Analog Devices LTC6990 | Demoboard DC2769A-B / DC2771A-B

Description

DC2769A-B-KIT is a kit of the DC2771A-B transmitter board, featuring LTC®6990 and the DC2775A-B, featuring LTC4124. The DC2775A-B receiver can charge a single Li-Ion battery at up to 25mA with an air gap of 2mm to 5mm between the transmit and receive coils.

Features

• Fixed-Frequency or Voltage-Controlled Operation
• Fixed: Single Resistor Programs Frequency with <1.5% Max Error
• VCO: Two Resistors Set VCO CenterFrequency and Tuning Range
• Frequency Range: 488Hz to 2MHz
• 2.25V to 5.5V Single Supply Operation
• 72µA Supply Current at 100kHz
• 500µs Start-Up Time
• VCO Bandwidth >300kHz at 1MHz
• CMOS Logic Output Sources/Sinks 20mA
• 50% Duty Cycle Square Wave Output
• Output Enable (Selectable Low or Hi-Z When Disabled)
• 55°C to 125°C Operating Temperature Range
• Available in Low Profile (1mm) SOT-23 (ThinSOT™) and 2mm × 3mm DFN Package
• AEC-Q100 Qualified for Automotive Applications

Typical applications

• Low Cost Precision Programmable Oscillator, Voltage-Controlled Oscillator, High Vibration, High Acceleration Environments, Replacement for Fixed Crystal and Ceramic Oscillators
• Portable and Battery-Powered Equipment

More information

• Datasheet
• IC product information