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TL H 11477
LM709
Operational
Amplifier
February 1995
LM709
Operational Amplifier
General Description
The LM709 series is a monolithic operational amplifier in-
tended for general-purpose applications Operation is com-
pletely specified over the range of voltages commonly used
for these devices The design in addition to providing high
gain minimizes both offset voltage and bias currents Fur-
ther the class-B output stage gives a large output capability
with minimum power drain
External components are used to frequency compensate
the amplifier Although the unity-gain compensation network
specified will make the amplifier unconditionally stable in all
feedback configurations compensation can be tailored to
optimize high-frequency performance for any gain setting
The LM709C is the commercial-industrial version of the
LM709 It is identical to the LM709 except that it is specified
for operation from 0 C to
a
70 C
Connection Diagrams
Metal Can Package
TL H 11477 4
Order Number LM709AH LM709H or LM709CH
See NS Package Number H08C
Dual-In-Line Package
TL H 11477 6
Order Number LM709CN-8
See NS Package Number N08E
Dual-In-Line Package
TL H 11477 5
Order Number LM709CN
See NS Package Number N14A
C1995 National Semiconductor Corporation
RRD-B30M115 Printed in U S A
Absolute Maximum Ratings
(Note 3)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
LM709 LM709A LM709C
g
18V
Power Dissipation (Note 1)
LM709 LM709A
300 mW
LM709C
250 mW
Differential Input Voltage
LM709 LM709A LM709C
g
5V
Input Voltage
LM709 LM709A LM709C
g
10V
Output Short-Circuit Duration (T
A
e a
25 C)
LM709 LM709A LM709C
5 seconds
Storage Temperature Range
LM709 LM709A LM709C
b
65 C to
a
150 C
Lead Temperature (Soldering 10 sec )
LM709 LM709A LM709C
300 C
Operating Ratings
(Note 3)
Junction Temperature Range (Note 1)
LM709 LM709A
b
55 C to
a
150 C
LM709C
0 C to
a
100 C
Thermal Resistance (i
JA
)
H Package
150 C W (i
JC
) 45 C W
8-Pin N Package
134 C W
14-Pin N Package
109 C W
Electrical Characteristics
(Note 2)
Parameter
Conditions
LM709A
LM709
LM709C
Units
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Input Offset Voltage
T
A
e
25 C R
S
s
10 kX
0 6
2 0
1 0
5 0
2 0
7 5
mV
Input Bias Current
T
A
e
25 C
100
200
200
500
300
1500
nA
Input Offset Current
T
A
e
25 C
10
50
50
200
100
500
nA
Input Resistance
T
A
e
25 C
350
700
150
400
50
250
kX
Output Resistance
T
A
e
25 C
150
150
150
X
Supply Current
T
A
e
25 C V
S
e
g
15V
2 5
3 6
2 6
5 5
2 6
6 6
mA
Transient Response
V
IN
e
20 mV C
L
s
100 pF
Risetime
T
A
e
25 C
1 5
0 3
1 0
0 3
1 0
m
s
Overshoot
30
10
30
10
30
%
Slew Rate
T
A
e
25 C
0 25
0 25
0 25
V ms
Input Offset Voltage
R
S
s
10 kX
3 0
6 0
10
mV
Average Temperature
R
S
e
50X
T
A
e
25 C to T
MAX
1 8
10
3 0
6 0
Coefficient of
T
A
e
25 C to T
MIN
1 8
10
6 0
12
m
V C
Input Offset Voltage
R
S
e
10 kX
T
A
e
25 C to T
MAX
2 0
15
T
A
e
25 C to T
MIN
4 8
25
Large Signal
V
S
e
g
15V R
L
t
2 kX
25
70
25
45
70
15
45
V mV
Voltage Gain
V
OUT
e
g
10V
Output Voltage Swing
V
S
e
g
15V R
L
e
10 kX
g
12
g
14
g
12
g
14
g
12
g
14
V
V
S
e
g
15V R
L
e
2 kX
g
10
g
13
g
10
g
13
g
10
g
13
Input Voltage Range
V
S
e
g
15V
g
8
g
8
g
10
g
8
g
10
V
Common-Mode
R
S
s
10 kX
80
110
70
90
65
90
dB
Rejection Ratio
Supply Voltage
R
S
s
10 kX
40
100
25
150
25
200
m
V V
Rejection Ratio
Input Offset Current
T
A
e
T
MAX
3 5
50
20
200
75
400
nA
T
A
e
T
MIN
40
250
100
500
125
750
Input Bias Current
T
A
e
T
MIN
0 3
0 6
0 5
1 5
0 36
2 0
m
A
Input Resistance
T
A
e
T
MIN
85
170
40
100
50
250
kX
Note 1
For operating at elevated temperatures the device must be derated based on a 150 C maximum junction temperature for LM709 LM709A and 100 C
maximum for L709C For operating at elevated temperatures the device must be derated based on thermal resistance i
JA
T
J(MAX)
and T
A
Note 2
These specifications apply for
b
55 C
s
T
A
s a
125 C for the LM709 LM709A and 0 C
s
T
A
s a
70 C for the LM709C with the following conditions
g
9V
s
V
S
s g
15V C1
e
5000 pF R1
e
1 5 kX C2
e
200 pF and R2
e
51X
Note 3
Absolute Maximum Ratings indicate limits which if exceeded may result in damage Operating Ratings are conditions where the device is expected to be
functional but not necessarily within the guaranteed performance limits For guaranteed specifications and test conditions see the Electrical Characteristics
2
Schematic Diagram
TL H 11477 1
Typical Applications
Unity Gain Inverting Amplifier
TL H 11477 2
FET Operational Amplifier
TL H 11477 3
Voltage Follower
TL H 11477 7
To be used with any capacitive loading on output
Pin connections shown are for metal can package
Should be equal to DC source resistance on input
Offset Balancing Circuit
TL H 11477 8
3
Guaranteed Performance Characteristics
Output Voltage Swing
Voltage Range
Input Common-Mode
Voltage Gain
Supply Current
TL H 11477 9
4
Typical Performance Characteristics
Input Offset Current
Input Bias Current
Supply Current
Slew Rate as a Function of
Closed-Loop Gain Using
Recommended Compensation Networks
Various Closed-Loop Gains
Frequency Response for
as a Function of Frequency
Output Voltage Swing
Output Voltage Swing
Supply Voltage
as a Function of
Input Bias Current
TL H 11477 10
5
6
Physical Dimensions
inches (millimeters)
Metal Can Package (H)
Order Number LM709AH LM709H or LM709CH
NS Package Number H08C
8-Lead Molded Dual-In-Line Package (N)
Order Number LM709CN-8
NS Package Number N08E
7
LM709
Operational
Amplifier
Physical Dimensions
inches (millimeters) (Continued)
14-Lead Molded Dual-In-Line Package (N)
Order Number LM709CN
NS Package Number N14A
LIFE SUPPORT POLICY
NATIONAL'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION As used herein
1 Life support devices or systems are devices or
2 A critical component is any component of a life
systems which (a) are intended for surgical implant
support device or system whose failure to perform can
into the body or (b) support or sustain life and whose
be reasonably expected to cause the failure of the life
failure to perform when properly used in accordance
support device or system or to affect its safety or
with instructions for use provided in the labeling can
effectiveness
be reasonably expected to result in a significant injury
to the user
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