Overview
The Texas Instruments ADC12DJ3200ZEGT is a high-performance, RF-sampling, analog-to-digital converter (ADC) designed for operation in harsh environments. This 12-bit, dual-channel ADC is capable of sampling input frequencies from DC to above 10 GHz, making it ideal for applications requiring high bandwidth and precision. The device features a buffered analog input with a wide input range and internal supply and reference capacitors, ensuring robust performance across various conditions.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate (Single Channel) | Up to 6.4 GSPS |
| Sampling Rate (Dual Channel) | Up to 3.2 GSPS per channel |
| Analog Input Bandwidth (–3 dB) | 8.0 GHz |
| Usable Input Frequency Range | >10 GHz |
| Full-scale Input Voltage (VFS, default) | 0.8 V PP |
| Analog Input Common-mode (VICM) | 0 V |
| Noise Floor (no signal, VFS= 1.0 V PP-DIFF) | Dual-channel mode: –151.8 dBFS/Hz, Single-channel mode: –154.6 dBFS/Hz |
| HD2, HD3 | –65 dBc up to 3 GHz |
| Output Interface | JESD204B subclass-1 compliant with up to 16 lanes |
| Total Ionizing Dose (TID) | 300 krad (Si) |
| Single Event Latchup (SEL) | 120 MeV-cm2/mg |
Key Features
- High-speed RF-sampling ADC with buffered analog inputs
- Programmable tradeoffs in channel count and Nyquist bandwidth
- Noiseless aperture delay (tAD) adjustment
- Automatic SYSREF timing calibration
- Integrated digital down converter
- JESD204B subclass-1 compliant interface with up to 16 lanes
- Low power consumption with ultra-low jitter clocking solutions
- Point-of-load (POL) solutions for space-grade power management
Applications
- Advanced radar imaging applications
- High-throughput communication systems
- Frequency agile systems (L-band, S-band, C-band, X-band)
- Space-grade and harsh radiation environments
- High-speed data acquisition systems
Q & A
- What is the resolution of the ADC12DJ3200ZEGT?
The ADC12DJ3200ZEGT has a 12-bit resolution.
- What are the sampling rates for single and dual channel modes?
The ADC can sample up to 6.4 GSPS in single-channel mode and up to 3.2 GSPS per channel in dual-channel mode.
- What is the analog input bandwidth of the ADC12DJ3200ZEGT?
The analog input bandwidth is 8.0 GHz.
- What is the usable input frequency range of the ADC?
The usable input frequency range exceeds 10 GHz.
- What is the full-scale input voltage of the ADC?
The full-scale input voltage is 0.8 V PP by default.
- Does the ADC12DJ3200ZEGT support JESD204B interface?
Yes, it supports JESD204B subclass-1 compliant interface with up to 16 lanes.
- What are the radiation tolerance specifications of the ADC?
The ADC has a Total Ionizing Dose (TID) of 300 krad (Si) and Single Event Latchup (SEL) of 120 MeV-cm2/mg.
- What are some of the key applications for the ADC12DJ3200ZEGT?
Key applications include advanced radar imaging, high-throughput communication systems, frequency agile systems, and space-grade environments.
- Does the ADC12DJ3200ZEGT have integrated digital down conversion capabilities?
Yes, it has an integrated digital down converter.
- What is the significance of noiseless aperture delay adjustment in the ADC12DJ3200ZEGT?
The noiseless aperture delay adjustment helps in maintaining high precision and avoiding aliasing issues.
