Overview
The AD7677ASTRL is a 16-bit, 1 MSPS (Mega Samples Per Second), fully differential analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single 5 V power supply and features a charge redistribution successive approximation register (SAR) architecture. It is designed for high-speed and low-power applications, offering versatile interface options and excellent linearity and dynamic performance.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 Bits | |||
| Analog Input Voltage Range | 0.4 V | OVDD - 0.6 V | V | |
| Power Supplies | 4.75 | 5 | 5.25 | V |
| Operating Current (AVDD, DVDD, OVDD) | 16.7 mA, 6.4 mA, 69 µA | A, mA, µA | ||
| Power Dissipation (1 MSPS Throughput) | 115 | 130 | mW | |
| Power Dissipation (100 SPS Throughput) | 15 | µW | ||
| Power Dissipation (Power-Down Mode) | 7 | µW | ||
| Temperature Range | -40 | +85 | °C | |
Key Features
- Excellent Linearity: Maximum integral nonlinearity of 1 LSB with no missing 16-bit codes.
- Superior AC Performance: Minimum dynamic range of 92 dB, typically 94 dB.
- Fast Throughput: 1 MSPS sampling rate with internal error correction circuitry.
- Single-Supply Operation: Operates from a single 5 V supply with low power dissipation (115 mW typical at 1 MSPS).
- Versatile Interface: Supports both parallel (8 bits or 16 bits) and serial 2-wire interface compatible with 3 V or 5 V logic.
- Low Power Modes: Features fast mode (Normal), low power mode (Impulse), and power-down mode.
- Packages: Available in 48-lead LQFP and 48-lead LFCSP packages.
Applications
- CT Scanners
- Data Acquisition Instruments
- Spectrum Analysis
- Medical Instruments
- Battery-Powered Systems
- Process Control
Q & A
- What is the resolution of the AD7677ASTRL?
The AD7677ASTRL has a resolution of 16 bits.
- What is the sampling rate of the AD7677ASTRL?
The AD7677ASTRL has a sampling rate of 1 MSPS.
- What is the power supply requirement for the AD7677ASTRL?
The AD7677ASTRL operates from a single 5 V power supply.
- What are the available interface options for the AD7677ASTRL?
The AD7677ASTRL supports both parallel (8 bits or 16 bits) and serial 2-wire interfaces compatible with 3 V or 5 V logic.
- What are the typical power dissipation values for the AD7677ASTRL?
The typical power dissipation is 115 mW at 1 MSPS and 15 µW at 100 SPS.
- What is the temperature range for the AD7677ASTRL?
The AD7677ASTRL operates from -40°C to +85°C.
- What are the package options for the AD7677ASTRL?
The AD7677ASTRL is available in 48-lead LQFP and 48-lead LFCSP packages.
- Does the AD7677ASTRL have low power modes?
Yes, it features fast mode (Normal), low power mode (Impulse), and power-down mode.
- What are some common applications for the AD7677ASTRL?
Common applications include CT scanners, data acquisition instruments, spectrum analysis, medical instruments, battery-powered systems, and process control.
- Is the AD7677ASTRL factory calibrated?
Yes, the AD7677ASTRL is hardware factory calibrated and comprehensively tested for various parameters.
