Overview
The LMH6517SQE/NOPB is a low power, low noise, dual 16-bit ADC driver amplifier manufactured by Texas Instruments. This component is designed for use in various applications requiring high linearity and low distortion, particularly in narrowband and baseband systems. It features digitally controlled variable gain amplifiers (DVGA) with precise 0.5dB gain steps over a 31.5dB range, making it highly versatile for different signal processing needs.
Key Specifications
| Parameter | Value |
|---|---|
| Amplifier Type | Variable Gain |
| Number of Circuits | 2 |
| Output Type | Differential |
| Supply Voltage | 4.5 V ~ 5.25 V |
| Supply Current | 80mA per channel |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package | 32-LLP-EP (5x5) |
| Frequency Range | Up to 1200 MHz |
| OIP3 | 43dBm @ 200MHz |
| Noise Figure | 5.5dB |
| Gain Step Size | 0.5dB |
| Gain Step Accuracy | 0.05dB |
Key Features
- Digitally controlled variable gain amplifiers (DVGA) with 0.5dB gain steps over a 31.5dB range.
- Low power consumption with a supply current of 80mA per channel.
- Low noise and high linearity, making it suitable for narrowband and baseband applications.
- Differential output allowing large signal swings on a single 5V supply.
- Low impedance output for maximum flexibility when driving filters or analog to digital converters.
- Independent digitally controlled attenuators and high linearity differential output amplifiers for each channel.
- Option for serial or parallel programming of gain settings.
- Pulse mode for simple up or down gain commands.
- Small footprint WQFN package.
Applications
- Cellular Base Stations
- IF Sampling Receivers
- Instrumentation
- Modems
- Imaging systems
Q & A
- What is the primary function of the LMH6517SQE/NOPB?
The LMH6517SQE/NOPB is a dual 16-bit ADC driver amplifier with digitally controlled variable gain amplifiers, designed for use in narrowband and baseband systems.
- What is the gain step size of the LMH6517SQE/NOPB?
The gain step size is 0.5dB over a 31.5dB range.
- What is the supply voltage range for the LMH6517SQE/NOPB?
The supply voltage range is 4.5 V to 5.25 V.
- What is the operating temperature range of the LMH6517SQE/NOPB?
The operating temperature range is -40°C to 85°C.
- What type of output does the LMH6517SQE/NOPB have?
The output is differential.
- What is the typical supply current per channel for the LMH6517SQE/NOPB?
The typical supply current per channel is 80mA.
- What are some common applications of the LMH6517SQE/NOPB?
Common applications include cellular base stations, IF sampling receivers, instrumentation, modems, and imaging systems.
- What is the frequency range of the LMH6517SQE/NOPB?
The frequency range is up to 1200 MHz.
- How is the gain setting programmed in the LMH6517SQE/NOPB?
The gain setting can be programmed using serial or parallel options, and a pulse mode is also available for simple up or down commands.
- What is the package type of the LMH6517SQE/NOPB?
The package type is 32-LLP-EP (5x5) WQFN.
