Overview
The ADS54J40IRMP is a low-power, wide-bandwidth, 14-bit, 1.0-GSPS (gigasamples per second), dual-channel analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is designed to deliver a high signal-to-noise ratio (SNR) and is optimized for applications requiring the highest dynamic range over a wide instantaneous bandwidth. The ADS54J40IRMP features a noise floor of –158 dBFS/Hz, making it suitable for high-performance signal processing.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14-bit |
| Sampling Rate | 1.0 GSPS |
| Channels | Dual-channel |
| Noise Floor | –158 dBFS/Hz |
| Spectral Performance (fIN = 170 MHz at –1 dBFS) |
|
| Spectral Performance (fIN = 350 MHz at –1 dBFS) |
|
| Channel Isolation | 100 dBc at fIN = 170 MHz |
| Input Full-Scale | 1.9 VPP |
| Input Bandwidth (3 dB) | 1.2 GHz |
| Power Dissipation | 1.35 W/ch at 1 GSPS |
| Package | 72-pin VQFNP (10 mm × 10 mm) |
| Operating Temperature Range | –40 to 85°C |
Key Features
- 14-bit resolution, dual-channel, 1-GSPS ADC
- Noise floor: –158 dBFS/Hz
- On-chip dither
- Integrated wideband digital down-converter (DDC) block
- JESD204B interface with subclass 1 support:
- 2 lanes per ADC at 10.0 Gbps
- 4 lanes per ADC at 5.0 Gbps
- Support for multi-chip synchronization
- Buffered analog input providing uniform input impedance across a wide frequency range and minimizing sample-and-hold glitch energy
- Internal phase-locked loop (PLL) for deriving the bit clock from the ADC sampling clock
Applications
The ADS54J40IRMP is suitable for various high-performance applications, including:
- Radar and electronic warfare systems
- Medical imaging and diagnostics
- High-speed data acquisition systems
- Aerospace and defense systems
- Test and measurement equipment
Q & A
- What is the resolution and sampling rate of the ADS54J40IRMP?
The ADS54J40IRMP has a 14-bit resolution and a sampling rate of 1.0 GSPS.
- How many channels does the ADS54J40IRMP have?
The device is a dual-channel ADC.
- What is the noise floor of the ADS54J40IRMP?
The noise floor is –158 dBFS/Hz.
- What is the spectral performance of the ADS54J40IRMP at 170 MHz input frequency?
At 170 MHz input frequency, the SNR is 69.0 dBFS, NSD is –155.9 dBFS/Hz, and SFDR is 86 dBc (including interleaving tones) or 89 dBc (except HD2, HD3, and interleaving tones).
- What is the input full-scale voltage of the ADS54J40IRMP?
The input full-scale voltage is 1.9 VPP.
- What is the input bandwidth (3 dB) of the ADS54J40IRMP?
The input bandwidth (3 dB) is 1.2 GHz.
- What interface does the ADS54J40IRMP support?
The device supports the JESD204B serial interface with data rates up to 10.0 Gbps.
- Does the ADS54J40IRMP support multi-chip synchronization?
- What is the power dissipation of the ADS54J40IRMP per channel at 1 GSPS?
The power dissipation is 1.35 W per channel at 1 GSPS.
- What is the package type and size of the ADS54J40IRMP?
The device is packaged in a 72-pin VQFNP package with dimensions of 10 mm × 10 mm.
