Overview
The ADS42JB69IRGCT is a high-performance, dual-channel analog-to-digital converter (ADC) produced by Texas Instruments. This device is part of the ADS42JBx9 family, offering 16-bit resolution and a maximum sampling rate of 250 MSPS. It is designed to support a wide range of high-speed applications, including communication and cable infrastructure, multi-carrier and multimode cellular receivers, radar and smart antenna arrays, and test and measurement systems.
The ADS42JB69 features a JESD204B serial interface with data rates up to 3.125 Gbps, making it suitable for high-bandwidth data transmission. The device includes an analog input buffer with high-impedance input, internal dither for improved spurious-free dynamic range, and a flexible input clock buffer with divide-by-1, -2, and -4 options.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Maximum Sampling Rate | 250 MSPS | |
| Analog Input Voltage Range | 2 VPP, 2.5 VPP (register programmable) | |
| Input Common-Mode Voltage | VCM ± 0.025 V | |
| Aperture Jitter | 85 fS rms | |
| Channel Isolation | 100 dB | |
| SNR (fIN = 170 MHz, 2 VPP, –1 dBFS) | 73.3 dBFS | |
| SFDR (fIN = 170 MHz, 2 VPP, –1 dBFS) | 93 dBc for HD2, HD3; 100 dBc for Non HD2, HD3 | |
| Power Dissipation per Channel | 850 mW | |
| Package | 9-mm × 9-mm VQFN-64 | |
| Operating Temperature Range | –40°C to +85°C |
Key Features
- Dual-channel ADCs with 16-bit resolution
- Maximum clock rate of 250 MSPS
- JESD204B serial interface with data rates up to 3.125 Gbps
- Analog input buffer with high-impedance input
- Internal dither for improved spurious-free dynamic range
- Flexible input clock buffer with divide-by-1, -2, and -4 options
- Support for LVPECL, LVDS, and LVCMOS clock inputs
- High channel isolation of 100 dB
Applications
- Communication and cable infrastructure
- Multi-carrier and multimode cellular receivers
- Radar and smart antenna arrays
- Test and measurement systems
- Broadband wireless systems
- Software-defined and diversity radios
- Microwave and dual-channel I/Q receivers
- Repeaters and power amplifier linearization
Q & A
- What is the maximum sampling rate of the ADS42JB69?
The maximum sampling rate of the ADS42JB69 is 250 MSPS.
- What is the resolution of the ADS42JB69 ADC?
The ADS42JB69 has a 16-bit resolution.
- What type of serial interface does the ADS42JB69 support?
The ADS42JB69 supports the JESD204B serial interface.
- What is the maximum data rate of the JESD204B interface on the ADS42JB69?
The JESD204B interface on the ADS42JB69 supports data rates up to 3.125 Gbps.
- What is the typical power dissipation per channel for the ADS42JB69?
The typical power dissipation per channel for the ADS42JB69 is 850 mW.
- What is the operating temperature range of the ADS42JB69?
The operating temperature range of the ADS42JB69 is –40°C to +85°C.
- What types of clock inputs are supported by the ADS42JB69?
The ADS42JB69 supports LVPECL, LVDS, and LVCMOS clock inputs.
- What is the channel isolation of the ADS42JB69?
The channel isolation of the ADS42JB69 is 100 dB.
- What are some of the key applications for the ADS42JB69?
The ADS42JB69 is used in communication and cable infrastructure, multi-carrier and multimode cellular receivers, radar and smart antenna arrays, test and measurement systems, and more.
- What package type is the ADS42JB69 available in?
The ADS42JB69 is available in a 9-mm × 9-mm VQFN-64 package.
