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LM134Z bảng dữ liệu(PDF) 3 Page - STMicroelectronics |
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3 / 10 page ELECTRICAL CHARACTERISTICS Tj = +25 oC with pulse testing so that junction temperature does not change during testing (unless otherwise specified) Parameter LM134 - LM234 LM334 Unit Min. Typ. Max. Min. Typ. Max. Set Current Error (V + = +2.5V) - (note 1) 10 µA ≤ ISET ≤ 1mA 1mA ≤ ISET ≤ 5mA 2 µA ≤ ISET ≤ 10µA 3 5 8 6 8 12 % Ratio of Set Current to V – Current 10 µA ≤ ISET ≤ 1mA 1mA ≤ ISET ≤ 5mA 2 µA ≤ ISET ≤ 10µA 14 18 14 14 23 14 18 14 14 26 Minimum Operating Voltage 2 µA ≤ ISET ≤ 100µA 100 µA ≤ ISET ≤ 1mA 1mA ≤ ISET ≤ 5mA 0.8 0.9 1 0.8 0.9 1 V Average change in set current with input voltage 2 µA ≤ 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 - (note 2) 25 µA ≤ ISET ≤ 1mA 0.96 T T 1.04 T 0.96 T T 1.04 T Effective Shunt Capacitance 15 15 pF Notes : 1. Set current is the current flowing into theV + pin. It is determined by the following formula Iset = 67.7mV/Rset (Tj =+25 oC). Set current error is expressed as a percent deviation from this amount. 2. Iset is directly proportional to absolute temperature ( oK). Iset at any temperature can be calculated from Iset =IO (T/TO) where IO is Iset measured at TO ( oK). LM134-LM234-LM334 3/10 |
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