Overview
The LTC2287CUP, produced by Analog Devices Inc., is a dual 10-bit analog-to-digital converter (ADC) designed for high-frequency, wide dynamic range signal digitization. This device is part of the LTC2288/LTC2287/LTC2286 family, offering sample rates of 40Msps. It is ideal for demanding applications such as imaging and communications due to its low noise and high AC performance characteristics.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 | 10 | 10 | Bits (No Missing Codes) |
| Sampling Frequency | 1 | 40 | 40 | MHz |
| SNR | - | 61.8 | - | dB |
| SFDR | - | 85 | - | dB |
| Full Power Bandwidth S/H | - | 575 | - | MHz |
| Integral Linearity Error | -0.6 | ±0.1 | 0.6 | LSB |
| Differential Linearity Error | -0.5 | ±0.05 | 0.5 | LSB |
| Power Consumption (Each Channel) | - | 235 | - | mW |
| Supply Voltage | 2.7 | 3 | 3.4 | V |
| Package Type | - | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) | - | - |
Key Features
- Integrated Dual 10-Bit ADCs with a sample rate of 40Msps
- Single 3V Supply (2.7V to 3.4V) with low power consumption of 235mW per channel
- High AC performance: 61.8dB SNR and 85dB SFDR for signals at the Nyquist frequency
- 575MHz Full Power Bandwidth Sample-and-Hold
- Clock Duty Cycle Stabilizer for high performance across a wide range of clock duty cycles
- Shutdown and Nap Modes for power management
- Multiplexed or Separate Data Bus options
- Flexible Input Range: 1VP-P to 2VP-P
- High Channel Isolation: 110dB at 100MHz
Applications
The LTC2287CUP is particularly suited for demanding imaging and communications applications. It is used in:
- High-frequency signal digitization
- Imaging systems requiring high dynamic range and low noise
- Communication systems where high AC performance is critical
- Other applications requiring precise and fast analog-to-digital conversion
Q & A
- What is the sample rate of the LTC2287CUP?
The LTC2287CUP has a sample rate of 40Msps.
- What is the resolution of the LTC2287CUP?
The resolution of the LTC2287CUP is 10 bits.
- What is the supply voltage range for the LTC2287CUP?
The supply voltage range is from 2.7V to 3.4V.
- What is the power consumption per channel for the LTC2287CUP?
The power consumption per channel is approximately 235mW.
- Does the LTC2287CUP have a clock duty cycle stabilizer?
Yes, the LTC2287CUP includes a clock duty cycle stabilizer for high performance across a wide range of clock duty cycles.
- What is the full power bandwidth of the sample-and-hold circuit in the LTC2287CUP?
The full power bandwidth of the sample-and-hold circuit is 575MHz.
- What are the key AC performance metrics of the LTC2287CUP?
The key AC performance metrics include 61.8dB SNR and 85dB SFDR for signals at the Nyquist frequency.
- Does the LTC2287CUP support multiplexed or separate data bus options?
Yes, the LTC2287CUP supports both multiplexed and separate data bus options.
- What is the package type of the LTC2287CUP?
The LTC2287CUP is packaged in a 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP).
- Are there any power management features in the LTC2287CUP?
Yes, the LTC2287CUP includes shutdown and nap modes for power management.
