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LTC6363 Series

Precision, Low Power Differential Amplifier/ADC Driver Family

Manufacturer: Analog Devices

Catalog

Precision, Low Power Differential Amplifier/ADC Driver Family

Key Features

• Available with User Settable Gain or Fixed-Gain of 0.5V/V, 1V/V, or 2V/V
• 2.9nV/√HzInput-Referred Noise
• 2mA Maximum Supply Current
• 45ppm Max Gain Error
• 0.5ppm/°C Max Gain Error Drift
• 94dB Min CMRR
• 100µV Max Offset Voltage
• 50nA Max Input Offset Current
• Fast Settling: 720ns to 18-Bit, 8VP-POutput
• 2.8V (±1.4V) to 11V (±5.5V) Supply Voltage Range
• Differential Rail-to-Rail Outputs
• Input Common Mode Range Includes Ground
• Low Distortion: 118dB SFDR at 2kHz, 18VP-P
• 500MHz Gain-Bandwidth Product
• 35MHz –3dB Bandwidth
• Low Power Shutdown: 20µA (VS= 3V)
• 8-Lead MSOP, 2mm × 3mm 8-Lead DFN and 3mm × 3mm 16-lead LFCSP Packages

Description

AI
The LTC6363 family consists of four fully differential, low power, low noise amplifiers with rail-to-rail outputs optimized to drive SAR ADCs. The LTC6363 is a standalone differential amplifier, where the gain is typically set using four external resistors. The LTC6363-0.5, LTC6363-1, and LTC6363-2 each have internal matched resistors to create fixed gain blocks with gains of 0.5V/V, 1V/V, and 2V/V respectively. Each of the fixed-gain amplifiers features precision laser trimmed on-chip resistors for accurate, ultrastable gain and excellent CMRR.Applications20-Bit, 18-Bit and 16-Bit SAR ADC DriversSingle-Ended-to-Differential ConversionLow Power ADC DriversLevel ShifterDifferential Line DriversBattery-Powered Instrumentation