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| LF147 - LF247 LF347 WIDE BANDWIDTH QUAD J-FET OPERATIONAL AMPLIFIERS .LOWPOWERCONSUMPTI .WI .LOWI .OUTPUTSHORT.HI .I .LATCHUPFREEOPERATI .HI ON DE COMMON-MODE (UP TO VCC+) AND DIFFERENTIAL VOLTAGE RANGE NPUT BIAS AND OFFSET CURRENT CIRCUIT PROTECTION GH INPUT IMPEDANCE J-FET INPUT STAGE NTERNAL FREQUENCY COMPENSATION ON GH SLEW RATE : 16V/s (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 100 100 30k 200 Output 8.2k 1.3k VCC 35k 1.3k 35k 100 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-. 2. Differential voltages are at the non-inverting input terminal with respect to the inverting input terminal. 3. The magnitude of the input voltage must never exceed the magnitude of the supply voltage or 15 volts, whichever is less. 4. The output may be shorted to ground or to either supply. Temperature and /or supply voltages must be limited to ensure that the dissipation rating is not exceeded. 2/10 LF147 - LF247 - LF347 ELECTRICAL CHARACTERISTICS VCC = 15V, Tamb = 25oC (unless otherwise specified) Symbol Vio Parameter Input Offset Voltage (RS = 10k) o Tamb = 25 C Tmin. Tamb Tmax. Input Offset Voltage Drift Input Offset Current * Tamb = 25oC Tmin. Tamb Tmax. Input Bias Current * Tamb = 25oC Tmin. Tamb Tmax. Large Signal Voltage Gain (R L = 2k, VO = 10V) o Tamb = 25 C Tmin. Tamb Tmax. Supply Voltage Rejection Ratio (RS = 10k) Tamb = 25oC Tmin. Tamb Tmax. Supply Current, per Amp, no Load o Tamb = 25 C Tmin. Tamb Tmax. Input Common Mode Voltage Range Common Mode Rejection Ratio (RS = 10k) o Tamb = 25 C Tmin. Tamb Tmax. Output Short-circuit Current o Tamb = 25 C Tmin. Tamb Tmax. Output Voltage Swing Tamb = 25oC Tmin. Tamb Tmax. SR tr KOV GBP Ri THD en m VO1/VO2 RL RL RL RL = = = = 2k 10k 2k 10k 11 50 25 80 80 Min. Typ. 3 10 5 100 4 200 20 Max. 10 13 V/ C pA nA pA nA V/mV 200 dB 86 mA 1.4 +15 -12 86 mA 10 10 10 12 10 12 12 40 60 60 V 12 13.5 2.7 2.7 V dB 70 70 o Unit mV DVio Iio Iib 20 Avd SVR ICC Vicm CMR Ios VOPP Slew Rate (Vi = 10V, RL = 2k, CL = 100pF, Tamb = 25oC, unity gain) Rise Time o (Vi = 20mV, RL = 2k, C L = 100pF, Tamb = 25 C, unity gain) Overshoot (Vi = 20mV, RL = 2k, C L = 100pF, Tamb = 25oC, unity gain) Gain Bandwidth Product o (f = 100kHz,T amb = 25 C, Vin = 10mV, RL = 2k, C L = 100pF) Input Resistance Total Harmonic Distortion (f = 1kHz, AV = 20dB, R L = 2k, o C L = 100pF, Tamb = 25 C, VO = 2VPP) Equivalent Input Noise Voltage (f = 1kHz, R s = 100) Phase Margin Channel Separation (Av = 100) V/s 16 s 0.1 % 10 MHz 2.5 4 10 12 % 0.01 15 45 120 nV Hz Degrees dB * The input bias currents are junction leakage currents which approximately double for every 10oC increase in the junction temperature. 