Overview
The LTC2289CUP, produced by Analog Devices Inc., is a high-performance dual 10-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This component is part of the LTC2289 family and is known for its low noise and high sampling rate, making it suitable for demanding applications in imaging and communications.
The ADC operates on a single 3V supply (2.7V to 3.4V) and features low power consumption of 422mW. It boasts exceptional AC performance, including a signal-to-noise ratio (SNR) of 61.6dB and a spurious free dynamic range (SFDR) of 85dB at 70MHz input frequency.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Resolution | 10 Bits (No Missing Codes) | |||
| Sample Rate | 80 Msps | |||
| Supply Voltage | 2.7 V | 3.4 V | V | |
| Power Consumption | 422 mW | mW | ||
| SNR at 70MHz Input | 61.6 dB | dB | ||
| SFDR at 70MHz Input | 85 dB | dB | ||
| Channel Isolation at 100MHz | 110 dB | dB | ||
| Full Power Bandwidth S/H | 575 MHz | MHz | ||
| Operating Temperature | 0°C | 70°C | °C | |
| Package Type | 64-QFN (9x9 mm) |
Key Features
- Integrated Dual 10-Bit ADCs with simultaneous sampling capability.
- Sample Rate of 80 Msps.
- Single 3V supply (2.7V to 3.4V) with low power consumption of 422mW.
- High AC performance: 61.6dB SNR and 85dB SFDR at 70MHz input frequency.
- 110dB channel isolation at 100MHz.
- Multiplexed or separate data bus options.
- Flexible input range: 1V P-P to 2V P-P.
- 575MHz full power bandwidth sample-and-hold (S/H).
- Clock duty cycle stabilizer for high performance across various clock duty cycles.
- Shutdown and nap modes for power management.
- Pin compatible with other ADCs in the LTC228x family.
Applications
- Wireless and Wired Broadband Communication systems.
- Imaging Systems, including medical and industrial imaging.
- Spectral Analysis and signal processing applications.
- Portable Instrumentation and test equipment.
Q & A
- What is the resolution of the LTC2289CUP ADC?
The LTC2289CUP has a resolution of 10 bits with no missing codes.
- What is the sampling rate of the LTC2289CUP?
The sampling rate is 80 Msps.
- What is the supply voltage range for the LTC2289CUP?
The supply voltage range is from 2.7V to 3.4V.
- How much power does the LTC2289CUP consume?
The power consumption is typically 422mW.
- What is the SNR of the LTC2289CUP at 70MHz input frequency?
The SNR is 61.6dB at 70MHz input frequency.
- What is the SFDR of the LTC2289CUP at 70MHz input frequency?
The SFDR is 85dB at 70MHz input frequency.
- Does the LTC2289CUP support multiplexed or separate data bus options?
Yes, it supports both multiplexed and separate data bus options.
- What is the full power bandwidth of the sample-and-hold (S/H) circuit?
The full power bandwidth of the S/H circuit is 575MHz.
- Does the LTC2289CUP have power management features?
Yes, it includes shutdown and nap modes for power management.
- What are the typical applications of the LTC2289CUP?
Typical applications include wireless and wired broadband communication, imaging systems, spectral analysis, and portable instrumentation.
