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LM234AP Datasheet(PDF) 3 Page - STMicroelectronics |
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LM234AP Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 16 page LM134-LM234-LM334 Electrical characteristics 3/16 3 Electrical characteristics Tj = +25°C with pulse testing so that junction temperature does not change during testing (unless otherwise specified) Table 2. Electrical characteristics Parameter LM134 - LM234 LM334 Unit Min. Typ. Max. Min. Typ. Max. Set current error (V+ = +2.5V) -(1) 10µA ≤ Iset ≤ 1mA 1mA ≤ Iset ≤ 5mA 2µA ≤ Iset ≤ 10µA 3 5 8 6 8 12 % Ratio of set current to V - current 10µA ≤ Iset ≤ 1mA 1mA ≤ Iset ≤ 5mA 2µA ≤ Iset ≤ 10µA 14 18 14 14 23 14 18 14 14 26 Minimum operating voltage 2µA ≤ Iset ≤ 100µA 100µA ≤ Iset ≤ 1mA 1mA ≤ Iset ≤ 5mA 0.8 0.9 1 0.8 0.9 1 V Average change in set current with input voltage 2µA ≤ Iset ≤ 1mA +1.5V ≤ V+ ≤ +5V +5V ≤ V+ ≤ +40V 1mA ≤ Iset ≤ 5mA +1.5V ≤ V+ ≤ +5V +5V ≤ V+ ≤ +40V 0.02 0.01 0.03 0.02 0.05 0.03 0.02 0.01 0.03 0.02 0.1 0.05 % / V Temperature dependence of set current - (2) 25µA ≤ Iset ≤ 1mA 0.96 T T 1.04 T 0.96 T T 1.04 T Effective shunt capacitance 15 15 pF 1. The set current is the current flowing into the V+ pin. It is determined by the following formula: Iset = 67.7mV/Rset (Tj = +25°C) The set current error is expressed as a percent deviation from this amount. 2. Iset is directly proportional to absolute temperature (°K). Iset at any temperature can be calculated from Iset = Io (T/To) where Io is Iset measured at To (°K). |
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