3/10 LF147 - LF247 - LF347 MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE VERSUS FREQUENCY 30 MAXIMUM PEAK-TO-PEAKOUTPUT VOLTAGE (V) V CC = 25 20 V CC = 15 10 5 0 100 10V 15V R L = 2k T a m b = + 25 C S ee Fig ure 2 MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE VERSUS FREQUENCY MAXIMUMPEAK-TO-PEAK OUTPUT VOLTAGE (V) 30 25 20 15 10 5 0 100 1K 10K 100K 1M 10M V CC = 5V V CC = 15V VCC = 10V R L= 10k Tamb = +25 C See Figure 2 V CC = 5V 1K 10K 100K 1M 10M FREQUENCY (Hz) FREQUENCY (Hz) MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE VERSUS FREQUENCY MAXIMUMPEAK-TO-PEAK OUTPUT VOLTAGE (V) 30 MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE VERSUS FREE AIR TEMP. Ta mb = +25 C 25 20 15 VCC = 15V MAXIMUM PEAK-TO-PEAKOUTPUT VOLTAGE (V) 30 25 20 R L = 2k S ee Figure 2 R 15 10 5 0 -7 5 -5 0 - 25 0 25 50 L L = 1 0 k = 2 k Ta mb = -55 C 10 5 0 R VC C = 15 V Ta mb = +125 C 10k 40k 100k 400k 1M 4M 10M S e e F i g u re 2 75 -50 125 FREQUENCY (Hz) T E MP ER AT U R E ( C ) MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE VERSUS LOAD RESISTANCE MAXIMUM PEAK-TO-PEAKOUTPUT VOLTAGE (V) 30 25 20 15 10 5 0 0.1 0.2 0.4 0.7 1 2 4 7 10 VCC = 15V Tamb = +25C See Figure 2 MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE VERSUS SUPPLY VOLTAGE MAXIMUM PEAK-TO-PEAKOUTPUT VOLTAGE (V) 30 25 RL = 10 k Tamb = +25C 20 15 10 5 0 2 4 6 8 10 12 SUPPLY VOLTAGE ( V) 14 16 LOAD RESISTANCE (k ) 4/10 LF147 - LF247 - LF347 INPUT BIAS CURRENT VERSUS FREE AIR TEMPERATURE LARGE SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION VERSUS FREE AIR TEMPERATURE 1000 100 V CC = INPUT BIAS CURRENT (nA) 10 15V DIFFERENTIAL VOLTAGE AMPLIFICATION (V/V) 400 200 100 40 20 10 4 2 1 -75 V CC = VO = R L 1 15V 10V 0.1 = 2k 0.01 -50 -25 0 25 50 75 100 125 -50 -25 0 25 50 75 100 125 TEMPERATURE (C) TEMPERATURE (C) LARGE SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION AND PHASE SHIFT VERSUS FREQUENCY TOTAL POWER DISSIPATION VERSUS FREE AIR TEMPERATURE 250 DIFFERENTIAL VOLTAGE AMPLIFICATION(V/V) 100 PHASE SHIFT (right s ca le ) DIFFERENTIAL VOLTAGE AMPLIFICATION (left s ca le) 180 TOTAL POWER DISSIPATION (mW) 225 200 175 150 125 100 75 50 25 0 -75 -50 -25 0 25 50 V CC = No signal No load 15V 10 90 1 100 R = 2k L C L = 100pF V CC = 15V T amb = +125 C 1K 10K 100K 1M 10M FREQUENCY (Hz) 0 75 100 125 TEMPERATURE (C) SUPPLY CURRENT PER AMPLIFIER VERSUS FREE AIR TEMPERATURE 2.0 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 -75 -50 -25 0 25 50 75 100 125 TEMPERATURE (C) No signal No load COMMON MODE REJECTION RATIO VERSUS FREE AIR TEMPERATURE 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 0 T mb = +25 C a No s igna l No loa d SUPPLY CURRENT (mA) 1.8 SUPPLY CURRENT (mA) V CC = 15V 2 4 6 8 10 12 14 16 SUP PLY VOLTAGE (V) 5/10 LF147 - LF247 - LF347 COMMON MODE REJECTION RATIO VERSUS FREE AIR TEMPERATURE 89 COMMON MODE MODE REJECTION RATIO (dB) 88 87 