LM124-N

現行

操作溫度範圍為 -55°C 至 125°C 的四路、32-V、1.2-MHz 運算放大器

產品詳細資料

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 32 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V- GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 0.5 Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 0.175 Vn at 1 kHz (typ) (nV√Hz) 35 Rating Military Operating temperature range (°C) -55 to 125 Offset drift (typ) (µV/°C) 0 Input bias current (max) (pA) 150000 CMRR (typ) (dB) 80 Iout (typ) (A) 0.04 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -2
Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 32 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Rail-to-rail In to V- GBW (typ) (MHz) 1.2 Slew rate (typ) (V/µs) 0.5 Vos (offset voltage at 25°C) (max) (mV) 5 Iq per channel (typ) (mA) 0.175 Vn at 1 kHz (typ) (nV√Hz) 35 Rating Military Operating temperature range (°C) -55 to 125 Offset drift (typ) (µV/°C) 0 Input bias current (max) (pA) 150000 CMRR (typ) (dB) 80 Iout (typ) (A) 0.04 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.005 Output swing headroom (to positive supply) (typ) (V) -2
CDIP (J) 14 130.4652 mm² 19.56 x 6.67
  • Internally Frequency Compensated for Unity Gain
  • Large DC Voltage Gain 100 dB
  • Wide Bandwidth (Unity Gain) 1 MHz
    (Temperature Compensated)
  • Wide Power Supply Range:
    • Single Supply 3 V to 32 V
    • or Dual Supplies ±1.5 V to ±16 V
  • Very Low Supply Current Drain (700 µA)
    –Essentially Independent of Supply Voltage
  • Low Input Biasing Current 45 nA
    (Temperature Compensated)
  • Low Input Offset Voltage 2 mV
    and Offset Current: 5 nA
  • Input Common-Mode Voltage Range Includes Ground
  • Differential Input Voltage Range Equal to the
    Power Supply Voltage
  • Large Output Voltage Swing 0 V to V+ – 1.5 V
  • Advantages:
    • Eliminates Need for Dual Supplies
    • Four Internally Compensated Op Amps in a Single
      Package
    • Allows Direct Sensing Near GND and VOUT also
      Goes to GND
    • Compatible With All Forms of Logic
    • Power Drain Suitable for Battery Operation
    • In the Linear Mode the Input Common-Mode, Voltage
      Range Includes Ground and the Output Voltage
    • Can Swing to Ground, Even Though Operated from
      Only a Single Power Supply Voltage
    • Unity Gain Cross Frequency is Temperature
      Compensated
    • Input Bias Current is Also Temperature
      Compensated
  • Internally Frequency Compensated for Unity Gain
  • Large DC Voltage Gain 100 dB
  • Wide Bandwidth (Unity Gain) 1 MHz
    (Temperature Compensated)
  • Wide Power Supply Range:
    • Single Supply 3 V to 32 V
    • or Dual Supplies ±1.5 V to ±16 V
  • Very Low Supply Current Drain (700 µA)
    –Essentially Independent of Supply Voltage
  • Low Input Biasing Current 45 nA
    (Temperature Compensated)
  • Low Input Offset Voltage 2 mV
    and Offset Current: 5 nA
  • Input Common-Mode Voltage Range Includes Ground
  • Differential Input Voltage Range Equal to the
    Power Supply Voltage
  • Large Output Voltage Swing 0 V to V+ – 1.5 V
  • Advantages:
    • Eliminates Need for Dual Supplies
    • Four Internally Compensated Op Amps in a Single
      Package
    • Allows Direct Sensing Near GND and VOUT also
      Goes to GND
    • Compatible With All Forms of Logic
    • Power Drain Suitable for Battery Operation
    • In the Linear Mode the Input Common-Mode, Voltage
      Range Includes Ground and the Output Voltage
    • Can Swing to Ground, Even Though Operated from
      Only a Single Power Supply Voltage
    • Unity Gain Cross Frequency is Temperature
      Compensated
    • Input Bias Current is Also Temperature
      Compensated

The LM124-N series consists of four independent, high-gain, internally frequency compensated operational amplifiers designed to operate from a single power supply over a wide range of voltages. Operation from split-power supplies is also possible and the low-power supply current drain is independent of the magnitude of the power supply voltage.

Application areas include transducer amplifiers, DC gain blocks and all the conventional op amp circuits which now can be more easily implemented in single power supply systems. For example, the LM124-N series can directly operate off of the standard 5-V power supply voltage which is used in digital systems and easily provides the required interface electronics without requiring the additional ±15 V power supplies.

The LM124-N series consists of four independent, high-gain, internally frequency compensated operational amplifiers designed to operate from a single power supply over a wide range of voltages. Operation from split-power supplies is also possible and the low-power supply current drain is independent of the magnitude of the power supply voltage.

Application areas include transducer amplifiers, DC gain blocks and all the conventional op amp circuits which now can be more easily implemented in single power supply systems. For example, the LM124-N series can directly operate off of the standard 5-V power supply voltage which is used in digital systems and easily provides the required interface electronics without requiring the additional ±15 V power supplies.

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類型 標題 日期
* Data sheet LMx24-N, LM2902-N Low-Power, Quad-Operational Amplifiers datasheet (Rev. D) PDF | HTML 2015年 1月 26日
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E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
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模擬型號

LMx24, LM2902 PSpice Model (Rev. D)

SGLM009D.ZIP (21 KB) - PSpice Model
模擬型號

LMx24_LM2902 Reference Design

SGLM036.ZIP (22 KB) - TINA-TI Reference Design
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LMx24_LM2902 TINA-TI Macro

SGLM037.ZIP (4 KB) - TINA-TI Spice Model
計算工具

ANALOG-ENGINEER-CALC — 類比工程師計算機

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
設計工具

CIRCUIT060013 — 具有 T 網路回饋電路的反相放大器

此設計可反轉輸入訊號 VIN,並使用 1000 V/V 或 60 dB 訊號增益。具有 T 回饋網路的反相放大器可在沒有較小 R4 值或超大回饋電阻器值的情況下獲得高增益。
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CIRCUIT060015 — 可調式參考電壓電路

此電路結合反相及非反相放大器,讓參考電壓可從負輸入電壓向上調整至輸入電壓。可加入增益以提高最大負參考位準。
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CIRCUIT060074 — 具有比較器電路的高壓側電流感測

此高壓側電流感測解決方案使用一個具有軌對軌輸入共模範圍的比較器,若負載電流上升到 1 A 以上,便在比較器輸出 (COMP OUT) 建立過電流警示 (OC 警示) 訊號。此實作中的 OC 訊號為低電位作動。因此當超過 1-A 閾值時,比較器輸出會變低。實作磁滯後會在負載電流降低至 0.5 A (減少 50%) 時,讓 OC-Alert 返回邏輯高狀態。此電路利用開漏輸出比較器,為控制數位邏輯輸入針腳而進行電平轉換輸出高邏輯電平。對於需要驅動 MOSFET 開關閘極的應用,建議使用具推挽輸出的比較器。
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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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