CASE 626–05
ISSUE K
8
5
NOTES:
1. DIMENSION L TO CENTER OF LEAD WHEN
–B–
FORMED PARALLEL.
2. PACKAGE CONTOUR OPTIONAL (ROUND OR
SQUARE CORNERS).
1
4
3. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
F
MILLIMETERS
INCHES
–A–
NOTE 2
DIM
A
B
C
D
F
G
H
J
K
L
M
N
MIN
9.40
6.10
3.94
0.38
1.02
MAX
10.16
6.60
4.45
0.51
1.78
MIN
MAX
0.400
0.260
0.175
0.020
0.070
L
0.370
0.240
0.155
0.015
0.040
C
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
J
–T–
SEATING
PLANE
N
7.62 BSC
0.300 BSC
M
–––
10
–––
10
D
K
0.76
1.01
0.030
0.040
G
H
M
M
M
0.13 (0.005)
T
A
B
D SUFFIX
PLASTIC PACKAGE
CASE 751–05
(SO–8)
ISSUE R
NOTES:
D
A
E
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETERS.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
C
8
5
4
M
M
0.25
B
H
1
h X 45
MILLIMETERS
B
C
e
DIM
A
A1
B
C
D
E
e
H
h
MIN
1.35
0.10
0.35
0.18
4.80
3.80
MAX
1.75
0.25
0.49
0.25
5.00
4.00
A
SEATING
PLANE
L
1.27 BSC
0.10
5.80
0.25
0.40
0
6.20
0.50
1.25
7
A1
B
L
M
S
S
0.25
C
B
A
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MC3458/D
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