Overview
The LTC2292CUP, 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 LTC2292 series, which includes models with sampling rates of 65Msps, 40Msps, and 25Msps. The LTC2292 specifically operates at a sampling rate of 40Msps, making it ideal for demanding imaging and communications applications.
With its single 3V supply (operating range of 2.7V to 3.4V) and low power consumption of 235mW, this ADC offers exceptional 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 | Unit |
|---|---|---|
| Resolution | 12 | Bits |
| Sampling Rate | 40 | Msps |
| Analog Supply Voltage | 2.7V to 3.4V | V |
| Power Dissipation | 235 | mW |
| SNR | 71.3 | dB |
| SFDR | 90 | dB |
| Channel Isolation at 100MHz | 110 | dB |
| Input Type | Differential/Single-Ended | |
| Integral Nonlinearity Error (INL) | ±0.3 LSB | |
| Differential Nonlinearity Error (DNL) | ±0.15 LSB | |
| Package/Case | QFN-64 |
Key Features
- Integrated Dual 12-Bit ADCs
- Sample Rate: 40Msps
- Single 3V Supply (2.7V to 3.4V)
- Low Power: 235mW
- 71.3 dB SNR and 90dB SFDR at the Nyquist frequency
- 110dB Channel Isolation at 100MHz
- Multiplexed or Separate Data Bus
- Flexible Input: 1V P-P to 2V P-P Range
- 575MHz Full Power Bandwidth S/H
- Clock Duty Cycle Stabilizer
- Shutdown and Nap Modes
- Pin Compatible Family
Applications
- Defence surveillance systems
- Automotive systems
- Data acquisition systems
- Imaging applications
- Communications systems requiring high frequency signal digitization
Q & A
- What is the sampling rate of the LTC2292CUP?
The LTC2292CUP has a sampling rate of 40Msps.
- What is the power supply requirement for the LTC2292CUP?
The LTC2292CUP operates on a single 3V supply (2.7V to 3.4V).
- What is the SNR and SFDR of the LTC2292CUP at the Nyquist frequency?
The SNR is 71.3dB and the SFDR is 90dB at the Nyquist frequency.
- Does the LTC2292CUP support multiplexed or separate data buses?
Yes, the LTC2292CUP supports both multiplexed and separate data buses.
- What is the channel isolation of the LTC2292CUP at 100MHz?
The channel isolation is 110dB at 100MHz.
- What are the shutdown modes available on the LTC2292CUP?
The LTC2292CUP has shutdown and nap modes for power management.
- What is the package type of the LTC2292CUP?
The LTC2292CUP is packaged in a 64-pin QFN (9mm × 9mm × 0.75mm).
- What are some typical applications of the LTC2292CUP?
Typical applications include defence surveillance, automotive systems, data acquisition, and imaging and communications systems.
- Is the LTC2292CUP pin compatible with other models in the series?
Yes, the LTC2292CUP is pin compatible with other models in the LTC2292 series.
- What is the full power bandwidth of the sample and hold (S/H) of the LTC2292CUP?
The full power bandwidth of the S/H is 575MHz.
