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PDF LF147-LF247 Data sheet ( Hoja de datos )
| Número de pieza | LF147-LF247 | |
| Descripción | WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LF147-LF247 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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LF147 - LF247
LF347
WIDE BANDWIDTH
QUAD J-FET OPERATIONAL AMPLIFIERS
. LOW POWER CONSUMPTION
. WIDE COMMON-MODE (UP TO VCC+) AND
DIFFERENTIAL VOLTAGE RANGE
. LOW INPUT BIAS AND OFFSET CURRENT
. OUTPUT SHORT-CIRCUIT PROTECTION
. HIGH INPUT IMPEDANCE J–FET INPUT
STAGE
. INTERNAL FREQUENCY COMPENSATION
. LATCH UP FREE OPERATION
. HIGH SLEW RATE : 16V/µs (typ)
N
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
DE SC RI P TI O N
Thesecircuits are highspeedJ–FET inputquadopera-
tional amplifiers incorporating well matched, high volt-
age J–FET and bipolar transistors in a monolithic inte-
grated circuit.
The devicesfeaturehigh slew rates, low input bias and
offset currents, and low offset voltage temperature
coefficient.
PIN CONNECTIONS (top view)
ORDER CODES
Part Number
Temperature
Range
LF347
LF247
LF147
0oC, +70oC
–40oC, +105oC
-55oC, +125oC
Example : LF347IN
Package
ND
••
••
••
Output 1 1
Inverting Input 1 2
Non-inverting Input 1 3
VCC + 4
Non-inverting Input 2 5
Inverting Input 2 6
Output 2 7
-
+
+
-
14 Output 4
- 13 Inverting Input 4
+ 12 Non-inverting Input 4
11 VCC -
+ 10 Non-inverting Input 3
- 9 Inverting Input 3
8 Output 3
October 1997
1/10
1 page  
LF147 - LF247 - LF347
INPUT BIAS CURRENT VERSUS
FREE AIR TEMPERATURE
100
V CC = 15V
10
1
0.1
0.01
-50 -25
0
25 50 75
TEMPERATURE (°C)
100 125
LARGE SIGNAL DIFFERENTIAL
VOLTAGE AMPLIFICATION AND PHASE
SHIFT VERSUS FREQUENCY
100
PHASE SHIFT
(right s ca le )
10
R = 2kΩ
C
L
L
= 100pF
1 VCC = 15V
T amb = +125 C
DIFFER ENTIAL
VOLTAGE
AMPLIFICATION
(left s ca le)
180
90
0
100 1K
10K 100K 1M 10M
FREQUENCY (Hz)
SUPPLY CURRENT PER AMPLIFIER
VERSUS FREE AIR TEMPERATURE
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-75
-50
VCC = 15V
No signal
No load
-25 0 25 50 75 100 125
TEMPERATURE (°C)
LARGE SIGNAL DIFFERENTIAL
VOLTAGE AMPLIFICATION VERSUS
FREE AIR TEMPERATURE
1000
400
200
100
40
20
10 VCC = 15V
4 VO = 10V
2
R = 2k Ω
L
1
-75 -50 -25
0 25 50 75 100 125
TEMPERATURE (°C)
TOTAL POWER DISSIPATION VERSUS
FREE AIR TEMPERATURE
250
225
200
175
150
125
100
75
50
25
0
-75
-50
VCC = 15V
No signal
No load
-25 0 25 50 75 100 125
TEMPERATURE (°C)
COMMON MODE REJECTION RATIO
VERSUS FREE AIR TEMPERATURE
2.0
1.8 Tamb = +25 C
1.6 No s igna l
1.4 No loa d
1.2
1.0
0.8
0.6
0.4
0.2
0
02 4
6
8 10 12 14 16
SUP PLY VOLTAGE (V)
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LF147-LF247.PDF ] | |
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