OTA - LM13700, Dual, Linearizing Diodes and Buffers, 16-Pin DIP

OTA - LM13700, Dual, Linearizing Diodes and Buffers, 16-Pin DIP

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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.


  • 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


  • Current-Controlled Amplifiers
  • Stereo Audio Amplifiers
  • Current-Controlled Impedances
  • Current-Controlled Filters
  • Current-Controlled Oscillators
  • Multiplexers
  • Timers
  • Sample-and-Hold Circuits
Item ID:
Max. Amplifier bias current (IABC)2 mA
Max. Buffer output current(2)20 mA
Max. DC input voltage−VS V
Max. Differential input voltage±5 V
Max. Diode bias current (ID)2 mA
Max. Output short circuit durationContinuous
Max. Power dissipation(3) TA = 25°C – LM13700N570 mW
Max. Supply voltage36 VDC or ±18 V
Min. DC input voltage+VS
Storage temperature, Tstg−65 to 150 °C
Typ. Buffer input current0.5 μA
Typ. CMRR110 dB
Typ. Common-mode range±13.5 V
Typ. Crosstalk100 dB
Typ. Differential input current0.02 nA
Typ. Forward transconductance (gm)9600 μS
Typ. Input bias current0.4 μA
Typ. Input offset change0.1 mV
Typ. Input offset current0.1 μA
Typ. Input offset voltage (VOS)0.4 mV
Typ. Input resistance26 kΩ
Typ. Leakage current0.2 nA
Typ. Open-loop bandwidth2 MHz
Typ. Peak output current RL = 0, IABC = 500 μA500 μA
Typ. Slew rate50 V/μs
Typ. Supply current2.6 mA
Typ. VOS including diodes0.5 mV
Typ. gm tracking0.3 dB
Packaging Information
Packaging Dimensions0.723 in. × 0.361 in. × 0.361 in.
Weight (Packaging)0.004 lbs.
PDF: SpecificationsAll Models

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PDF: Specifications Specifications743.64 KB
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