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MCP6H81 データシート(PDF) 5 Page - Microchip Technology |
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MCP6H81 データシート(HTML) 5 Page - Microchip Technology |
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5 / 42 page ![]() 2012 Microchip Technology Inc. DS22320B-page 5 MCP6H81/2/4 1.2 Test Circuits The circuit used for most DC and AC tests is shown in Figure 1-1. This circuit can independently set VCM and VOUT (refer to Equation 1-1). Note that VCM is not the circuit’s common mode voltage ((VP +VM)/2), and that VOST includes VOS plus the effects (on the input offset error, VOST) of temperature, CMRR, PSRR and AOL. EQUATION 1-1: FIGURE 1-1: AC and DC Test Circuit for Most Specifications. TEMPERATURE SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, VDD = +3.5V to +12V and VSS = GND. Parameters Sym Min Typ Max Units Conditions Temperature Ranges Operating Temperature Range TA -40 — +125 °C Note 1 Storage Temperature Range TA -65 — +150 °C Thermal Package Resistances Thermal Resistance, 8L-SOIC JA —149.5 — °C/W Thermal Resistance, 8L-2x3 TDFN JA —52.5 — °C/W Thermal Resistance, 14L-SOIC JA —95.3 — °C/W Thermal Resistance, 14L-TSSOP JA — 100 — °C/W Note 1: The internal junction temperature (TJ) must not exceed the absolute maximum specification of +150°C. G DM R F RG = V CM V P V DD 2 + 2 = V OUT V DD 2 V P V M – V OST 1G DM + ++ = Where: GDM = Differential Mode Gain (V/V) VCM = Op Amp’s Common Mode Input Voltage (V) VOST = Op Amp’s Total Input Offset Voltage (mV) V OST V IN – V IN+ – = VDD RG RF VOUT VM CB2 CL RL VL CB1 100 k 100 k RG RF VDD/2 VP 100 k 100 k 60 pF 10 k 1µF 100 nF VIN– VIN+ CF 6.8 pF CF 6.8 pF MCP6H8X |
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