Overview
The LTC6405IUD#PBF, manufactured by Analog Devices Inc., is a high-performance, low noise, fully differential input/output amplifier. This component is optimized for 5V single supply operation and is particularly suited for driving high-resolution differential input analog-to-digital converters (ADCs). The LTC6405 features a rail-to-rail input common mode range and an independently adjustable output common mode voltage, making it ideal for level shifting signals with a wide common mode range. It boasts a 2.7GHz gain-bandwidth product, ensuring high linearity and a closed-loop bandwidth extending from DC to 800MHz.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Total Supply Voltage (V+ to V–) | 4.5 | 5.25 | 5.5 | V | |
| Input Current (+IN, –IN, VOCM, SHDN, VTIP) | ±10 | mA | |||
| Supply Current | 18 | 23 | mA | ||
| Supply Current in Shutdown | VSHDN = 0V | 0.4 | 1 | mA | |
| Operating Temperature Range | –40 | 85 | °C | ||
| Gain-Bandwidth Product | 2.7 | GHz | |||
| Differential Offset Voltage (Input Referred) | VICM = 5V | ±1 | ±7 | mV | |
| Input Bias Current | VICM = 5V | –24 | 8 | µA |
Key Features
- Very low noise: 1.6nV/√Hz RTI
- Low distortion and high linearity: 65dB for 50MHz input signals
- Rail-to-rail input common mode range and independently adjustable output common mode voltage
- Unity gain stable with a closed-loop bandwidth from DC to 800MHz
- Output voltage swing from near-ground to 4V, compatible with a wide range of ADC converter input requirements
- Low power consumption: 18mA typical supply current, with a hardware shutdown feature reducing current to 400µA
- Compact packaging: available in 3mm × 3mm 16-pin leadless QFN and 8-lead MSOP packages
Applications
The LTC6405IUD#PBF is ideal for various high-performance applications, including:
- Driving 12-bit to 16-bit single supply, differential input ADCs
- Level shifting signals with a wide common mode range
- High-speed data acquisition systems
- Medical imaging and diagnostic equipment
- High-frequency signal processing and instrumentation
Q & A
- What is the typical supply current of the LTC6405IUD#PBF?
The typical supply current is 18mA.
- What is the gain-bandwidth product of the LTC6405IUD#PBF?
The gain-bandwidth product is 2.7GHz.
- What is the operating temperature range of the LTC6405IUD#PBF?
The operating temperature range is –40°C to 85°C.
- What are the available package options for the LTC6405IUD#PBF?
The component is available in 3mm × 3mm 16-pin leadless QFN and 8-lead MSOP packages.
- How does the hardware shutdown feature affect the supply current?
The hardware shutdown feature reduces the supply current to 400µA.
- What is the typical noise level of the LTC6405IUD#PBF?
The typical noise level is 1.6nV/√Hz RTI.
- Is the LTC6405IUD#PBF unity gain stable?
Yes, the LTC6405IUD#PBF is unity gain stable.
- What is the output voltage swing range of the LTC6405IUD#PBF?
The output voltage swing extends from near-ground to 4V.
- Can the output common mode voltage be adjusted independently?
Yes, the output common mode voltage can be adjusted independently by applying a voltage on the VOCM pin.
- What are some typical applications of the LTC6405IUD#PBF?
Typical applications include driving high-resolution ADCs, level shifting signals, and use in high-speed data acquisition systems and medical imaging equipment.
