Overview
The LTC6409HUDB#TRMPBF, produced by Analog Devices Inc., is a high-speed, low-distortion, fully-differential amplifier designed for driving analog-to-digital converters (ADCs) and other high-speed applications. This amplifier features a 10GHz gain-bandwidth product and an input noise density of 1.1nV/√Hz, making it suitable for demanding signal processing tasks. The LTC6409 allows for ground-referenced input signals to be DC-coupled, level-shifted, and converted to drive an ADC differentially. It is stable in a differential gain of 1, which is beneficial for applications where low output noise is critical.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Gain-Bandwidth Product | 10 | GHz |
| Input Noise Density | 1.1 | nV/√Hz |
| Differential Offset Voltage | - | mV |
| Supply Current | 52 | mA |
| Supply Voltage Range | 2.7 to 5.25 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | 10-Lead QFN (3mm x 2mm x 0.75mm) | - |
| Differential Slew Rate | 3300 | V/µs |
| Shutdown Current | 100 | µA |
Key Features
- High-speed operation with a 10GHz gain-bandwidth product and 3300V/µs differential slew rate.
- Low noise and distortion, with an input noise density of 1.1nV/√Hz and 88dB SFDR at 100MHz.
- Input common mode range includes ground, allowing for DC-coupled, ground-referenced input signals.
- External resistors set the gain, with a minimum gain of 1V/V.
- Adjustable output common mode voltage.
- Hardware shutdown feature reducing current consumption to 100µA.
- Compact 10-Lead QFN package (3mm x 2mm x 0.75mm).
Applications
- Differential pipeline ADC drivers.
- High-speed data-acquisition cards.
- Automated test equipment.
- Time domain reflectometry.
- Communications receivers.
Q & A
- What is the gain-bandwidth product of the LTC6409? The gain-bandwidth product of the LTC6409 is 10GHz.
- What is the input noise density of the LTC6409? The input noise density is 1.1nV/√Hz.
- What is the supply current of the LTC6409? The supply current is 52mA.
- What is the operating temperature range of the LTC6409? The operating temperature range is -40°C to 125°C.
- What package type is the LTC6409 available in? The LTC6409 is available in a 10-Lead QFN package (3mm x 2mm x 0.75mm).
- Can the LTC6409 be used with ground-referenced input signals? Yes, the LTC6409 allows for ground-referenced input signals to be DC-coupled and converted to drive an ADC differentially.
- What is the differential slew rate of the LTC6409? The differential slew rate is 3300V/µs.
- Does the LTC6409 have a shutdown feature? Yes, the LTC6409 has a hardware shutdown feature that reduces current consumption to 100µA.
- What are some common applications of the LTC6409? Common applications include differential pipeline ADC drivers, high-speed data-acquisition cards, automated test equipment, time domain reflectometry, and communications receivers.
- Can the gain of the LTC6409 be adjusted? Yes, the gain can be adjusted using external resistors, with a minimum gain of 1V/V.
