Overview
The AD7665ASTZRL is a 16-bit, 570 kSPS, charge redistribution Successive Approximation Register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This high-performance ADC operates from a single 5 V power supply and is designed for various high-speed applications. It features a high sampling rate, low power consumption, and excellent DC accuracy. The AD7665ASTZRL is available in a 48-lead LQFP package and is specified to operate over a temperature range of –40°C to +85°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | Bits | ||
| Analog Input Voltage Range | ±4 REF, 0 V to 4 REF, ±2 REF | V | ||
| Common-Mode Input Voltage | -0.1 | 0.5 | V | |
| Input Impedance | See Table I | |||
| Throughput Speed - Warp Mode | 570 | kSPS | ||
| Throughput Speed - Normal Mode | 500 | kSPS | ||
| Throughput Speed - Impulse Mode | 444 | kSPS | ||
| Integral Linearity Error | -2.5 | LSB | ||
| Power Supply | 5 | V | ||
| Power Consumption (Typical) | 64 | mW |
Key Features
- High-Speed Sampling: The AD7665ASTZRL offers high sampling rates of up to 570 kSPS in Warp Mode and 500 kSPS in Normal Mode.
- Single-Supply Operation: It operates from a single 5 V power supply, with low power consumption of 64 mW typical.
- Superior DC Accuracy: The ADC features a maximum integral nonlinearity of 2.5 LSB with no missing 16-bit codes.
- Versatile Interface: It supports both serial and parallel interfaces, compatible with 3 V or 5 V logic.
- Low Power Modes: The device includes reduced power modes (Impulse and power-down) to scale power with throughput.
Applications
- Data Acquisition: Suitable for high-speed data acquisition systems.
- Communication: Used in communication systems requiring high sampling rates.
- Instrumentation: Ideal for instrumentation applications such as spectrum analysis.
- Medical Instruments: Applied in medical devices due to its high accuracy and reliability.
- Process Control: Utilized in process control systems for precise measurements.
Q & A
- What is the resolution of the AD7665ASTZRL?
The AD7665ASTZRL has a resolution of 16 bits. - What are the operating temperature ranges for the AD7665ASTZRL?
The device operates over a temperature range of –40°C to +85°C. - What are the different sampling modes available for the AD7665ASTZRL?
The device offers Warp Mode (570 kSPS), Normal Mode (500 kSPS), and Impulse Mode (444 kSPS). - What is the typical power consumption of the AD7665ASTZRL?
The typical power consumption is 64 mW. - Does the AD7665ASTZRL support both serial and parallel interfaces?
Yes, it supports both serial and parallel interfaces compatible with 3 V or 5 V logic. - What is the maximum integral nonlinearity of the AD7665ASTZRL?
The maximum integral nonlinearity is 2.5 LSB. - What package types are available for the AD7665ASTZRL?
The device is available in a 48-lead LQFP package. - Is the AD7665ASTZRL suitable for medical instruments?
Yes, it is suitable for medical instruments due to its high accuracy and reliability. - Can the AD7665ASTZRL be used in process control systems?
Yes, it is utilized in process control systems for precise measurements. - Does the AD7665ASTZRL have reduced power modes?
Yes, it includes reduced power modes (Impulse and power-down) to scale power with throughput.
