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SGM8044 Datasheet(PDF) 4 Page - SG Micro Corp |
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SGM8044 Datasheet(HTML) 4 Page - SG Micro Corp |
4 / 10 page 670nA, Quad Rail-to-Rail I/O Operational Amplifier 4 SGM8044 SG Micro Corp www.sg-micro.com ELECTRICAL CHARACTERISTICS +VS = +1.4V to +5.0V, -VS = GND, TA = +25°C, VCM = +VS/2, VOUT ≈ +VS/2 and RL = 1MΩ to +VS/2, CL = 60pF (1), unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS AC ELECTRICAL CHARACTERISTICS +VS = 1.4V 13.5 +VS = 2.5V 14.5 Gain-Bandwidth Product (GBP) +VS = 5.0V 15 kHz +VS = 1.4V, VOUT = 1V Step 3.0 +VS = 2.5V, VOUT = 1V Step 3.1 Slew Rate (SR) +VS = 5.0V, VOUT = 2V Step 3.4 V/ms Phase Margin (PM) +VS = 1.4V to 5.5V 60 ° +VS = 1.4V, f = 0.1Hz to 10Hz 3.5 +VS = 2.5V, f = 0.1Hz to 10Hz 3.4 Input Voltage Noise (en p-p) +VS = 5.0V, f = 0.1Hz to 10Hz 3.2 µVP-P +VS = 1.4V, f = 1kHz 205 +VS = 2.5V, f = 1kHz 185 Input Voltage Noise Density (en) +VS = 5.0V, f = 1kHz 190 nV/ HZ NOTE1: Refer to Figure 1 and Figure 2. TEST CIRCUITS The test circuits used for the DC and AC tests are shown in Figure 1 and Figure 2. The bypass capacitors are laid out according to the rules discussed in “Supply Bypass”. SGM8044 + RF VOUT +VS RL CL 1μF 0.1μF RG RN +VS/2 VIN +VS/2 1 4 Figure 1. AC and DC Test Circuit for Most Non-Inverting Gain Conditions. SGM8044 + RF VOUT +VS RL CL 1µF 0.1µF RG RN +VS/2 VIN +VS/2 1 4 Figure 2. AC and DC Test Circuit for Most Inverting Gain Conditions. |
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