Overview
The LTC2293CUP, produced by Analog Devices Inc., is a high-performance, dual 12-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This component is part of the LTC2293 series, which includes the LTC2292 and LTC2291, offering sample rates of 65Msps, 40Msps, and 25Msps respectively. The LTC2293CUP is particularly suited for demanding imaging and communications applications due to its excellent AC performance, including a signal-to-noise ratio (SNR) of 71.3dB and a spurious free dynamic range (SFDR) of 90dB at the Nyquist frequency.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 | Bits |
| Number of Channels | 2 | |
| Sampling Rate | 65 Msps | |
| Analog Supply Voltage | 2.7V to 3.4V | V |
| Digital Supply Voltage | 2.7V to 3.4V | V |
| SNR | 71.3 dB | dB |
| SFDR | 90 dB | dB |
| Channel Isolation at 100MHz | 110 dB | dB |
| Full Power Bandwidth | 575 MHz | Hz |
| Power Dissipation | 400 mW | mW |
| Integral Nonlinearity (INL) | ±0.3 LSB | LSB |
| Differential Nonlinearity (DNL) | ±0.15 LSB | LSB |
| Operating Temperature | -40°C to 85°C | °C |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) |
Key Features
- Integrated Dual 12-Bit ADCs with pipelined architecture
- Single 3V supply (2.7V to 3.4V) for low power operation
- Multiplexed or separate data bus options
- Flexible input range: 1V P-P to 2V P-P
- Optional clock duty cycle stabilizer for high performance across various clock duty cycles
- Shutdown and nap modes for power management
- Simultaneous sampling capability
- Separate output supply to drive 0.5V to 3.6V logic
Applications
The LTC2293CUP is ideal for various high-performance applications, including:
- Demanding imaging applications such as medical imaging, industrial imaging, and surveillance systems
- Communications systems, including wireless and wired communication infrastructure
- High-speed data acquisition systems
- Radar and electronic warfare systems
- Test and measurement equipment
Q & A
- What is the resolution of the LTC2293CUP?
The LTC2293CUP has a resolution of 12 bits. - What are the sampling rates available for the LTC2293 series?
The LTC2293 series offers sampling rates of 65Msps, 40Msps, and 25Msps. - What is the analog supply voltage range for the LTC2293CUP?
The analog supply voltage range is from 2.7V to 3.4V. - What is the signal-to-noise ratio (SNR) of the LTC2293CUP?
The SNR is 71.3 dB. - Does the LTC2293CUP support simultaneous sampling?
Yes, the LTC2293CUP supports simultaneous sampling. - What is the full power bandwidth of the LTC2293CUP?
The full power bandwidth is 575 MHz. - What are the operating temperature ranges for the LTC2293CUP?
The operating temperature range is from -40°C to 85°C. - What package type is the LTC2293CUP available in?
The LTC2293CUP is available in a 64-Lead QFN package. - Does the LTC2293CUP have power management features?
Yes, it includes shutdown and nap modes for power management. - Can the LTC2293CUP drive different logic levels?
Yes, the outputs can drive 0.5V to 3.6V logic.
