LOFP64, LOFP-64, LOG100 Selling Leads, Datasheet
MFG:LOF Package Cooled:QFP D/C:05+
LOFP64, LOFP-64, LOG100 Datasheet download
Part Number: LOFP64
MFG: LOF
Package Cooled: QFP
D/C: 05+
LOFP64, LOFP-64, LOG100
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Info of LOFP64
Info of LOFP-64
Info of LOG100
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About LOG100
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Datasheet: LOG100
File Size: 126859 KB
Manufacturer: BURR-BROWN [Burr-Brown Corporation]
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LOG100 General Description
·The LOG100 uses advanced integrated circuit technologies to achieve high accuracy, ease of use, low cost, and small size. It is the logical choice for your logarithmic-type computations. The amplifier has guaranteed maximum error specifications over the full sixdecade input range (1nA to 1mA) and for all possible combinations of I1 and I2. Total error is guaranteed so that involved error computations are not necessary.
·The circuit uses a specially designed compatible thinfilm monolithic integrated circuit which contains amplifiers, logging transistors, and low drift thin-filmresistors. The resistors are laser-trimmed for maximum
precision. FET input transistors are used for the amplifiers whose low bias currents (1pA typical) permit signal currents as low as 1nA while maintaining guaranteed total errors of 0.37% FSO maximum.
·Because scaling resistors are self-contained, scale factors of 1V, 3V or 5V per decade are obtained simply by pin selections. No other resistors are required for log ratio applications. The LOG100 will meet its guaranteed accuracy with no user trimming.
·Provisions are made for simple adjustments of scale factor, offset voltage, and bias current if enhanced performance is desired.
·The circuit uses a specially designed compatible thinfilm monolithic integrated circuit which contains amplifiers, logging transistors, and low drift thin-filmresistors. The resistors are laser-trimmed for maximum
precision. FET input transistors are used for the amplifiers whose low bias currents (1pA typical) permit signal currents as low as 1nA while maintaining guaranteed total errors of 0.37% FSO maximum.
·Because scaling resistors are self-contained, scale factors of 1V, 3V or 5V per decade are obtained simply by pin selections. No other resistors are required for log ratio applications. The LOG100 will meet its guaranteed accuracy with no user trimming.
·Provisions are made for simple adjustments of scale factor, offset voltage, and bias current if enhanced performance is desired.
LOG100 Maximum Ratings
Supply ................................................................................................ ±18V
Internal Power Dissipation .............................................................. .600mV
Input Current ..................................................................................... 10mA
Input Voltage Range .......................................................................... ±18V
Storage Temperature Range ........................................... ..40 to +85
Lead Temperature (soldering, 10s) ............................................... ..+300
Output Short-circuit Duration .................................. .Continuous to ground
Junction Temperature ........................................................................ 175
Internal Power Dissipation .............................................................. .600mV
Input Current ..................................................................................... 10mA
Input Voltage Range .......................................................................... ±18V
Storage Temperature Range ........................................... ..40 to +85
Lead Temperature (soldering, 10s) ............................................... ..+300
Output Short-circuit Duration .................................. .Continuous to ground
Junction Temperature ........................................................................ 175
LOG100 Features
·ACCURACY
0.37% FSO max Total Error
Over 5 Decades
·LINEARITY
0.1% max Log Conformity
Over 5 Decades
·EASY TO USE
Pin-selectable Gains
Internal Laser-trimmed Resistors
·WIDE INPUT DYNAMIC RANGE
6 Decades, 1nA to 1mA
·HERMETIC CERAMIC DIP
LOG100 Typical Application
· LOG, LOG RATIO AND ANTILOG COMPUTATIONS
· ABSORBANCE MEASUREMENTS
· DATA COMPRESSION
·OPTICAL DENSITY MEASUREMENTS
· DATA LINEARIZATION
· CURRENT AND VOLTAGE INPUTS
· ABSORBANCE MEASUREMENTS
· DATA COMPRESSION
·OPTICAL DENSITY MEASUREMENTS
· DATA LINEARIZATION
· CURRENT AND VOLTAGE INPUTS
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