Overview
The ADC16DX370RMET from Texas Instruments is a high-performance, monolithic dual-channel analog-to-digital converter (ADC). This device is capable of converting analog input signals into 16-bit digital words at a sampling rate of 370 million samples per second (MSPS). It features a differential pipelined architecture with integrated input buffers, which provide excellent dynamic performance and low power consumption. The ADC16DX370RMET is designed to simplify system-level design by integrating key components such as input buffers, clock dividers, and precision references, making it an ideal choice for various high-speed applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Bit resolution of ADC core | 16 bits |
| Conversion Rate | Sampling rate | 370 MSPS |
| Input Full Scale Range | Analog input full scale range | 1.7 Vp-p |
| Signal-to-Noise Ratio (SNR) | Integrated across entire Nyquist bandwidth | 69.6 dBFS (at 150 MHz, -3 dBFS) |
| Spurious Free Dynamic Range (SFDR) | Maximum spurious free dynamic range | 88 dBFS |
| Noise Spectral Density | Noise spectral density | -152.3 dBFS/Hz |
| Power Dissipation | Power consumption per channel | 800 mW |
| Package | Package type and size | 56-Pin WQFN, 8.00 × 8.00 mm |
| Analog Supply Voltage | Analog supply voltage range | 2.85 V to 3.45 V (VA3.0), 1.7 V to 1.9 V (VA1.8), 1.15 V to 1.25 V (VA1.2) |
| Digital Supply Voltage | Digital supply voltage range | 1.15 V to 1.25 V (VD1.2) |
Key Features
- High Resolution and Speed: 16-bit resolution with a sampling rate of 370 MSPS.
- Differential Pipelined Architecture: Integrated input buffers to reduce charge kickback noise and simplify system design.
- Low Power Consumption: 800 mW per channel, making it suitable for power-sensitive applications.
- Precision Reference: On-chip precision reference without the need for external components.
- JESD204B Interface: Supports 7.4 Gb/s JESD204B outputs for high-speed data transfer.
- Configurable Clocking: Input sampling clock divider with configurable phase selection.
- Thermal Management: Exposed thermal pad for improved thermal dissipation.
Applications
- High IF Sampling Receivers: Suitable for high intermediate frequency (IF) sampling in various communication systems.
- Multi-Carrier Base Station Receivers: Supports GSM/EDGE, CDMA2000, UMTS, LTE, and WiMax standards.
- Diversity, Multi-Mode, and Multiband Receivers: Ideal for diverse and multi-mode receiver applications.
- Digital Pre-Distortion: Used in digital pre-distortion circuits to improve signal quality.
- Test and Measurement Equipment: Employed in various test and measurement instruments.
- Communications Instrumentation: Used in communication instrumentation and portable instrumentation.
Q & A
- What is the resolution and sampling rate of the ADC16DX370RMET?
The ADC16DX370RMET has a 16-bit resolution and a sampling rate of 370 MSPS. - What is the input full scale range of the ADC?
The input full scale range is 1.7 Vp-p. - What is the signal-to-noise ratio (SNR) of the ADC?
The SNR is 69.6 dBFS at 150 MHz, -3 dBFS. - What is the power consumption per channel of the ADC?
The power consumption per channel is 800 mW. - What type of package does the ADC16DX370RMET come in?
The ADC comes in a 56-Pin WQFN package, 8.00 × 8.00 mm in size. - What are the analog and digital supply voltage ranges for the ADC?
The analog supply voltage ranges are 2.85 V to 3.45 V (VA3.0), 1.7 V to 1.9 V (VA1.8), and 1.15 V to 1.25 V (VA1.2). The digital supply voltage range is 1.15 V to 1.25 V (VD1.2). - Does the ADC support any high-speed data transfer interfaces?
Yes, it supports the 7.4 Gb/s JESD204B interface. - What are some of the key applications of the ADC16DX370RMET?
It is used in high IF sampling receivers, multi-carrier base station receivers, diversity, multi-mode, and multiband receivers, digital pre-distortion, test and measurement equipment, and communications instrumentation. - How does the ADC manage thermal dissipation?
The ADC has an exposed thermal pad that must be connected to the AGND ground plane for good thermal dissipation properties. - What is the purpose of the integrated input buffers in the ADC?
The integrated input buffers eliminate charge kickback noise and ease the system-level design of the driving amplifier, anti-aliasing filter, and impedance matching.
