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LM4041BEM3-1.2-T Datasheet(PDF) 3 Page - Maxim Integrated Products |
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LM4041BEM3-1.2-T Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 7 page Improved Precision Micropower Shunt Voltage Reference _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (IR = 100µA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) Note 1: All devices are 100% production tested at +25°C and are guaranteed by design for TA = TMIN to TMAX, as specified. Note 2: The overtemperature limit for Reverse Breakdown Voltage Tolerance is defined as the room-temperature Reverse Breakdown Voltage Tolerance ±[( ΔVR / ΔT)(maxΔT)(VR)], where ΔVR / ΔT is the VR temperature coefficient, maxΔT is the maximum difference in temperature from the reference point of +25°C to TMIN or TMAX, and VR is the reverse breakdown voltage. The total overtemperature tolerance for the different grades in the temperature range where max ΔT = +65°C is shown below: A grade: ±0.75% = ±0.1% ±100ppm/°C ✕ 65°C B grade: ±0.85% = ±0.2% ±100ppm/°C ✕ 65°C C grade: ±1.15% = ±0.5% ±100ppm/°C ✕ 65°C D grade: ±1.98% = ±1.0% ±150ppm/°C ✕ 65°C The total overtemperature tolerance for the different grades in the extended temperature range where max ΔT = +100°C is shown below: A grade: ±1.1% = ±0.1% ±100ppm/°C ✕ 100°C B grade: ±1.2% = ±0.2% ±100ppm/°C ✕ 100°C C grade: ±1.5% = ±0.5% ±100ppm/°C ✕ 100°C D grade: ±2.5% = ±1.0% ±150ppm/°C ✕ 100°C Therefore, as an example, the A-grade LM4041-1.2 has an overtemperature reverse breakdown voltage tolerance of ±2.5V x 0.75% = ±19mV. Note 3: Guaranteed by design. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Wideband Noise eN IR = 100 μA, 10Hz ≤ f ≤ 10kHz 20 μVRMS Reverse Breakdown Voltage Long-Term Stability ΔVR T = 1000h, IR = 100 μA 120 ppm TEMPERATURE DRIFT TEMPERATURE ( °C) 100 75 50 25 0 -25 -2 -1 0 1 -3 -50 125 REVERSE VOLTAGE vs. CURRENT SOURCE CURRENT (mA) 15 10 5 1 2 3 4 5 6 0 020 TA = +25 °C TA = -40 °C TA = +125 °C TA = +85 °C Typical Operating Characteristics (IR = 100µA, SC70-3 package, TA = +25°C, unless otherwise noted.) 0 20 60 40 80 100 0 0.8 0.4 1.2 1.6 2.0 REVERSE CHARACTERISTICS AND MINIMUM OPERATING CURRENT REVERSE VOLTAGE (V) |
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