86 85 84 83 -75 VOLTAGE FOLLOWER LARGE SIGNAL PULSE RESPONSE INPUT AND OUTPUT VOLTAGES (V) 6 4 2 0 -2 -4 -6 0 VCC = 15V R L = 2 k C L= 100pF Tam b = +25 C R L = 1 0 k VC C= 1 5V OUTP UT INPUT -50 -25 0 25 50 75 100 125 0.5 1 1.5 2 2.5 3 3.5 TEMPERATURE (C) TIME (s ) OUTPUT VOLTAGE VERSUS ELAPSED TIME 28 24 OUTPUT VOLTAGE (mV) OVERSHOOT EQUIVALENT INPUT NOISE VOLTAGE VERSUS FREQUENCY 70 60 EQUIVALENT INPUT NOISE VOLTAGE (nV/VHz) VCC = 15V A V = 10 R S = 100 T amb = +25C 20 16 12 8 4 10% 90% 50 40 30 20 10 0 10 40 100 400 1k 4k V CC = 15V R L = 2k t r 0 -4 0 0.1 0.2 0.3 0.4 Tamb = +25C 0.5 0.6 0.7 10k 40k 100k TIME ( s) FREQUENCY (Hz) TOTAL HARMONIC DISTORTION VERSUS FREQUENCY 1 TOTAL HARMONIC DISTORTION (%) 0.4 0.1 0.04 0.01 0.004 0.001 100 400 1k 4k 10k 40k 100k FREQUENCY (Hz) V V = = 15V 15V CC CC AA V = 1 V =1 V V (rms) = = 6V O O (rms) 6V T amb = = +25C T amb +25C 6/10 LF147 - LF247 - LF347 PARAMETER MEASUREMENT INFORMATION Figure 1 : Voltage Follower Figure 2 : Gain-of-10 Inverting Amplifier 10k LF347 1k 1/4 eI LF347 eo 1/4 eo RL eI CL= 100pF RL = 2k CL= 100pF TYPICAL APPLICATIONS AUDIO DISTRIBUTION AMPLIFIER fO = 100kHz 1/4 1M 1 F Inp ut 100k 100k 100k + VCC 100k 1/4 LF347 LF347 Output A 1/4 LF347 Output B 100 F 1/4 LF347 Output C 7/10 LF147 - LF247 - LF347 TYPICAL APPLICATIONS (continued) POSITIVE FEEDBACK BANDPASS FILTER 16k 220pF 220pF 16k 43k 43k Input 220pF 43k 30k 43k 220pF 1/4 LF347 1/4 LF347 30k 43k 1/4 LF347 - 43k 1/4 LF347 1.5k 1.5k Output B Ground Output A OUTPUT A OUTPUT B SECOND ORDER BANDPASS F ILT ER fo = 100kHz ; Q = 30 ; G ain = 16 CASCADED BANDPASS F IL TER fo = 100kHz ; Q = 69 ; Gain = 16 8/10 LF147 - LF247 - LF347 PACKAGE MECHANICAL DATA 14 PINS - PLASTIC DIP Dimensions a1 B b b1 D E e e3 F i L Z Min. 0.51 1.39 Millimeters Typ. Max. 1.65 Min. 0.020 0.055 Inches Typ. Max. 0.065 0.5 0.25 20 8.5 2.54 15.24 7.1 5.1 3.3 1.27 2.54 0.050 0.020 0.010 0.787 0.335 0.100 0.600 0.280 0.201 0.130 0.100 DIP14.TBL 9/10 PM-DIP14.EPS LF147 - LF247 - LF347 PACKAGE MECHANICAL DATA 14 PINS - PLASTIC MICROPACKAGE (SO) Dimensions A a1 a2 b b1 C c1 D E e e3 F G L M S Min. 0.1 0.35 0.19 Millimeters Typ. Max. 1.75 0.2 1.6 0.46 0.25 45 (typ.) o Min. 0.004 0.014 0.007 Inches Typ. Max. 0.069 0.008 0.063 0.018 0.010 0.5 8.55 5.8 1.27 7.62 3.8 4.6 0.5 4.0 5.3 1.27 0.68 8 (max.) o 0.020 8.75 6.2 0.336 0.228 0.050 0.300 0.150 0.181 0.020 0.157 0.208 0.050 0.027 0.334 0.244 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publ ication are subject to change without notice. This pub lication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. ORDER CODE : (c) 1997 SGS-THOMSON Microelectronics - Printed in Italy - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdo m - U.S.A. 10/10 SO14.TBL PM-SO14.EPS |
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