Overview
The LTC2173IUKG-12 is a 12-bit, 80Msps, 4-channel simultaneous sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for digitizing high frequency, wide dynamic range signals, making it ideal for demanding communications applications. It features low power consumption, high AC performance, and a compact 52-pin QFN package.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 | Bits |
| Sampling Rate | 80 | Msps |
| Integral Linearity Error (INL) | ±0.3 | LSB |
| Differential Linearity Error (DNL) | ±0.1 | LSB |
| Signal-to-Noise Ratio (SNR) | 70.6 | dB |
| Spurious Free Dynamic Range (SFDR) | 88 | dB |
| Jitter | 0.15 | psRMS |
| Analog Supply Voltage | 1.7 - 1.9 | V |
| Digital Supply Voltage | 1.7 - 1.9 | V |
| Analog Supply Current | 180 - 196 | mA |
| Digital Supply Current | 26 - 48 | mA |
| Power Dissipation | 439 - 479 | mW |
| Operating Temperature | -40°C to 85°C | |
| Package | 52-QFN (7x8) |
Key Features
- 4-channel simultaneous sampling ADC
- Low power consumption: 439mW to 479mW total, 40mW to 50mW per channel
- Single 1.8V supply voltage
- Serial LVDS outputs: one or two bits per channel
- Selectable input ranges: 1Vpp to 2Vpp
- 800MHz 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
- Ultralow jitter of 0.15psRMS for excellent noise performance
Applications
The LTC2173IUKG-12 is particularly suited for demanding communications applications, including:
- High frequency signal processing
- Wide dynamic range signal digitization
- IF (Intermediate Frequency) undersampling
- Wireless communication systems
- Radar and surveillance systems
- High-speed data acquisition systems
Q & A
- What is the resolution of the LTC2173IUKG-12 ADC?
The resolution of the LTC2173IUKG-12 is 12 bits.
- What is the sampling rate of the LTC2173IUKG-12?
The sampling rate of the LTC2173IUKG-12 is 80 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2173IUKG-12?
The SNR of the LTC2173IUKG-12 is 70.6 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2173IUKG-12?
The SFDR of the LTC2173IUKG-12 is 88 dB.
- What is the jitter performance of the LTC2173IUKG-12?
The jitter of the LTC2173IUKG-12 is 0.15 psRMS.
- What are the supply voltage requirements for the LTC2173IUKG-12?
The LTC2173IUKG-12 requires a supply voltage of 1.7V to 1.9V for both analog and digital supplies.
- What is the package type and size of the LTC2173IUKG-12?
The LTC2173IUKG-12 comes in a 52-QFN package with dimensions of 7x8 mm.
- Does the LTC2173IUKG-12 support simultaneous sampling?
- What are the power management features of the LTC2173IUKG-12?
The LTC2173IUKG-12 includes shutdown and nap modes for power management.
- How does the LTC2173IUKG-12 output data?
The LTC2173IUKG-12 outputs data via serial LVDS, with options for one or two bits per channel.
