Overview
The LTC2172CUKG-12#PBF is a high-performance, 4-channel, simultaneous sampling 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This IC is designed to digitize high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. It features a rapid sampling rate of 65 million samples per second (MSPS) and supports both differential and single-ended input channel types. The ADC operates on a single 1.8V supply and is packaged in a compact 52-pin QFN format, ensuring efficient and space-saving design solutions.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Number of Channels | 4 |
| Sampling Rate | 65 MSPS |
| Input Type | Differential/Single-Ended |
| Data Interface | LVDS - Serial (SPI) |
| Configuration | S/H-ADC |
| Reference Type | Internal |
| Analog Supply Voltage | 1.7V ~ 1.9V |
| Digital Supply Voltage | 1.7V ~ 1.9V |
| Operating Temperature | 0°C ~ 70°C |
| Package / Case | 52-Pin QFN (7x8 mm) |
| Mounting Type | Surface Mount |
| SNR | 71 dB |
| SFDR | 90 dB |
| Power Dissipation | 306 mW |
| INL (Integral Nonlinearity) | ±0.3 LSB (typ) |
| DNL (Differential Nonlinearity) | ±0.1 LSB (typ) |
Key Features
- 4-channel simultaneous sampling ADC
- High sampling rate of 65 MSPS
- Low power consumption: 306 mW total, 77 mW per channel
- Single 1.8V supply
- Serial LVDS outputs: one or two bits per channel
- Selectable input ranges: 1V P-P to 2V P-P
- 800 MHz full power bandwidth sample-and-hold
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin-compatible 14-bit and 12-bit versions
- Internal clock duty cycle stabilizer for high performance
- Ultralow jitter of 0.15 ps RMS
Applications
The LTC2172CUKG-12#PBF is particularly suited for demanding communications applications, including:
- High-frequency signal processing
- Wide dynamic range signal digitization
- Communications systems requiring high AC performance
- Undersampling of IF frequencies with excellent noise performance
- Applications requiring low power and high-speed data conversion
Q & A
- What is the sampling rate of the LTC2172CUKG-12#PBF?
The sampling rate is 65 million samples per second (MSPS).
- How many channels does the LTC2172CUKG-12#PBF have?
The ADC has 4 channels.
- What is the resolution of the LTC2172CUKG-12#PBF?
The resolution is 12 bits.
- What type of data interface does the LTC2172CUKG-12#PBF support?
The ADC supports serial LVDS and SPI data interfaces.
- What is the power supply voltage for the LTC2172CUKG-12#PBF?
The ADC operates on a single 1.8V supply.
- What are the key performance metrics of the LTC2172CUKG-12#PBF?
The key metrics include 71 dB SNR, 90 dB SFDR, and an ultralow jitter of 0.15 ps RMS.
- What package type is the LTC2172CUKG-12#PBF available in?
The ADC is packaged in a 52-pin QFN (7x8 mm) format.
- Does the LTC2172CUKG-12#PBF support shutdown and nap modes?
Yes, it supports shutdown and nap modes for power management.
- What is the typical power consumption of the LTC2172CUKG-12#PBF?
The total power consumption is 306 mW, with 77 mW per channel.
- Is the LTC2172CUKG-12#PBF RoHS compliant?
Yes, the IC is RoHS compliant).
