LMP7707

Manufacturer Part NumberLMP7707
ManufacturerTexas Instruments
LMP7707 datasheet
 


Specifications of LMP7707

Number Of Channels1Total Supply Voltage(min)(+5v=5, +/-5v=10)2.7
Total Supply Voltage(max)(+5v=5, +/-5v=10)12Gbw(typ)(mhz)1.4
Slew Rate(typ)(v/us)5.6Vio (25c)(max)(mv)0.15
Offset Drift(typ)(uv/c)1Vn At 1khz(typ)(nv/rthz)9
Iib(max)(pa)50Cmrr(min)(db)130
Psrr(db)100Rail-railIn/Out
Additional FeaturesDecompPin/package5SOT, 8SOIC
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LMP7707,LMP7708,LMP7709
LMP7707/LMP7708/LMP7709 Precision, CMOS Input, RRIO, Wide Supply Range
Decompensated Amplifiers
Literature Number: SNOSAW5A

LMP7707 Summary of contents

  • Page 1

    ... LMP7707,LMP7708,LMP7709 LMP7707/LMP7708/LMP7709 Precision, CMOS Input, RRIO, Wide Supply Range Decompensated Amplifiers Literature Number: SNOSAW5A ...

  • Page 2

    ... PMOS offsets. The output swings within either rail to maximize the signal dynamic range in applications re- quiring low supply voltage. The LMP7707 is offered in the space saving 5-Pin SOT23 and 8-pin SOIC package, the LMP7708 is offered in the 8-Pin MSOP and 8-pin SOIC package and the quad LMP7709 is offered in the 14-Pin TSSOP and the 14-pin SOIC package ...

  • Page 3

    ... LMP7707 ≤ ≤ LMP7708/LMP7709 ≤ ≤ 2. 12V ≥ CMRR 80 dB ≥ CMRR kΩ (LMP7707 0. kΩ (LMP7708/LMP7709 0. kΩ 0. (Note 1) −40°C to +125° – V − (Note 3) JA − ...

  • Page 4

    ... L LMP7708/LMP7709 kΩ LMP7707 kΩ LMP7708/LMP7709 Sourcing 100 mV IN Sinking −100 mV (LMP7707) IN Sinking −100 mV (LMP7708/ IN LMP7709) LMP7707 LMP7708 LMP7709 10% to 90 kHz 10 2.5V kΩ ...

  • Page 5

    ... LMP7707 kΩ LMP7708/LMP7709 kΩ LMP7707 kΩ LMP7708/LMP7709 Sourcing 100 mV (LMP7707) IN Sourcing 100 mV (LMP7708/LMP7709) IN Sinking −100 mV (LMP7707) IN Sinking −100 mV (LMP7708/ IN LMP7709) LMP7707 LMP7708 ...

  • Page 6

    ... ≥ ≥ CMRR kΩ (LMP7707 −4. kΩ (LMP7708/LMP7709 −4. kΩ (LMP7707 −4. kΩ (LMP7708/LMP7709 −4. Min Typ Max Units (Note 6) (Note 5) (Note 6) 0.024 % 9 nV/ ...

  • Page 7

    ... L LMP7708/LMP7709 kΩ LMP7707 kΩ LMP7708/LMP7709 kΩ LMP7707 kΩ LMP7708/LMP7709 Sourcing 100 mV (LMP7707) IN Sourcing 100 mV (LMP7708/LMP7709) IN Sinking −100 mV IN LMP7707 LMP7708 LMP7709 10 ...

  • Page 8

    ... SOIC LMP7709MAX 20203702 20203703 Package Marking Transport Media 1k Units Tape and Reel AH4A 3k Units Tape and Reel LMP7707MA 2.5k Units Tape and Reel 1k Units Tape and Reel AJ4A 3.5k Units Tape and Reel LMP7708MA 2.5k Units Tape and Reel LMP7709MT 2.5k Units Tape and Reel LMP7709MA 2 ...

  • Page 9

    Typical Performance Characteristics connected )/2 + − Offset Voltage Distribution Offset Voltage Distribution Offset Voltage Distribution www.national.com Unless otherwise specified, T TCV 20203736 TCV 20203737 TCV 20203738 8 = 25° /2, R > 10 ...

