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LM13700A

Features: ·gm adjustable over 6 decades·Excellent gm linearity·Excellent matching between amplifiers·Linearizing diodes·High impedance buffers·High output signal-to-noise ratioApplication·Current-controlled amplifiers·Current-controlled impedances·Current-controlled filters·Current-controlled osci...

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SeekIC No. : 004394641 Detail

LM13700A: Features: ·gm adjustable over 6 decades·Excellent gm linearity·Excellent matching between amplifiers·Linearizing diodes·High impedance buffers·High output signal-to-noise ratioApplication·Current-co...

LM13700A Data Sheet

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Part Number:
LM13700A
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·gm adjustable over 6 decades
·Excellent gm linearity
·Excellent matching between amplifiers
·Linearizing diodes
·High impedance buffers
·High output signal-to-noise ratio


Application

·Current-controlled amplifiers
·Current-controlled impedances
·Current-controlled filters
·Current-controlled oscillators
·Multiplexers
·Timers
·Sample-and-hold circuits


Pinout

Connection Diagram


Specifications

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (Note 2)
LM13700 .............................................36 VDC or ±18V
LM13700A ...........................................44 VDC or ±22V
Power Dissipation (Note 3) TA = 25°C
LM13700N, LM13700AN ...................................570 mW
Differential Input Voltage...................................... ±5V
Diode Bias Current (ID)......................................... 2mA
Amplifier Bias Current (IABC) .................................2mA
Output Short Circuit Duration Continuous
Buffer Output Current (Note 4) ...........................20 mA
Operating Temperature Range
LM13700N, LM13700AN ........................0°C to +70°C
DC Input Voltage ..........................................+VS to −VS
Storage Temperature Range ...........−65°C to +150°C
Soldering Information
Dual-In-Line Package
Soldering (10 sec.) .............................................260°C
Small Outline Package
Vapor Phase (60 sec.)........................................ 215°C
Infrared (15 sec.) ................................................220°C
See AN-450 "Surface Mounting Methods and Their Effect
on Product Reliability" for other methods of soldering
surface mount devices.


Description

The LM13700A 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 LM13700A differ from those of the LM13700A in that their input bias currents (and hence 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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