Datenblatt-Suchmaschine für elektronische Bauteile |
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UC2838A Datenblatt(PDF) 3 Page - Texas Instruments |
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UC2838A Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 12 page UC2838, UC2838A UC3838, UC3838A SLUS221A – APRIL 2000 – REVISED MAY 2001 3 www.ti.com electrical characteristics, TA = –20°C to 85°C for the UC2838/A, and TA = 0°C to 70°C for the UC3838/A, VCC = 20 V, VM = 5 V, TA = TJ, (unless otherwise stated) reference PARAMETER TEST CONDITIONS UC2838/UC2838A UC3838/UC3838A UNITS PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Supply current VCC = VM = 40 V 4 8 4 8 mA Reference output TA = 25°C 2.47 2.50 2.53 2.45 2.50 2.55 V Line regulation VCC = 5 V to 30 V 1 5 1 10 mV Load regulation IO = 0 mA to –2 mA 5 20 5 20 mV Short-circuit current VREF = 0 V –30 –60 –30 –60 mA Temperature stability See Note 1 15 25 10 25 mV NOTE: 1.These parameters are ensured by design but not 100% tested in production. amplifier (each amplifier) PARAMETER TEST CONDITIONS UC2838/UC2838A UC3838/UC3838A UNITS PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Offset voltage VCM = 2.5 V 5 10 mV Input bias current VIN = 0 V –1 –1 µA Input offset voltage 100 100 nA Minimum output swing 0.4 18 0.4 18 V Output sink current VO = 5 V 1 10 30 1 10 30 mA Output source current VO = 0 V –1 –10 –20 –1 –10 –20 mA AVOL (open loop gain) VO = 1 V to 11 V 100 120 100 120 dB CMRR (common mode rejection ra- tio) VIN = 1 V to 11 V 70 80 70 80 dB PSRR (power supply rejection ratio) VCC = 10 V to 20 V 70 100 70 100 dB Gain bandwidth See Note 1 0.6 0.8 0.6 0.8 MHz NOTE: 1.These parameters are ensured by design but not 100% tested in production. reset drive PARAMETER TEST CONDITIONS UC2838/UC2838A UC3838/UC3838A UNITS PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Input leakage VDR = 40 V 10 10 µA Output leakage VR = –120 V –100 –100 µA Input current IR = –50 mA –1 –2 –1 –2 mA Maximum reset current IDR = –3 mA –100 –120 –200 –100 –120 –200 mA Transconductance IR = –10 mA to –50 mA 0.03 0.042 0.055 0.03 0.042 0.055 A/V |
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