Overview
The AD7612BSTZ-RL is a 16-bit, high-speed analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the PulSAR® series and is fabricated using Analog Devices' iCMOS high-voltage process. The AD7612 is designed for high-performance applications requiring precise and fast analog-to-digital conversion. It features a successive approximation register (SAR) architecture, which ensures no pipeline delay and supports both parallel and serial interfaces. The device is configurable through hardware or a dedicated serial configuration port, allowing for flexibility in input range and operating mode.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | 750 kSPS | |
| Integral Nonlinearity (INL) | ±0.75 LSB (typical), ±1.5 LSB (maximum) | |
| Differential Nonlinearity (DNL) | ±1.5 LSB | |
| Signal-to-Noise Ratio (SNR) | 92 dB (minimum at 2 kHz), 94 dB (typical at 2 kHz) | |
| Total Harmonic Distortion (THD) | -107 dB (typical) | |
| Input Range | Four different analog input ranges | |
| Operating Temperature | -40°C to +85°C | |
| Package | 48-Lead LQFP (7mm x 7mm) | |
| Interface | Parallel (16- or 8-bit bus) and serial (SPI-/QSPI-/MICROWIRE-/DSP-compatible) | |
| Power Dissipation | 190 mW @ 750 kSPS |
Key Features
- SAR Architecture: No pipeline delay, ensuring fast and accurate conversions.
- High-Speed Sampling: Up to 750 kSPS in impulse mode.
- Flexible Interface: Supports both parallel (16- or 8-bit bus) and serial interfaces (SPI-/QSPI-/MICROWIRE-/DSP-compatible).
- Internal Reference: 5 V internal reference with typical drift of 3 ppm/°C.
- Low Power Consumption: Power dissipation of 190 mW at 750 kSPS.
- Multiple Operating Modes: Warp mode for the fastest throughput, normal mode for the fastest asynchronous throughput, and impulse mode where power consumption is scaled linearly with throughput.
- High Accuracy: ±0.75 LSB typical and ±1.5 LSB maximum integral nonlinearity.
Applications
- Process Control: High-precision data acquisition for process monitoring and control.
- Medical Instruments: Accurate and reliable data conversion in medical devices.
- High-Speed Data Acquisition: Fast and precise data conversion in various high-speed applications.
- Digital Signal Processing: Efficient conversion for digital signal processing tasks.
- Instrumentation: Precise measurements in instrumentation systems.
- Spectrum Analysis: High-quality data conversion for spectrum analysis applications.
- Automated Test Equipment (ATE): Reliable and accurate data conversion in automated testing environments.
Q & A
- What is the resolution of the AD7612BSTZ-RL ADC?
The AD7612BSTZ-RL has a 16-bit resolution.
- What is the maximum sampling rate of the AD7612BSTZ-RL?
The maximum sampling rate is 750 kSPS.
- What types of interfaces does the AD7612BSTZ-RL support?
The device supports both parallel (16- or 8-bit bus) and serial interfaces (SPI-/QSPI-/MICROWIRE-/DSP-compatible).
- What is the operating temperature range of the AD7612BSTZ-RL?
The operating temperature range is from -40°C to +85°C.
- Does the AD7612BSTZ-RL have an internal reference?
- What are the different operating modes of the AD7612BSTZ-RL?
The device operates in warp mode, normal mode, and impulse mode.
- What is the power dissipation of the AD7612BSTZ-RL at 750 kSPS?
The power dissipation is 190 mW at 750 kSPS.
- What is the typical signal-to-noise ratio (SNR) of the AD7612BSTZ-RL?
The typical SNR is 94 dB at 2 kHz.
- What are some common applications of the AD7612BSTZ-RL?
Common applications include process control, medical instruments, high-speed data acquisition, digital signal processing, instrumentation, spectrum analysis, and automated test equipment (ATE).
- What package type is the AD7612BSTZ-RL available in?
The device is available in a 48-Lead LQFP (7mm x 7mm) package.
