Overview
The LTC2170IUKG-12, produced by Analog Devices Inc., is a 4-channel, simultaneous sampling 12-bit analog-to-digital converter (ADC) designed for digitizing high frequency, wide dynamic range signals. This device is particularly suited for demanding communications applications, offering exceptional AC performance with a signal-to-noise ratio (SNR) of 71dB and a spurious free dynamic range (SFDR) of 90dB. The ADC features an ultralow jitter of 0.15ps RMS, enabling the undersampling of IF frequencies with excellent noise performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 4 |
| Sampling Rate | 25 Msps |
| SNR | 71 dB |
| SFDR | 90 dB |
| Power Consumption | 306 mW (total), 77 mW per channel |
| Supply Voltage | 1.7 V to 1.9 V (analog and digital) |
| Input Range | 1 Vpp to 2 Vpp |
| Full Power Bandwidth Sample-and-Hold | 800 MHz |
| Package | 52-pin QFN (7mm x 8mm) |
| Operating Temperature | -40°C to 85°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- 4-channel simultaneous sampling ADC
- 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: 1 Vpp to 2 Vpp
- 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
- Optional internal termination and adjustable output levels for LVDS drivers
Applications
The LTC2170IUKG-12 is ideal for demanding communications applications, including:
- High-frequency signal processing
- Wide dynamic range signal digitization
- IF frequency undersampling with excellent noise performance
- Communications systems requiring low jitter and high SNR/SFDR
Q & A
- What is the resolution of the LTC2170IUKG-12 ADC?
The resolution of the LTC2170IUKG-12 is 12 bits.
- How many channels does the LTC2170IUKG-12 have?
The LTC2170IUKG-12 has 4 channels.
- What is the sampling rate of the LTC2170IUKG-12?
The sampling rate of the LTC2170IUKG-12 is 25 Msps.
- What is the SNR of the LTC2170IUKG-12?
The SNR of the LTC2170IUKG-12 is 71 dB.
- What is the SFDR of the LTC2170IUKG-12?
The SFDR of the LTC2170IUKG-12 is 90 dB.
- What is the power consumption of the LTC2170IUKG-12?
The total power consumption is 306 mW, with 77 mW per channel.
- What is the supply voltage range for the LTC2170IUKG-12?
The supply voltage range is 1.7 V to 1.9 V for both analog and digital supplies.
- What are the input ranges for the LTC2170IUKG-12?
The input ranges are selectable from 1 Vpp to 2 Vpp.
- What is the full power bandwidth of the sample-and-hold circuit?
The full power bandwidth of the sample-and-hold circuit is 800 MHz.
- What package type is the LTC2170IUKG-12 available in?
The LTC2170IUKG-12 is available in a 52-pin QFN package (7mm x 8mm).
