LF347M

www.fairchildsemi.com LF347 Quad Operational Amplifier (JFET) Features Description • • • • The LF347 is a high speed quad JFET input operational amplifier. This feature high input impedance, wide bandwidth, high slew rate, and low input offset voltage and bias current. LF347 may be used in circuits requiring high input impedance. High slew rate and wide bandwidth, low input bias current. Low input bias current High input impedance Wide gain bandwidth: 4 MHz Typ. High slew rate: 13 V/µs Typ. 14-DIP 1 14-SOP 1 Internal Block Diagram Rev. 1.0.0 ©2001 Fairchild Semiconductor Corporation LF347 Schematic Diagram (One Section Only) Absolute Maximum Ratings Parameter Supply Voltage Differential Input Voltage Value Unit VCC ±18 V VI(DIFF) 30 V Input Voltage Range VI ±15 V Output Short Circuit Duration - Continuous - PD 570 mW Operating Temperature Range TOPR 0 ~ + 70 °C Storage Temperature Range TSTG -65 ~ + 150 °C Power Dissipation 2 Symbol LF347 Electrical Characteristics (VCC= +15V, VEE= -15V, TA=25 °C, unless otherwise specified) Parameter Input Offset Voltage Input Offset Voltage Drift(Note2) Input Offset Current Input Bias Current Large Signal Voltage Gain Symbol VIO ∆VIO/∆T Conditions RS = 10KΩ Note 1 RS = 10KΩ IIO Note 1 IBIAS GV Output Voltage Swing VO(PP) Input Voltage Range VI(R) Note 1 RL = 2KΩ VO(P-P)= ±10V RL = 10KΩ - Note 1 LF347 Unit Min. Typ. Max. - 5 10 - - 13 - 10 - µV/ °C - 25 100 pA - - 4 nA - 50 200 pA nA mV - - 8 25 100 - 15 - - ±12 ±13.5 - V ±11 +15 -12 - V V/mV Common-Mode Rejection Ratio CMRR RS ≤ 10KΩ 80 100 - dB Power Supply Rejection Ratio PSRR RS ≤ 10KΩ 80 100 - dB 12 - Ω Input Resistance Supply Current Slew Rate Gain Bandwidth Product(Note2) Channel Seperation RI - - 10 ICC - - 7.2 11 mA SR - - 13 - V/µS GBW - - 4 - MHz dB CS f = 1Hz ~ 20Khz (input referenced) - 120 - Equivalent Input Noise Voltage eN RS = 100Ω f = 1KHz - 20 - Equivalent Input Noise Current IN f = 1KHz - 0.01 - nV/ Hz pA/ Hz Note : 1. LF347 : 0≤TA≤+70 °C 2. Guaranteed by design 3 LF347 Mechanical Dimensions Package Dimensions in millimeters 2.08 ) 0.082 14-DIP 7.62 0.300 3.25 ±0.20 0.128 ±0.008 5.08 MAX 0.200 +0.10 0.25 –0.05 0~15° 4 +0.004 0.010 –0.002 1.50 ±0.10 0.059 ±0.004 #8 2.54 0.100 #7 19.40 ±0.20 0.764 ±0.008 #14 19.80 MAX 0.780 #1 0.46 ±0.10 0.018 ±0.004 ( 6.40 ±0.20 0.252 ±0.008 0.20 0.008 MIN 3.30 ±0.30 0.130 ±0.012 LF347 Mechanical Dimensions (Continued) Package Dimensions in millimeters 14-SOP MIN #8 0.60 ±0.20 0.024 ±0.008 MAX0.10 MAX0.004 1.80 MAX 0.071 5.72 0.225 8° 3.95 ±0.20 0.156 ±0.008 0~ +0.10 0.20 -0.05 +0.004 0.008 -0.002 6.00 ±0.30 0.236 ±0.012 1.27 0.050 #7 +0.10 0.406 -0.05 +0.004 0.016 -0.002 #14 8.70 MAX 0.343 #1 8.56 ±0.20 0.337 ±0.008 ( 0.47 ) 0.019 1.55 ±0.10 0.061 ±0.004 0.05 0.002 5 LF347 Ordering Information Product Number Package LF347N 14-DIP LF347M 14-SOP Operating Temperature 0 ~ + 70°C DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com 6/1/01 0.0m 001 Stock#DSxxxxxxxx  2001 Fairchild Semiconductor Corporation