Overview
The LTC6363HMS8-1#PBF is a precision, low power, fully differential amplifier from Analog Devices Inc., optimized for driving Successive Approximation Register (SAR) Analog-to-Digital Converters (ADCs). This amplifier is part of the LTC6363 family, which includes several variants with different gain settings. The LTC6363HMS8-1#PBF is specifically designed with internal matched resistors to create a fixed gain block of 1V/V. It features rail-to-rail outputs and is housed in an 8-lead MSOP package, making it suitable for a wide range of applications requiring high precision and low noise.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Gain Bandwidth Product | 390 | 500 | MHz | ||
| Slew Rate | 75 | V/μs | |||
| Supply Voltage Range | 2.8V to 11V, ±1.4V to ±5.5V | V | |||
| Input Offset Voltage | 25 | 100 | μV | ||
| Input Bias Current | -500 | nA | |||
| Operating Temperature Range | -40°C | 125°C | °C | ||
| Noise Density | 2.9 | nV/√Hz | |||
| Common Mode Rejection Ratio (CMRR) | 94 | dB | |||
| Settling Time (0.1% to 18-bit, 8VP-P output) | 720 | ns |
Key Features
- User-Settable Gain: The gain can be set using four external resistors, providing flexibility in design.
- Low Noise and Low Power: Features a low noise density of 2.9nV/√Hz and a maximum supply current of 2mA.
- Precision Gain: Internal matched resistors for fixed gain blocks (0.5V/V, 1V/V, 2V/V) with precision laser-trimmed on-chip resistors.
- Rail-to-Rail Outputs: Optimized for driving SAR ADCs with rail-to-rail output capability.
- Fast Settling Time: Fast settling time of 720ns to 18-bit accuracy for an 8VP-P output step.
- Low Power Shutdown: Low power shutdown mode with a current of 20µA at VS = 3V.
- Wide Operating Temperature Range: Operates from -40°C to 125°C.
- Surface Mount Package: Available in an 8-lead MSOP package.
Applications
- ADC Drivers: Optimized for driving SAR ADCs, making it ideal for high-precision data acquisition systems.
- Medical Devices: Suitable for medical equipment requiring low noise and high precision.
- Industrial Automation: Used in industrial control systems where accurate signal processing is crucial.
- Aerospace and Defense: Applicable in aerospace and defense systems due to its wide operating temperature range and high reliability.
- Test and Measurement Equipment: Ideal for use in precision measurement instruments.
Q & A
- What is the primary function of the LTC6363HMS8-1#PBF?
The primary function is to act as a fully differential, low power, low noise amplifier optimized to drive SAR ADCs.
- What is the gain of the LTC6363HMS8-1#PBF?
The gain is fixed at 1V/V due to internal matched resistors.
- What is the supply voltage range for the LTC6363HMS8-1#PBF?
The supply voltage range is from 2.8V to 11V, or ±1.4V to ±5.5V.
- What is the input offset voltage of the LTC6363HMS8-1#PBF?
The input offset voltage is typically 25μV, with a maximum of 100μV.
- What is the slew rate of the LTC6363HMS8-1#PBF?
The slew rate is typically 75V/μs.
- What is the operating temperature range of the LTC6363HMS8-1#PBF?
The operating temperature range is from -40°C to 125°C.
- What is the noise density of the LTC6363HMS8-1#PBF?
The noise density is 2.9nV/√Hz.
- What is the common mode rejection ratio (CMRR) of the LTC6363HMS8-1#PBF?
The CMRR is a minimum of 94dB.
- How long does it take for the LTC6363HMS8-1#PBF to settle to 18-bit accuracy?
The settling time to 18-bit accuracy for an 8VP-P output step is 720ns.
- What package type is the LTC6363HMS8-1#PBF available in?
The LTC6363HMS8-1#PBF is available in an 8-lead MSOP package.
