lf347in STMicroelectronics, lf347in Datasheet

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lf347in

Manufacturer Part Number
lf347in
Description
Wide Bandwidth Quad J-fet Operational Amplifiers
Manufacturer
STMicroelectronics
Datasheet

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LF347IN
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DESCRIPTION
These circuits are high speed J–FET input quad
operational amplifiers incorporating well matched,
high voltage J–FET and bipolar transistors in a
monolithic integrated circuit.
The devices feature high slew rates, low input bias
and offset currents, and low offset voltage tem-
perature coefficient.
PIN CONNECTIONS (top view)
March 2001
LOW POWER CONSUMPTION
WIDE COMMON-MODE (UP TO V
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/ s (typ)
Non-inverting Input 2
Non-inverting Input 1
Inverting Input 2
Inverting Input 1
Output 2
Output 1
QUAD J-FET OPERATIONAL AMPLIFIERS
V
CC
+
CC
1
2
3
4
5
6
7
+
) AND
+
+
-
-
ORDER CODE
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
LF147
LF247
LF347
Example : LF347IN
Part Number
+
+
-
-
14
13
12
11
10
9
8
Output 4
Inverting Input 4
Non-inverting Input 4
V
Non-inverting Input 3
Inverting Input 3
Output 3
CC
(Plastic Micropackage)
-
(Plastic Package)
WIDE BANDWIDTH
Temperature Range
-55°C, +125°C
-40°C, +105°C
0°C, +70°C
DIP14
SO14
D
N
LF147 - LF247
LF347
Package
N
D
1/10

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lf347in Summary of contents

Page 1

... PIN CONNECTIONS (top view) Inverting Input 1 Non-inverting Input 1 Non-inverting Input 2 Inverting Input 2 March 2001 QUAD J-FET OPERATIONAL AMPLIFIERS + ) AND CC ORDER CODE Part Number LF147 LF247 LF347 Example : LF347IN N = Dual in Line Package (DIP Small Outline Package (SO) - also available in Tape & Reel (DT) Output ...

Page 2

LF147 - LF247 - LF347 SCHEMATIC DIAGRAM (each amplifier) ABSOLUTE MAXIMUM RATINGS Symbol Parameter V 1) Supply voltage - note Input Voltage - note i V Differential Input Voltage - note id P Power Dissipation tot Output ...

Page 3

ELECTRICAL CHARACTERISTICS V = ±15V +25°C (unless otherwise specified) CC amb Symbol Input Offset Voltage ( 25°C io amb min amb max DV Input Offset Voltage Drift io Input Offset Current ...

Page 4

LF147 - LF247 - LF347 MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE versus FREQUENCY MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE versus FREQUENCY MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE versus LOAD RESISTANCE 4/10 MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE versus FREQUENCY MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE versus FREE AIR TEMP. MAXIMUM ...

Page 5

INPUT BIAS CURRENT versus FREE AIR TEMPERATURE 100 V 15V = 0.1 0.01 -50 - TEMPERATURE (˚C) LARGE SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION AND PHASE SHIFT versus FREQUENCY SUPPLY CURRENT PER AMPLIFIER versus FREE AIR ...

Page 6

LF147 - LF247 - LF347 COMMON MODE REJECTION RATIO versus FREE AIR TEMPERATURE 15V -75 -50 - TEMPERATURE (˚C) OUTPUT VOLTAGE versus ...

Page 7

PARAMETER MEASUREMENT INFORMATION Figure 1 : Voltage Follower TYPICAL APPLICATIONS AUDIO DISTRIBUTOR AMPLIFIER LF147 - LF247 - LF347 Figure 2 : Gain-of-10 Inverting Amplifier 7/10 ...

Page 8

LF147 - LF247 - LF347 TYPICAL APPLICATIONS (continued) POSITIVE FEEDBACK BANDPASS FILTER OUTPUT A SECOND ORDER BANDPASS FILTER fo = 100kHz 30; Gain = 16 8/10 OUTPUT B CASCADED BANDPASS FILTER fo = 100kHz 69; Gain ...

Page 9

PACKAGE MECHANICAL DATA 14 PINS - PLASTIC DIP Dim. Min. a1 0. 1.27 Millimeters Typ. Max. 1.65 0.5 0.25 20 8.5 2.54 15.24 7.1 5.1 3.3 2.54 LF147 ...

Page 10

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. © ...

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