Overview
The LTC2266IUJ-12 is a 12-bit, dual-channel, simultaneous sampling analog-to-digital converter (ADC) designed by Analog Devices Inc. This device is optimized for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. It features low power consumption, high signal-to-noise ratio (SNR), and spurious free dynamic range (SFDR), along with ultralow jitter, which allows for excellent noise performance even when undersampling IF frequencies.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Sampling Rate | 80 Msps | |
| SNR | 70.6 dB | |
| SFDR | 88 dB | |
| Jitter | 0.15 ps RMS | |
| Analog Supply Voltage | 1.7 V to 1.9 V | |
| Digital Supply Voltage | 1.7 V to 1.9 V | |
| Analog Input Voltage Range | 1 Vpp to 2 Vpp | |
| Power Consumption (2-lane mode) | 292 mW to 317 mW | |
| Operating Temperature Range | -40°C to 85°C | |
| Package | 40-pin QFN Exposed Pad |
Key Features
- 2-channel simultaneous sampling ADC
- Low power consumption: 292 mW to 317 mW in 2-lane mode
- Serial LVDS outputs: 1 or 2 bits per channel
- Selectable input ranges: 1 Vpp to 2 Vpp
- 800 MHz full power bandwidth sample and hold (S/H)
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with 14-bit and 12-bit versions
- Internal clock duty cycle stabilizer for high performance at full speed
Applications
The LTC2266IUJ-12 is particularly suited for demanding communications applications, including:
- High-frequency signal processing
- Wide dynamic range signal digitization
- IF frequency undersampling with excellent noise performance
- Automotive applications such as electronic cockpit solutions, BMS solutions, motor/electric drive sensors, and autonomous driving systems
Q & A
- What is the resolution of the LTC2266IUJ-12 ADC?
The LTC2266IUJ-12 has a 12-bit resolution.
- What is the maximum sampling rate of the LTC2266IUJ-12?
The maximum sampling rate is 80 Msps.
- What is the SNR of the LTC2266IUJ-12?
The signal-to-noise ratio (SNR) is 70.6 dB.
- What is the SFDR of the LTC2266IUJ-12?
The spurious free dynamic range (SFDR) is 88 dB.
- What is the jitter performance of the LTC2266IUJ-12?
The jitter is 0.15 ps RMS.
- What are the supply voltage ranges for the LTC2266IUJ-12?
The analog and digital supply voltages range from 1.7 V to 1.9 V.
- What are the available output modes for the digital data?
The digital outputs are available in serial LVDS format, with options for 1 or 2 bits per channel.
- Does the LTC2266IUJ-12 support power management features?
Yes, it supports shutdown and nap modes for power management.
- What is the package type of the LTC2266IUJ-12?
The package type is 40-pin QFN Exposed Pad.
- What are some typical applications of the LTC2266IUJ-12?
Typical applications include high-frequency signal processing, wide dynamic range signal digitization, and various automotive applications.
