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LM308A 반도체 회로 부품 판매점

Precision Operational Amplifier



Motorola  Inc 로고
Motorola Inc
LM308A 데이터시트, 핀배열, 회로
Order this document by LM308A/D
Precision Operational
Amplifier
The LM308A operational amplifier provides high input impedance, low
input offset and temperature drift, and low noise. These characteristics are
made possible by use of a special Super Beta processing technology. This
amplifier is particularly useful for applications where high accuracy and low
drift performance are essential. In addition high speed performance may be
improved by employing feedforward compensation techniques to maximize
slew rate without compromising other performance criteria.
The LM308A offers extremely low input offset voltage and drift
specifications allowing usage in even the most critical applications without
external offset nulling.
Operation from a Wide Range of Power Supply Voltages
Low Input Bias and Offset Currents
Low Input Offset Voltage and Guaranteed Offset Voltage Drift
Performance
High Input Impedance
LM308A
SUPER GAIN
OPERATIONAL AMPLIFIER
SEMICONDUCTOR
TECHNICAL DATA
8
1
N SUFFIX
PLASTIC PACKAGE
CASE 626
Frequency Compensation
Standard Compensation
Modified Compensation
Inverting
Input
Noninverting
Input
R2
R1
R3 +
Compen A Cf
Output
Inverting
Input
Compen B
Noninverting
Input
R1
R3
Cf 30
1
1 + R2
R1
R2
+
100 pF
Output
Compen B
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
PIN CONNECTIONS
Standard Feedforward
Compensation
Feedforward Compensations for
Decoupling Load Capacitance
10 k
Input
5.0 pF
10
k
+
500 pF
Compen A
Input
Output
Compen B
3.0 k
10 pF
RS > 10 k
100 k
C2* 10 pF
0.01 µF
500
+ Compen B
500 pF 3.0 k
Compen A
10 pF
Output
CL
75 pF to
0.01µF
*C2
>
5
x 105
R2
pF
Compen A 1
Inputs
2
3
VEE 4
+
8 Compen B
7 VCC
6 Output
5 NC
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
LM308AN
LM308AD
TA = 0° to +70°C
Plastic DIP
SO–8
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 0
1


LM308A 데이터시트, 핀배열, 회로
LM308A
MAXIMUM RATINGS (TA = +25°C, unless otherwise noted.)
Rating
Symbol
Value
Unit
Power Supply Voltage
Input Voltage (See Note 1)
Input Differential Current ( See Note 2)
VCC, VEE
VI
IID
±18 Vdc
±15 V
±10 mA
Output Short Circuit Duration
Operating Ambient Temperature Range
Storage Temperature Range
Junction Temperature
tSC Indefinite
TA
0 to +70
°C
Tstg –65 to +150 °C
TJ
+150
°C
NOTES: 1. For supply voltages less than ±15 V, the maximum input voltage is equal to the supply
voltage.
2. The inputs are shunted with back–to–back diodes for overvoltage protection. Therefore,
excessive current will flow if a differential input voltage in excess of 1.0 V is applied
between the inputs, unless some limiting resistance is used.
ELECTRICAL CHARACTERISTICS (Unless otherwise noted these specifications apply for supply voltages of +5.0 V VCC +15 V
and –5.0 V VEE –15 V, TA = +25°C.)
Characteristic
Symbol Min Typ Max Unit
Input Offset Voltage
VIO – 0.3 0.5 mV
Input Offset Current
IIO
Input Bias Current
IIB
Input Resistance
ri
Power Supply Currents
(VCC = +15 V, VEE = –15 V)
ICC, IEE
Large Signal Voltage Gain
(VCC = +15 V, VEE = –15 V, VO = ±10 V, RL 10 kΩ)
AVOL
The following specifications apply over the operating temperature range.
10
80
0.2 1.0 nA
1.5 7.0 nA
40 – M
±0.3 ±0.8 mA
300 – V/mV
Input Offset Voltage
Input Offset Current
Average Temperature Coefficient of Input Offset Voltage
TA (min) TA TA (max)
Average Temperature Coefficient of Input Offset Current
VIO
IIO
VIO/T
IIO/T
– 0.73 mV
– 1.5 nA
1.0 5.0 µV/°C
2.0 10 pA/°C
Input Bias Current
Large Signal Voltage Gain
(VCC +15 V, VEE = –15 V, VO = ±10 V, RL 10 k)
Input Voltage Range
(VCC = +15 V, VEE = –15 V)
Common Mode Rejection
(RS 50 k)
Supply Voltage Rejection
(RS 50 k)
Output Voltage Range
(VCC = +15 V, VEE = –15 V, RL = 10 k)
IIB
AVOL
VICR
CMR
PSR
VOR
––
60 –
±14 –
96 110
96 110
±13 ±14
10 nA
– V/mV
–V
– dB
– dB
–V
2 MOTOROLA ANALOG IC DEVICE DATA




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( motorola )

LM308A amplifier

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