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MCP655T Datasheet(PDF) 3 Page - Microchip Technology |
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MCP655T Datasheet(HTML) 3 Page - Microchip Technology |
3 / 44 page © 2009 Microchip Technology Inc. DS22146A-page 3 MCP651/2/5 1.0 ELECTRICAL CHARACTERISTICS 1.1 Absolute Maximum Ratings † VDD –VSS .......................................................................6.5V Current at Input Pins ....................................................±2 mA Analog Inputs (VIN+ and VIN–) †† . VSS – 1.0V to VDD +1.0V All other Inputs and Outputs .......... VSS – 0.3V to VDD +0.3V Difference Input voltage ...................................... |VDD –VSS| Output Short Circuit Current ................................ Continuous Current at Output and Supply Pins ..........................±150 mA Storage Temperature ...................................-65°C to +150°C Max. Junction Temperature ........................................ +150°C ESD protection on all pins (HBM, MM) ................≥ 1 kV, 200V † Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. †† See Section 4.2.2 “Input Voltage and Current Limits”. 1.2 Specifications TABLE 1-1: DC ELECTRICAL SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +2.5V to +5.5V, VSS = GND, VCM = VDD/3, VOUT ≈ VDD/2, VL = VDD/2, RL = 1 kΩ to VL and CAL/CS =VSS (refer to Figure 1-2). Parameters Sym Min Typ Max Units Conditions Input Offset Input Offset Voltage VOS -200 — +200 µV After calibration (Note 1) Input Offset Voltage Trim Step VOSTRM — 37 200 µV Input Offset Voltage Drift ΔVOS/ΔTA —±2.5 — µV/°C TA= -40°C to +125°C Power Supply Rejection Ratio PSRR 61 76 — dB Input Current and Impedance Input Bias Current IB —6 — pA Across Temperature IB — 130 — pA TA= +85°C Across Temperature IB — 1700 5,000 pA TA= +125°C Input Offset Current IOS —±1 — pA Common Mode Input Impedance ZCM —1013||9 — Ω||pF Differential Input Impedance ZDIFF —1013||2 — Ω||pF Common Mode Common-Mode Input Voltage Range VCMR VSS − 0.3 — VDD − 1.3 V (Note 2) Common-Mode Rejection Ratio CMRR 65 81 — dB VDD = 2.5V, VCM = -0.3 to 1.2V CMRR 68 84 — dB VDD = 5.5V, VCM = -0.3 to 4.2V Open-Loop Gain DC Open-Loop Gain (large signal) AOL 88 114 — dB VDD = 2.5V, VOUT = 0.3V to 2.2V AOL 94 123 — dB VDD = 5.5V, VOUT = 0.3V to 5.2V Output Maximum Output Voltage Swing VOL, VOH VSS +25 — VDD − 25 mV VDD = 2.5V, G = +2, 0.5V Input Overdrive VOL, VOH VSS +50 — VDD − 50 mV VDD = 5.5V, G = +2, 0.5V Input Overdrive Output Short Circuit Current ISC ±50 ±95 ±145 mA VDD = 2.5V (Note 3) ISC ±50 ±100 ±150 mA VDD = 5.5V (Note 3) Note 1: Describes the offset (under the specified conditions) right after power up, or just after the CAL/CS pin is toggled. Thus, 1/f noise effects (an apparent wander in VOS; see Figure 2-35) are not included. 2: See Figure 2-6 and Figure 2-7 for temperature effects. 3: The ISC specifications are for design guidance only; they are not tested. |
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