LM4040 Micrel Semiconductor, LM4040 Datasheet
LM4040
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LM4040 Summary of contents
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... Ideal for space critical applications, the LM4040 and LM4041 precision voltage references are available in the subminia- ture (3mm 1.3mm) SOT-23 surface-mount package. The LM4040 is the available in fixed reverse breakdown voltages of 2.500V, 4.096V and 5.000V. The LM4041 is available with a fixed 1.225V or an adjustable reverse break- down voltage. ...
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... LM4040BIM3-5.0 5.000V LM4040CIM3-5.0 5.000V LM4040DIM3-5.0 5.000V SOT-23 Package Markings Example Field Code 1st Character R = Reference Example: R2C represents Reference, 2.500V, 0.5% (LM4040CIM3-2.5) LM4040/4041 – Pin 3 must float or be connected to pin 2. Fixed Version Adjustable Version SOT-23 (M3) Package SOT-23 (M3) Package ...
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... Functional Diagram LM4041 Adjustable + V REF FB Operating Ratings Temperature Range ( MIN A MAX Reverse Current LM4040-2.5 .......................................... 15mA LM4040-4.1 .......................................... 15mA LM4040-5.0 .......................................... 15mA LM4041-1.2 .......................................... 12mA LM4041-ADJ ........................................ 12mA Output Voltage Range LM4041-ADJ .......................................... 1.24V to 10V 3 Micrel + (Notes 1 and 2) ) .......................... – + LM4040/4041 ...
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... R e Wideband Noise N V Reverse Breakdown Voltage R Long Term Stability LM4040/4041 all other limits The grades and D designate initial Reverse MAX A J LM4040AIM3 LM4040BIM3 LM4040CIM3 Conditions Typical (Note 4) (Note 100 A 2.500 100 10mA 20 ...
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... LM4040/4041 LM4040-4.1 Electrical Characteristics Boldface limits apply for MIN Breakdown Voltage tolerance of 0.1%, 0.2%, 0.5%, and Symbol Parameter V Reverse Breakdown Voltage R Reverse Breakdown Voltage Tolerance I Minimum Operating Current RMIN Average Reverse Breakdown R Voltage Temperature Coefficient Reverse Breakdown Voltage R R Change with Operating ...
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... LM4040/4041 LM4040-5.0 Electrical Characteristics Boldface limits apply for MIN Breakdown Voltage tolerance of 0.1%, 0.2%, 0.5%, and Symbol Parameter V Reverse Breakdown Voltage R Reverse Breakdown Voltage Tolerance I Minimum Operating Current RMIN Average Reverse Breakdown R Voltage Temperature Coefficient Reverse Breakdown Voltage R R Change with Operating ...
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... LM4040/4041 LM4040 Typical Characteristics Temperature Drift for Different Average Temperature Coefficient +0 150µA R +0.4 +0.3 +0.2 12ppm/ C +0.1 0 -0.1 -0.2 -22ppm/ C -0.3 -51ppm/ C -0.4 -0.5 -40 - 100 TEMPERATURE ( C) Reverse Characteristics and Minimum Operating Current 120 100 LM4040-2 January 2000 Output Impedance vs ...
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... Change with Operating Current Change Z Reverse Dynamic Impedance R e Wideband Noise N V Reverse Breakdown Voltage R Long Term Stability LM4040/4041 all other limits The grades and D designate initial Reverse MAX A J 1.0%, respectively. LM4041AIM3 LM4041BIM3 LM4041CIM3 Conditions Typical (Note 4) ...
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... LM4040/4041 Micrel Units (Limit (max) mV (max (max) A (max (max) mV (max (max) mV (max) mV/V mV/V (max) mV/V (max (max) nA (max) ppm/ C ppm/ C (max) ppm/ C (max) ...
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... The maximum power dissipation must be derated at elevated temperatures and is dictated by T (junction to ambient thermal resistance), and – the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4040 and LM4041, MAX JMAX 125 C, and the typical thermal resistance ( JMAX Note 3 ...
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... OUTPUT VOLTAGE (V) Output Impedence vs. Frequency * 1K LM4041-ADJ 1mA 0 100 V = 10V OUT 10 5V 2.5V C =1µF 1.23V 100 1k 10k 100k 1M FREQUENCY (Hz 120k + – * Output Impedance vs. Freq. Test Circuit LM4040/4041 ...
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... When the supply voltage is at its maximum and its minimum, R should be large enough so that L S the current flowing through the LM4040-x.x is less than 15mA, and the current flowing through the LM4041-1.2 or LM4041-ADJ is less than 12mA determined by the supply voltage (V S ...
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... Figure 9. Floating Current Detector 510k + – 1N457 FB FB LM4041-ADJ – 510k 1N457 Figure 6. Bidirectional Clamp 2. 330k + FB – – 1N457 330k Figure 8. Bidirectional Adjustable Clamp 2 470k CMOS Micrel OUT V OUT D2 1N457 LM4041-ADJ LM4040/4041 ...
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... LM4040/4041 1N4002 I THRESHOLD * D1 can be any LED 1.5V to 2.2V at 3mA. D1 may act as an indicator. D1 will falls below the threshold current, except with THRESHOLD LM4040/4041 +15V + FB LM4041-ADJ – 3964 120k 1µA < 100mA OUT 1.24V I = OUT R1 Figure 10. Current Source ...
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... LM4040/4041 Package Information C L 2.36 (0.093) 2.28 (0.090) 3.05 (0.120) 2.67 (0.105) 0.445 (0.0175) TYP 3 PLACES January 2000 1.40 (0.055) 2.50 (0.098) 1.19 (0.047) 2.10 (0.083 1.15 (0.045) 0.76 (0.030 0.10 (0.004) 0.013 (0.0005) SOT-23 (M3) 15 DIMENSIONS: MM (INCH) 0.15 (0.006) 0.076 (0.0030) 0.41 (0.016) 0.13 (0.005) LM4040/4041 Micrel ...
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... This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc. LM4040/4041 + 1 (408) 944-0970 http://www ...