HIGH PERFORMANCE DUAL OPERATIONAL AMPLIFIERS POWER CONSUMPTION SH

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HIGH PERFORMANCE DUAL OPERATIONAL AMPLIFIERS POWER CONSUMPTION SH

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LS204
HIGH PERFORMANCE DUAL OPERATIONAL AMPLIFIERS
POWER CONSUMPTION SHORT CIRCUIT PROTECTION DISTORTION, NOISE HIGH GAIN-BANDWIDTH PRODUCT HIGH CHANNEL SEPARATION
DIP8 (Plastic Package)
(Plastic Micropackage)
DESCRIPTION LS204 high performance dual operational amplifier with frequency phase compensation built intothe chip. internal phasecompensation allows stable operation voltage follower spite high Gain-Bandwidth Product. circuit presents very stable electrical characteristics over entire supply voltage range, particularlyintended professional telecom applications (active filter, etc). CONNECTIONS (top view)
ORDER CODES
Part Number LS204C LS204I Temperature Range +70oC -40, +105
Package
Output Inve rting Input Non-inve rting Input
Output Non-inve rting Input Inve rting Input
April 1998
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LS204
SCHEMATIC DIAGRAM (1/2 LS204)
ABSOLUTE MAXIMUM RATINGS
Symbol Toper Ptot Tstg Supply Voltage Input Voltage Differential Input Voltage Operating Temperature Range Power Dissipation Tamb 70oC Junction Temperature Storage Temperature Range LS204C LS204I Parameter Value ±VCC (VCC +105 +150
Unit
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LS204
ELECTRICAL CHARACTERISTICS (VCC ±15V, Tamb 25oC, unless otherwise specified)
Symbol Parameter Supply Current Input Bias Current Tmin. Tmax. Input Resistance Input Offset Voltage 1kHz Tmin. Tmax. DVio DIio Input Offset Voltage Drift Input Offset Current Tmin. Tmax. Input Offset Current Drift Output Short Circuit Current Large Signal Voltage Gain Tmin. Tmax. ±15V 100kHz 1kHz 20dB 2VPP 1kHz ±15V 10kHz Unity Gain, Tmin. Tmax. 100Hz Tmin. Tmax. 1kHz Tmin. Tmax. 0.08 0.03 Tmin. Tmax. 0.03 V/µs Test Conditions LS204I Min. Typ. Max.
LS204C Min. Typ. Max.
Unit
Gain-Bandwidth Product Equivalent Input Noise Voltage
±Vopp Vopp /VO2
Total Harmonic Distortion Output Voltage Swing Large Signal Voltage Swing Slew Rate Common Mode Rejection Ratio Supply Voltage Rejection Ratio Channel Separation
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LS204
APPLICATION INFORMATION Active low-pass filter BUTTERWORTH Butterworth "maximally flat" amplitude response filter (figure Butterworth filters used filtering signals data acquisition systems prevent aliasing errors samples-data applications general purpose low-pass filtering. cut-off frequency frequency which amplitude response down 3dB. attenuation rate beyond cutoff frequency octave frequency where order (number poles) filter. Other characteristics Flattest possible amplitude response Excellent gain accuracy frequency passband cut-off frequency defined frequency which phase shift half this value. accurate delay, cut-off frequency should twice maximum signal frequency. following table used obtain -3dB frequency filter.
Pole Pole 0.67fc Pole 0.57fc Pole 0.50fc
-3dB Frequency
0.77fc
Other characteristics Selectivity great Chebyschev Butterworth Very little overshoot response step inputs Fast rise time CHEBYSCHEV Chebyschev filters have greater selectivity than either Bessel Butterworth expense ripple passband (figure 11). Chebyschev filters normally designed with peak-to-peak ripple values from 0.2dB 2dB. Increased ripple passband allows increased attenuation above cut-off frequency. cut-off frequency defined frequency which amplitude response passes through specificed maximum ripple band enters stop band. Other characteristics Greater selectivity Very non-linear phase response High overshoot response step inputs
BESSEL Bessel type "linear phase" filter. Because their linear phase characteristics, these filters approximate constant time delay over limited frequency range. Bessel filters pass transient waveforms with minimum distortion. They also used provide time delays pass filtering modulated waveforms "running average" type filter. maximum phase shift radians where order (number poles) filter.
table below shows typical overshoot settling time response pass filters step input. Number Poles Butterworth Peak Overshoot Overshoot Settling Time final value) 1.1Fcsec. 1.7/fc 2.4/fc 3.1/fc 0.8/fc 1.0/fc 1.3/fc 1.6/fc 1.1/fc 3.0/fc 5.9/fc 8.4/fc 1.6/fc 4.8/fc 8.2/fc 11.6/fc ±0.1% 1.7Fcsec. 2.8/fc 3.9/fc 5.1/fc 1.4/fc 1.8/fc 2.1/fc 2.3/fc 1.6/fc 5.4/fc 10.4/fc 16.4/fc 2.7/fc 8.4/fc 16.3/fc 24.8/fc ±0.01% 1.9Fcsec. 3.8/fc 5.0/fc 7.1/fc 1.7/fc 2.4/fc 2.7/fc 3.2/fc
Bessel
Chebyschev (ripple ±0.25dB)
Chebyschev (ripple ±1dB)
Design order active pass filter (Sallen configuration unity gain-op-amp)
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LS204
PACKAGE MECHANICAL DATA PINS PLASTIC
Dim.
Millimeters Min. 0.51 1.15 0.356 0.204 7.95 2.54 7.62 7.62 5.08 3.18 3.81 1.52 0.125 1.65 0.55 0.304 10.92 9.75 0.313 Typ. 3.32 0.020 0.045 0.014 0.008 Max. Min.
Inches Typ. 0.131 0.065 0.022 0.012 0.430 0.384 0.100 0.300 0.300 0260 0.200 0.150 0.060 Max.
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LS204
PACKAGE MECHANICAL DATA PINS PLASTIC MICROPACKAGE (SO)
Dim.
Min. 0.65 0.35 0.19 0.25
Millimeters Typ.
Max. 1.75 0.25 1.65 0.85 0.48 0.25 (typ.)
Min. 0.004 0.026 0.014 0.007 0.010 0.189 0.228
Inches Typ.
Max. 0.069 0.010 0.065 0.033 0.019 0.010 0.020 0.197 0.244
1.27 3.81 1.27 (max.)
0.050 0.150 0.150 0.016 0.157 0.050 0.024
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without noti This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized critical components life support devices systems without express written approval SGS-THOMSON Microelectronics. 1998 SGS-THOMSON Microelectronics Printed Italy Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil Canada China France Germany Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A.
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HIGH PERFORMANCE DUAL OPERATIONAL AMPLIFIERS POWER CONSUMPTION SH

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