LF347DT STMicroelectronics, LF347DT Datasheet

IC OPAMP J-FET QUAD 14-SOIC

LF347DT

Manufacturer Part Number
LF347DT
Description
IC OPAMP J-FET QUAD 14-SOIC
Manufacturer
STMicroelectronics
Datasheet

Specifications of LF347DT

Amplifier Type
J-FET
Number Of Circuits
4
Slew Rate
16 V/µs
Gain Bandwidth Product
4MHz
Current - Input Bias
20pA
Voltage - Input Offset
3000µV
Current - Supply
1.4mA
Current - Output / Channel
40mA
Voltage - Supply, Single/dual (±)
8 V ~ 36 V, ±4 V ~ 18 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
14-SOIC (3.9mm Width), 14-SOL
Number Of Channels
4
Common Mode Rejection Ratio (min)
70 dB
Input Offset Voltage
10 mV
Input Bias Current (max)
200 pA
Supply Current
10.8 mA
Maximum Power Dissipation
680 mW
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Maximum Dual Supply Voltage
+/- 18 V
Mounting Style
SMD/SMT
Shutdown
No
Technology
BiFET
Voltage Gain Db
106.02 dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
-3db Bandwidth
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-2963-2

Available stocks

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Quantity
Price
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LF347DT
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LF347DT@@@@@@
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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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LF347DT Summary of contents

Page 1

LOW POWER CONSUMPTION WIDE COMMON-MODE ( 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) ...

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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