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LF347IN

STMicroelectronics
Part Number LF347IN
Manufacturer STMicroelectronics
Description WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS
Published Mar 22, 2005
Detailed Description LF147 - LF247 LF347 WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS . . . . . . . . LOW POWER CONSUMPTION WIDE COMMON...
Datasheet PDF File LF347IN PDF File

LF347IN
LF347IN

Overview
LF147 - LF247 LF347 WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS .
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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) DESCRIPTION Thesecircuits are highspeedJ–FET inputquadoperational amplifiers incorporating well matched, high voltage J–FET and bipolar transistors in a monolithic integrated 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 LF347 LF247 LF147 Example : LF347IN Temperature Range 0 C, +70 C –40 C, +105 C -55 C, +125 C o o o o o o Package N • • • D • • • 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 8 Inverting Input 3 Output 3 October 1997 1/10 LF147 - LF247 - LF347 SCHEMATIC DIAGRAM (each amplifier) VCC Non-inverting input Inve rting input 100 Ω 100 Ω 30k 200 Ω Output 8.
2k 1.
3k VCC 35k 1.
3k 35k 100 Ω ABSOLUTE MAXIMUM RATINGS Symbol VCC Vi Vid Ptot Toper Supply Voltage - (note 1) Input Voltage - (note 3) Differential Input Voltage - (note 2) Power Dissipation Output Short-circuit Duration - (note 4) Operating Free Air Temperature Range LF347 LF247 LF147 Parameter Value ±18 ±15 ±30 680 Infinite 0 to 70 –40 to 105 –55 to 125 –65 to 150 o Unit V V V mW C Tstg Notes : Storage Temperature Range o C 1.
All voltage values, except differential voltage, are with respect to the zero reference level (ground) of the supply voltages where the zero reference level is the midpoint between VCC+ and VCC–.
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Differential voltages are at the non-inverting...


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