Overview
The LTC2265IUJ-12 is a high-performance, 2-channel, simultaneous sampling 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed 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 ultra-low jitter, which allows for excellent noise performance even when undersampling IF frequencies.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 2 |
| Sampling Rate | 65 MS/s |
| Analog Supply Voltage | 1.7 V ~ 1.9 V |
| Digital Supply Voltage | 1.7 V ~ 1.9 V |
| Power Dissipation | 167 mW (total), 83 mW per channel |
| Integral Nonlinearity (INL) | ±0.3 LSB (typ) |
| Differential Nonlinearity (DNL) | ±0.1 LSB (typ) |
| Signal to Noise and Distortion Ratio (SINAD) | 70.9 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Signal to Noise Ratio (SNR) | 71 dB |
| Input Type | Differential/Single-Ended |
| Architecture | Pipelined |
| Package | 40-Pin QFN (6mm x 6mm x 0.75mm w/ EP) |
| Operating Temperature | 0°C ~ 70°C |
Key Features
- 2-channel simultaneous sampling ADC
- Low power consumption: 167mW total, 83mW per channel
- Single 1.8V supply
- Serial LVDS outputs: 1 or 2 bits per channel
- Selectable input ranges: 1V P-P to 2V P-P
- 800MHz 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
- Ultra-low jitter of 0.15ps RMS
- Internal clock duty cycle stabilizer for high performance across various clock duty cycles
Applications
The LTC2265IUJ-12 is particularly suited for demanding communications applications, such as:
- High-frequency signal processing
- Wide dynamic range signal digitization
- IF (Intermediate Frequency) undersampling
- Wireless communication systems
- Radar and surveillance systems
- High-speed data acquisition systems
Q & A
- What is the resolution of the LTC2265IUJ-12 ADC?
The LTC2265IUJ-12 has a resolution of 12 bits.
- How many channels does the LTC2265IUJ-12 support?
The LTC2265IUJ-12 supports 2 channels.
- What is the sampling rate of the LTC2265IUJ-12?
The sampling rate is 65 MS/s.
- What is the power consumption of the LTC2265IUJ-12?
The total power consumption is 167 mW, with 83 mW per channel.
- What type of input does the LTC2265IUJ-12 support?
The LTC2265IUJ-12 supports differential and single-ended inputs.
- What is the SFDR of the LTC2265IUJ-12?
The SFDR is 90 dB.
- What is the SNR of the LTC2265IUJ-12?
The SNR is 71 dB.
- Does the LTC2265IUJ-12 have power management features?
- What type of package does the LTC2265IUJ-12 come in?
The LTC2265IUJ-12 comes in a 40-Pin QFN (6mm x 6mm x 0.75mm w/ EP) package.
- What is the operating temperature range of the LTC2265IUJ-12?
The operating temperature range is 0°C ~ 70°C.