  • Page 10

    Offset Voltage vs. Temperature 20203706 Offset Voltage vs. Supply Voltage 20203710 Offset Voltage vs 20203708 CMRR vs. Frequency Offset Voltage vs. V Offset Voltage vs 20203750 CM 20203707 CM 20203709 www.national.com ...

  • Page 11

    Input Bias Current vs. V Input Bias Current vs. V Input Bias Current vs. V www.national.com Input Bias Current vs 20203746 Input Bias Current vs 20203747 Input Bias Current vs 20203748 10 CM 20203730 ...

  • Page 12

    PSRR vs. Frequency 20203745 Sinking Current vs. Supply Voltage 20203713 Output Voltage vs. Output Current 20203716 Supply Current vs. Supply Voltage (Per Channel) Sourcing Current vs. Supply Voltage Slew Rate vs. Supply Voltage 11 20203711 20203712 20203717 www.national.com ...

  • Page 13

    Open Loop Frequency Response Small Signal Step Response, A Small Signal Step Response, A www.national.com Open Loop Frequency Response 20203715 = 10 Large Signal Step Response 20203719 = 100 Large Signal Step Response 20203726 12 20203714 ...

  • Page 14

    Input Voltage Noise vs. Frequency Output Swing High vs. Supply Voltage 20203733 Output Swing High vs. Supply Voltage 20203732 Open Loop Gain vs. Output Voltage Swing 20203727 Output Swing Low vs. Supply Voltage Output Swing Low vs. Supply Voltage 13 ...

  • Page 15

    THD+N vs. Frequency Crosstalk Rejection Ratio vs. Frequency (LMP7708/LMP7709) www.national.com THD+N vs. Output Voltage 20203728 20203753 14 20203729 ...

  • Page 16

    ... The LMP7707 is offered in the space saving 5-Pin SOT23 and 8-Pin SOIC package, the LMP7708 comes in the 8-pin MSOP and 8-Pin SOIC package and the LMP7709 is offered in the 14-Pin TSSOP and 14-Pin SOIC package ...

  • Page 17

    ... As a result, these amplifiers are ideal choices for circuits with high impedance sensor applications. Figure 4 shows the typical input noise of the LMP7707/ LMP7708/LMP7709 as a function of source resistance. The total noise at the input can be calculated using Equation 1. ...

  • Page 18

    ... Un- fortunately, the LMP7707/LMP7708/LMP7709 have parasitic poles close to the second pole, giving a phase margin closer to 0°. The LMP7707/LMP7708/LMP7709 can be used at fre- quencies where the phase margin is > 45°. The frequency where the phase margin is 45° 2.4 MHz. The corre- sponding value of the open loop gain (also called G times ...

  • Page 19

    FIGURE 8. Op Amp with Resistive Feedback. (a) Non- inverting (b) Inverting The feedback function for a three-terminal op amp as shown in Figure 8 is the feedback voltage V input terminals relative to the op amp output voltage, V ...

  • Page 20

    This example, represented by Figure 8 and Figure 9, is gener the sense that the G as specified did not distinguish MIN between inverting and non-inverting configurations. FIGURE 11. Compensation with Reduced Loop Gain The technique of reducing ...

  • Page 21

    ... frequency greater than f than a decade above that frequency, then there will be an (14) effect on phase margin. DESIGN EXAMPLE The input lead-lag compensation method can be applied to an application using the LMP7707, LMP7708 or LMP7709 in (15) an inverting configuration, as shown in Figure 14. (16) (17) and P FIGURE 15 ...

  • Page 22

    ... The response is reasonably (19) well behaved. The bottom waveform shows the response of an overcompensated LMP7707. Finally, Figure 17 compares the step response of the com- pensated LMP7707 to that of the unity gain stable LMP7701. The increase in dynamic performance is clear. (20) (21) FIGURE 17. Bench Results for Comparison of LMP7701 ...

  • Page 23

    Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 5-Pin SOT23 NS Package Number MF05A 8-Pin SOIC NS Package Number M08A 22 ...

  • Page 24

    MSOP NS Package Number MUA08A 14-Pin SOIC NS Package Number M14A 23 www.national.com ...

  • Page 25

    TSSOP NS Package Number MTC14 24 ...

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    Notes 25 www.national.com ...

  • Page 27

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  • Page 28

    ... 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’ ...