SM72501

Manufacturer Part NumberSM72501
ManufacturerTexas Instruments
SM72501 datasheet
 


Specifications of SM72501

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SM72501
SM72501 SolarMagic Precision, CMOS Input, RRIO, Wide Supply Range Amplifier
Literature Number: SNIS157B

SM72501 Summary of contents

  • Page 1

    ... SM72501 SM72501 SolarMagic Precision, CMOS Input, RRIO, Wide Supply Range Amplifier Literature Number: SNIS157B ...

  • Page 2

    ... SolarMagic Precision, CMOS Input, RRIO, Wide Supply Range Amplifier General Description The SM72501 is a low offset voltage, rail-to-rail input and out- put precision amplifier with a CMOS input stage and a wide supply voltage range. The SM72501 is ideal for sensor inter- face and other instrumentation applications. ...

  • Page 3

    Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2)   Human Body Model   Machine Model Charge-Device Model V Differential IN Supply Voltage (V ...

  • Page 4

    Symbol Parameter GBW Gain Bandwidth THD+N Total Harmonic Distortion + Noise e Input Referred Voltage Noise n Density i Input Referred Current Noise n Density 5V Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T Boldface limits apply ...

  • Page 5

    Symbol Parameter e Input Referred Voltage Noise Density n i Input Referred Current Noise Density n ±5V Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T face limits apply at the temperature extremes. Symbol Parameter V Input Offset ...

  • Page 6

    Note 2: Human Body Model, applicable std. MIL-STD-883, Method 3015.7. Machine Model, applicable std. JESD22-A115-A (ESD MM std. of JEDEC) Field- Induced Charge-Device Model, applicable std. JESD22-C101-C (ESD FICDM std. of JEDEC). Note 3: The maximum power dissipation is a ...

  • Page 7

    ... Connection Diagram Ordering Information Package Part Number 5-Pin SOT23 SM72501MFE 5-Pin SOT23 SM72501MF 5-Pin SOT23 SM72501MFX www.national.com 5-Pin SOT23 30142102 Top View Package Marking Transport Media S501 250 Units Tape and Reel S501 1000 Units Tape and Reel S501 3000 Units Tape and Reel ...

  • Page 8

    Typical Performance Characteristics Offset Voltage Distribution Offset Voltage Distribution Offset Voltage Distribution Unless otherwise noted: T TCV 30142136 TCV 30142137 TCV 30142138 7 = 25° /2, R > 10 kΩ Distribution OS 30142141 ...

  • Page 9

    Offset Voltage vs. Temperature Offset Voltage vs. Supply Voltage Offset Voltage vs. V www.national.com 30142106 30142110 CM 30142108 8 CMRR vs. Frequency 30142150 Offset Voltage vs 30142107 Offset Voltage vs 30142109 ...

  • Page 10

    Input Bias Current vs 30142146 Input Bias Current vs 30142147 Input Bias Current vs 30142148 Input Bias Current vs. V Input Bias Current vs. V Input Bias Current vs 30142130 CM ...

  • Page 11

    PSRR vs. Frequency Sinking Current vs. Supply Voltage Output Voltage vs. Output Current www.national.com Supply Current vs. Supply Voltage (Per Channel) 30142145 Sourcing Current vs. Supply Voltage 30142113 Slew Rate vs. Supply Voltage 30142116 10 30142111 30142112 30142117 ...

  • Page 12

    Open Loop Frequency Response 30142115 Large Signal Step Response 30142118 Large Signal Step Response 30142119 Open Loop Frequency Response Small Signal Step Response Small Signal Step Response 11 30142114 30142120 30142126 www.national.com ...

  • Page 13

    Input Voltage Noise vs. Frequency Output Swing High vs. Supply Voltage Output Swing High vs. Supply Voltage www.national.com Open Loop Gain vs. Output Voltage Swing 30142127 Output Swing Low vs. Supply Voltage 30142133 Output Swing Low vs. Supply Voltage 30142132 ...

  • Page 14

    THD+N vs. Frequency 30142128 THD+N vs. Output Voltage 13 30142129 www.national.com ...

  • Page 15

    ... The SM72501 is a low offset voltage, rail-to-rail input and out- put precision amplifier with a CMOS input stage and wide supply voltage range of 2.7V to 12V. The SM72501 has a very low input bias current of only ±200 fA at room temperature. The wide supply voltage range of 2.7V to 12V over the ex- tensive temperature range of − ...

  • Page 16

    ... FIGURE 4. Closed Loop Gain vs. Frequency with Compensation DIODES BETWEEN THE INPUTS The SM72501 has a set of anti-parallel diodes between the input pins, as shown in protect the input stage of the amplifier. At the same time, they limit the amount of differential input voltage that is allowed on the input pins ...

  • Page 17

    ... The equation for output current can be derived as follows: Solving for the current I results in the following equation: LOW INPUT VOLTAGE NOISE The SM72501 has a very low input voltage noise of 9 nV/ . This input voltage noise can be further reduced by plac- ing N amplifiers in parallel as shown in ...

  • Page 18

    ... Where: The input current noise of the SM72501 is so low that it will not become the dominant factor in the total noise unless source resistance exceeds 300 MΩ, which is an unrealisti- cally high value evident in Figure ...

  • Page 19

    FIGURE 11. Temperature Dependence Electrode The schematic shown in Figure 12 can be used for pH measurement. The LM35 is a precision integrated circuit temperature sensor. This sensor is differen- tiated from similar products because it has ...

  • Page 20

    Physical Dimensions inches (millimeters) unless otherwise noted 5-Pin SOT23 NS Package Number MF05A 19 www.national.com ...

  • Page 21

    For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs ...

  • Page 22

    ... Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’ ...