Overview
The LM13700MX, produced by Texas Instruments, is a dual operational transconductance amplifier (OTA) with linearizing diodes and buffers. This device is designed to provide high performance in various analog circuit applications. It features two independent current-controlled transconductance amplifiers, each with differential inputs and a push-pull output. The amplifiers include linearizing diodes to reduce output distortion and high impedance buffers to enhance the dynamic range of the outputs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VOS) | 0.4 | 4 | 5 | mV |
| Input Offset Current | 0.1 | 0.6 | 1.2 | μA |
| Forward Transconductance (gm) | 5400 | 6700 | 9600 | μS |
| Buffer Output Current | 20 | mA | ||
| Power Dissipation (TA = 25°C) | 570 | mW | ||
| Operating Temperature Range | 0 | 70 | °C | |
| Storage Temperature Range | -65 | 150 | °C |
Key Features
- Adjustable transconductance over 6 decades
- Excellent transconductance linearity and matching between amplifiers
- Linearizing diodes to reduce output distortion
- High impedance buffers for enhanced dynamic range
- High output signal-to-noise ratio
- Independent operation of the two amplifiers with common supplies
- Output buffers capable of driving up to 20 mA
Applications
- Current-controlled amplifiers and filters
- Stereo audio amplifiers
- Current-controlled oscillators and multiplexers
- Sample-and-hold circuits
- Voltage-controlled oscillators (VCOs)
- Phase-locked loops (PLLs)
- Schmitt triggers and peak detectors
- Pulse width modulators and tachometers
Q & A
- What is the LM13700MX?
The LM13700MX is a dual operational transconductance amplifier with linearizing diodes and buffers, produced by Texas Instruments.
- What are the key features of the LM13700MX?
The key features include adjustable transconductance, excellent linearity and matching, linearizing diodes, high impedance buffers, and high output signal-to-noise ratio.
- What are the typical applications of the LM13700MX?
Typical applications include current-controlled amplifiers, stereo audio amplifiers, current-controlled oscillators, sample-and-hold circuits, VCOs, PLLs, Schmitt triggers, and pulse width modulators.
- What is the operating temperature range of the LM13700MX?
The operating temperature range is from 0°C to 70°C.
- How much current can the output buffers drive?
The output buffers can drive up to 20 mA.
- What is the purpose of the linearizing diodes in the LM13700MX?
The linearizing diodes reduce output distortion and allow for higher input levels.
- Can the LM13700MX be used in single-ended or dual supply systems?
Yes, the LM13700MX can be used in both single-ended and dual supply systems with minimal changes.
- What is the maximum power dissipation of the LM13700MX at 25°C?
The maximum power dissipation at 25°C is 570 mW.
- How does the LM13700MX improve signal-to-noise ratio?
The LM13700MX improves signal-to-noise ratio through the use of linearizing diodes and by allowing larger input signals for the same output distortion.
- What is the storage temperature range for the LM13700MX?
The storage temperature range is from -65°C to 150°C.
