Overview
The AD7667ACPZRL is a 16-bit, 1 MSPS (Mega Samples Per Second) PulSAR (Successive Approximation Register) analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed to offer high-speed sampling with low power consumption, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
The AD7667ACPZRL features a 16-bit resolution, ensuring high accuracy in digital output. It operates on a single 5 V power supply and includes an internal reference voltage, internal conversion clock, and error correction circuitry. The device supports both parallel and serial interfaces, including SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 1 MSPS (Warp mode), 800 kSPS (Normal mode), 666 kSPS (Pulse mode) |
| Integral Nonlinearity (INL) | ±2.5 LSB (±0.0038% of full scale) |
| Signal-to-Noise Ratio (SNR) | 88 dB (at 20 kHz) |
| Total Harmonic Distortion (THD) | -96 dB (at 20 kHz) |
| Analog Input Voltage Range | 0 V to 2.5 V |
| Power Supply | Single 5 V supply |
| Power Consumption | Typically 87 mW at 666 kSPS, 130 µW at 1 kSPS (no reference), 133 mW at 1 MSPS (with reference) |
| Package | 48-Lead LFCSP (7mm x 7mm w/ EP) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- High-speed sampling with three modes: Warp (1 MSPS), Normal (800 kSPS), and Pulse (666 kSPS) modes.
- Internal 2.5 V reference voltage with a typical drift of 3 ppm/°C.
- No pipeline delay, ensuring real-time conversion.
- Parallel and serial interfaces (SPI, QSPI, MICROWIRE, DSP-compatible).
- Low power consumption, especially in Pulse mode, making it suitable for low-power applications.
- High accuracy with 16-bit resolution and no missing codes.
Applications
The AD7667ACPZRL is versatile and can be used in various applications requiring high-speed and accurate analog-to-digital conversion. These include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7667ACPZRL ADC?
The AD7667ACPZRL has a 16-bit resolution.
- What are the different sampling modes available on the AD7667ACPZRL?
The device supports three sampling modes: Warp (1 MSPS), Normal (800 kSPS), and Pulse (666 kSPS) modes.
- What is the power consumption of the AD7667ACPZRL?
The power consumption varies by mode: typically 87 mW at 666 kSPS, 130 µW at 1 kSPS (no reference), and 133 mW at 1 MSPS (with reference).
- What is the operating temperature range of the AD7667ACPZRL?
The operating temperature range is -40°C to +85°C.
- Does the AD7667ACPZRL have an internal reference voltage?
Yes, it has an internal 2.5 V reference voltage with a typical drift of 3 ppm/°C.
- What types of interfaces does the AD7667ACPZRL support?
The device supports both parallel and serial interfaces, including SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
- What is the analog input voltage range of the AD7667ACPZRL?
The analog input voltage range is 0 V to 2.5 V.
- Is the AD7667ACPZRL suitable for low-power applications?
Yes, especially in Pulse mode, it is designed to be power-efficient.
- What is the package type of the AD7667ACPZRL?
The device is available in a 48-Lead LFCSP (7mm x 7mm w/ EP) package.
- Does the AD7667ACPZRL have any pipeline delay?
No, it does not have any pipeline delay, ensuring real-time conversion.
