Overview
The AD7634BCPZRL is an 18-bit, 670 kSPS, differential programmable input PulSAR (Successive Approximation Register) analog-to-digital converter (ADC) fabricated on Analog Devices, Inc.'s iCMOS high voltage process. This device is designed for high-speed and high-accuracy data acquisition and is configured through hardware or via a dedicated write-only serial configuration port for input range and operating mode.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 18-bit | |
| Sampling Rate | Up to 670 kSPS | |
| Input Ranges | Four different ranges | |
| Operating Modes | Warp, Normal, Impulse | |
| Power Dissipation | 180 mW @ 670 kSPS (Warp mode), 28 mW @ 100 kSPS (Impulse mode), 10 mW @ 1 kSPS (Impulse mode) | mW |
| Temperature Range | −40°C to +85°C | °C |
| Package | 48-Lead LQFP and 48-Lead LFCSP (7 mm × 7 mm) | |
| Signal-to-Noise Ratio (SNR) | 98.5 dB to 101 dB | dB |
| Total Harmonic Distortion (THD) | 112 dB | dB |
| Spurious-Free Dynamic Range (SFDR) | 113 dB | dB |
| Input Bandwidth | 45 MHz | MHz |
Key Features
- High-speed 18-bit sampling ADC with internal conversion clock and internal reference.
- Four different analog input ranges and three different sampling modes (Warp, Normal, Impulse).
- Serial and parallel system interface ports.
- Error correction circuits and high CMRR (Common Mode Rejection Ratio).
- Low power consumption with various power modes.
- Pb-free, 48-lead LQFP and 48-Lead LFCSP packages.
Applications
- CT scanners
- High dynamic data acquisition
- Σ-Δ replacement
- Spectrum analysis
- Medical instruments
- Instrumentation
- Process controls
Q & A
- What is the resolution of the AD7634BCPZRL ADC? The AD7634BCPZRL has an 18-bit resolution.
- What are the different sampling modes available for the AD7634BCPZRL? The AD7634BCPZRL operates in Warp, Normal, and Impulse modes.
- What is the maximum sampling rate of the AD7634BCPZRL? The maximum sampling rate is up to 670 kSPS in Warp mode.
- What are the input ranges available for the AD7634BCPZRL? The device has four different analog input ranges.
- What is the temperature range for the AD7634BCPZRL? The device operates from −40°C to +85°C.
- What are the package options for the AD7634BCPZRL? The device is available in 48-Lead LQFP and 48-Lead LFCSP (7 mm × 7 mm) packages.
- What is the power dissipation of the AD7634BCPZRL in different modes? Power dissipation varies: 180 mW @ 670 kSPS (Warp mode), 28 mW @ 100 kSPS (Impulse mode), and 10 mW @ 1 kSPS (Impulse mode).
- What is the Signal-to-Noise Ratio (SNR) of the AD7634BCPZRL? The SNR ranges from 98.5 dB to 101 dB depending on the input range.
- What are some typical applications of the AD7634BCPZRL? Typical applications include CT scanners, high dynamic data acquisition, Σ-Δ replacement, spectrum analysis, medical instruments, instrumentation, and process controls.
- Does the AD7634BCPZRL have internal reference and clock? Yes, the device includes an internal conversion clock and internal reference.
