Overview
The LTC2283CUP, produced by Analog Devices Inc., is a 12-bit, 125Msps, low power dual 3V analog-to-digital converter (ADC). This device is designed for digitizing high frequency, wide dynamic range signals, making it ideal for demanding imaging and communications applications. It features a single 3V supply for low power operation and a separate output supply that allows the outputs to drive 0.5V to 3.6V logic. The ADC boasts high AC performance, including 70.1dB SNR and 82dB SFDR for signals at the Nyquist frequency.
Key Specifications
| Parameter | Conditions | Min | Max | Units | |
|---|---|---|---|---|---|
| Resolution | 12 | Bits | |||
| Sample Rate | 125 | Msps | |||
| Analog Input Range | 2.85V < VDD < 3.4V | ±0.5V to ±1V | V | ||
| Analog Input Common Mode | (AIN+ + AIN–)/2 | V | |||
| Integral Nonlinearity (INL) | ±0.4LSB | LSB | |||
| Differential Nonlinearity (DNL) | ±0.2LSB | LSB | |||
| Transition Noise | 0.32LSBRMS | LSB | |||
| Supply Voltage | 2.85 | 3.4 | V | ||
| Output Logic Levels | OVDD = 3V | 2.7 | 2.995 | 2.99 | V |
| Operating Temperature | 0 | 70 | °C |
Key Features
- High AC Performance: 70.1dB SNR and 82dB SFDR for signals at the Nyquist frequency.
- Low Power Operation: Single 3V supply with low power consumption.
- Flexible Output Logic: Separate output supply allows outputs to drive 0.5V to 3.6V logic.
- Single-Ended CLK Input: Controls converter operation with an optional clock duty cycle stabilizer for high performance at full speed.
- Data Ready Output Clock (CLKOUT): Can be used to latch the output data.
- Shutdown and Nap Modes: For power management.
- Pipelined Architecture: Each pipelined stage contains an ADC, a reconstruction DAC, and an interstage residue amplifier.
- Pin Compatible Family: Compatible with other ADCs in the series such as LTC2282, LTC2284, LTC2285, etc..
Applications
- Wireless and Wired Broadband Communication: Suitable for high-speed data transmission systems.
- Imaging Systems: Ideal for applications requiring high dynamic range and low noise.
- Spectral Analysis: Used in various spectral analysis applications due to its high AC performance.
- Portable Instrumentation: Low power consumption makes it suitable for portable devices).
Q & A
- What is the resolution and sample rate of the LTC2283CUP?
The LTC2283CUP is a 12-bit ADC with a sample rate of 125Msps).
- What is the operating supply voltage range for the LTC2283CUP?
The operating supply voltage range is 2.85V to 3.4V).
- What are the typical DC specifications for the LTC2283CUP?
The typical DC specifications include ±0.4LSB INL, ±0.2LSB DNL, and 0.32LSBRMS transition noise).
- Can the LTC2283CUP drive different logic levels?
- What is the purpose of the clock duty cycle stabilizer in the LTC2283CUP?
The clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles).
- What are some common applications of the LTC2283CUP?
- What is the package type and size of the LTC2283CUP?
- Is the LTC2283CUP RoHS compliant?
- What is the operating temperature range of the LTC2283CUP?
- Does the LTC2283CUP have power management features?
