Overview
The ADC12J2700NKER is a high-performance, 12-bit, 2.7-GSPS RF sampling analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADC12J series, which includes wideband sampling and digital tuning capabilities. The ADC12J2700 enables direct sampling of a large block of frequency spectrum at RF frequencies, making it ideal for various high-frequency applications. It features an integrated Digital Down Converter (DDC) that provides digital filtering and down-conversion, and the data is output via a JESD204B serial interface.
Key Specifications
| Parameter | Value |
|---|---|
| Max Sampling Rate | 1600 or 2700 MSPS |
| Min Sampling Rate | 1000 MSPS |
| DDC Output Word Size | 15-Bit Complex (30 bits total) |
| Bypass Output Word Size | 12-Bit Offset Binary |
| Noise Floor | –147.3 dBFS/Hz (ADC12J2700), –145 dBFS/Hz (ADC12J1600) |
| IMD3 | −64 dBc (FIN= 2140 MHz ± 30 MHz at −13 dBFS) |
| FPBW (–3 dB) | 3.2 GHz |
| Peak NPR | 46 dB |
| Supply Voltages | 1.9 V and 1.2 V |
| Power Consumption | Bypass (2700 MSPS): 1.8 W, Bypass (1600 MSPS): 1.6 W, Power Down Mode: <50 mW |
| Package | VQFNP (NKE) with 68 pins |
| Operating Temperature Range | –40°C to 85°C |
Key Features
- Excellent Noise and Linearity up to and beyond FIN= 3 GHz
- Configurable DDC with decimation factors from 4 to 32 (Complex Baseband Out)
- Bypass Mode for Full Nyquist Output Bandwidth
- Usable Output Bandwidths:
- 540 MHz at 4x Decimation and 2700 MSPS
- 320 MHz at 4x Decimation and 1600 MSPS
- 67.5 MHz at 32x Decimation and 2700 MSPS
- 40 MHz at 32x Decimation and 1600 MSPS
- Low Pin-Count JESD204B Subclass 1 Interface
- Automatically Optimized Output Lane Count
- Embedded Low Latency Signal Range Indication
- Low Power Consumption
Applications
The ADC12J2700NKER is suitable for a variety of high-frequency applications, including:
- Radar Systems: For wideband radar applications requiring high sampling rates and excellent noise and linearity performance.
- Wireless Communication Systems: For 5G and other wireless communication systems that need to process wideband signals.
- Test and Measurement Equipment: For high-speed data acquisition and signal processing in test and measurement instruments.
- Electronic Warfare and Surveillance: For applications requiring the analysis of wideband RF signals.
Q & A
- What is the maximum sampling rate of the ADC12J2700NKER?
The maximum sampling rate is 2700 MSPS, with an option for 1600 MSPS.
- What is the noise floor of the ADC12J2700NKER?
The noise floor is –147.3 dBFS/Hz for the ADC12J2700 and –145 dBFS/Hz for the ADC12J1600.
- What is the operating temperature range of the ADC12J2700NKER?
The operating temperature range is –40°C to 85°C.
- What type of interface does the ADC12J2700NKER use for data output?
The device uses a JESD204B serial interface.
- What are the supply voltages for the ADC12J2700NKER?
The supply voltages are 1.9 V and 1.2 V.
- Does the ADC12J2700NKER have a power-down mode?
- What is the package type and pin count of the ADC12J2700NKER?
The device is packaged in a VQFNP (NKE) package with 68 pins.
- What are the decimation factors available for the DDC in the ADC12J2700NKER?
The decimation factors range from 4 to 32.
- Can the ADC12J2700NKER output raw ADC data?
- What is the FPBW (–3 dB) of the ADC12J2700NKER?
The FPBW (–3 dB) is 3.2 GHz.
