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放大器
運算放大器 (op amps)
一般用途運算放大器

LM13700

現行

具有線性化二極體和緩衝器的雙轉導放大器

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產品規格表

LM13700

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Rail-to-rail No GBW (typ) (MHz) 2 Slew rate (typ) (V/µs) 50 Vos (offset voltage at 25°C) (max) (mV) 4 Iq per channel (typ) (mA) 1.3 Rating Catalog Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 0 Input bias current (max) (pA) 5000000 CMRR (typ) (dB) 110 Iout (typ) (A) 0.02 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 0 Output swing headroom (to positive supply) (typ) (V) 0
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Rail-to-rail No GBW (typ) (MHz) 2 Slew rate (typ) (V/µs) 50 Vos (offset voltage at 25°C) (max) (mV) 4 Iq per channel (typ) (mA) 1.3 Rating Catalog Operating temperature range (°C) 0 to 70 Offset drift (typ) (µV/°C) 0 Input bias current (max) (pA) 5000000 CMRR (typ) (dB) 110 Iout (typ) (A) 0.02 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 0 Output swing headroom (to positive supply) (typ) (V) 0
SOIC (D) 16 59.4 mm² 9.9 x 6
  • gm Adjustable Over 6 Decades
  • Excellent gm Linearity
  • Excellent Matching Between Amplifiers
  • Linearizing Diodes for reduced output distortion
  • High Impedance Buffers
  • High Output Signal-to-Noise Ratio
  • gm Adjustable Over 6 Decades
  • Excellent gm Linearity
  • Excellent Matching Between Amplifiers
  • Linearizing Diodes for reduced output distortion
  • High Impedance Buffers
  • High Output Signal-to-Noise Ratio

The LM13700 series consists of two current-controlled transconductance amplifiers, each with differential inputs and a push-pull output. The two amplifiers share common supplies but otherwise operate independently. Linearizing diodes are provided at the inputs to reduce distortion and allow higher input levels. The result is a 10-dB signal-to-noise improvement referenced to 0.5 percent THD. High impedance buffers are provided which are especially designed to complement the dynamic range of the amplifiers. The output buffers of the LM13700 differ from those of the LM13600 in that their input bias currents (and thus their output DC levels) are independent of IABC. This may result in performance superior to that of the LM13600 in audio applications.

The LM13700 series consists of two current-controlled transconductance amplifiers, each with differential inputs and a push-pull output. The two amplifiers share common supplies but otherwise operate independently. Linearizing diodes are provided at the inputs to reduce distortion and allow higher input levels. The result is a 10-dB signal-to-noise improvement referenced to 0.5 percent THD. High impedance buffers are provided which are especially designed to complement the dynamic range of the amplifiers. The output buffers of the LM13700 differ from those of the LM13600 in that their input bias currents (and thus their output DC levels) are independent of IABC. This may result in performance superior to that of the LM13600 in audio applications.
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類型 標題 日期
* Data sheet LM13700 Dual Operational Transconductance Amps w/Linearizing Diodes and Buffers datasheet (Rev. F) 2015年 11月 30日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日

設計與開發

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模擬型號

LM13700 PSPICE Model

SNOM267.ZIP (1 KB) - PSpice Model
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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 (...)
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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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設計工具

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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設計工具

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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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

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 (...)
要求
模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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SOIC (D) 16 檢視選項
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