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LF353 Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer LF353
Beschreibung WIDE BANDWIDTH DUAL J-FET OPERATIONAL AMPLIFIERS
Hersteller STMicroelectronics
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Gesamt 9 Seiten
LF353 Datasheet, Funktion
LF153
® LF253 - LF353
WIDE BANDWIDTH
DUAL 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
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
DE SC RI P TI O N
The LF353 are high speed J–FET input dual opera-
tional amplifiers incorporating well matched, high
voltageJ–FET andbipolartransistorsin a monolithicin-
tegrated circuit.
The devicesfeaturehigh slew rates, low input bias and
offset currents, and low offset voltage temperature
coefficient.
ORDER CODES
Part Number
LF353
LF253
LF153
Temperature
0oC, +70oC
–40oC, +105oC
–55oC, +125oC
PIN CONNECTIONS (top view)
Package
ND
••
••
••
1
2-
3+
4
8
7
-6
+5
1 - Output 1
2 - Inverting input 1
3 - Non-inverting input 1
4 - VCC-
5 - Non-inverting input 2
6 - Inverting input 2
7 -Output 2
8 - VCC+
June 1998
1/9






LF353 Datasheet, Funktion
LF153 - LF253 - LF353
COMMON MODE REJECTION RATIO
VERSUS FREE AIR TEMPERATURE
VOLTAGE FOLLOWER LARGE SIGNAL
PULSE RESPONSE
89
88
RL = 10 k
VCC= 15V
87
86
85
84
83
-75 -50 -25 0 25 50 75 100 125
TEMPERATURE ( C)
OUTPUT VOLTAGE VERSUS
ELAPSED TIME
28
24
O VERS HO O T
20
16
90%
12
8
4
10%
VCC= 15V
R L= 2k
0
-4 t r
Ta mb= +25 C
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
TIME (µs )
6
4 OUTPUT
INPUT
2
0
VCC= 15V
-2 RL = 2 k
-4 CL= 100pF
Ta mb = +25 C
-6
0 0.5 1 1.5 2 2.5 3 3.5
TIME (µs )
EQUIVALENT INPUT NOISE VOLTAGE
VERSUS FREQUENCY
70
60 VCC = 15V
AV = 10
50 R S = 100
40 Ta mb = +25 C
30
20
10
0
10 40 100 400 1k 4k 10k 40k 100k
FREQUENCY (Hz)
TOTAL HARMONIC DISTORTION VERSUS
FREQUENCY
1
0.4
0.1
0.04
VVC C
=
C
=
1155VV
AAVV==1 1
VVO (Orm(rsm)=s)=6V6V
TaTma bmb= =+2+52 5CC
0.01
0.004
0.001
100
400 1k
4k 10k
FREQUE NCY (Hz)
40k 100k
6/9

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