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SEA01 датащи(PDF) 6 Page - STMicroelectronics |
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SEA01 датащи(HTML) 6 Page - STMicroelectronics |
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6 / 24 page ![]() Absolute maximum ratings SEA01 6/24 DocID024452 Rev 1 Output stage VOUT1- 2low Low output level @ 2 mA sink current 200 mV (1) 400 Trimming functions VClockLOW Clock input low level 0.8 V VClockHI(6) Clock input high level 2 3.45 V CClock Clock input capacitance 5 pF fClock Clock frequency 100 KHz VDataLOW (6) Data input low level 0.8 V VDataHI Data input high level 2 3.45 V CData Data input capacitance 5 pF Vcczap PROM zapping voltage 17 20 V IZAP PROM zapping current Vcc= 19 V 50 90 mA tZAP PROM zapping time Vcc= 19 V 34 45 ms VrefV Trimming range Referred to 0% trimming -3 3 % ΔVrefV Trimming step 0.2 % VrefI Trimming range Referred to 0% trimming -50 50 % ΔVrefI Trimming step 3.3 % Temperature stability ΔVrefV ΔVrefI Voltage reference deviation over temperature range -25 °C < Tamb < 105 °C 0.3% 1. Specification referred to -25 °C < Tamb < 105 °C. 2. With VOUT1 > 3 V, If the voltage on Vctrl (the inverting input of the amplifier) is higher than the non-inverting input (VrefV), and it is increased by 1 mV, the sink current at the output Out1 will be increased by 19 mA. 3. The internal voltage reference is set to VrefV. The voltage control loop precision takes into account the cumulative effects of the internal voltage reference deviation as well as the input offset voltage of the transconductance operational amplifier. 4. When the inverting input at Isense is greater than 30 mV, and the voltage is increased by 1mV, the sinking current at the output Out2 will be increased by 22 mA (please take into account the internal current limit typ 28 mA). 5. The internal current sense threshold is triggered when the voltage on the Isense pin is VrefI. The current control loop precision takes into account the cumulative effects of the internal voltage reference deviation as well as the input offset voltage of the transconductance operational amplifier. Please note that this value can be trimmed with a resolution of 1 mV. 6. The Data and Clock pins are connected to an internal bus at 3.3 V. Table 4. Electrical characteristics (continued) (Tj = 25 °C,Vcc = 12 V; unless otherwise specified ) Symbol Parameter Test condition Min. Typ. Max. Unit |
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