Overview
The AD7478AARM is an 8-bit, high-speed, low-power successive-approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component operates from a single power supply ranging from 2.35 V to 5.25 V and features a throughput rate of up to 1.2 million samples per second (MSPS). It is packaged in an 8-lead MSOP (Mini Small Outline Package) and is designed for applications requiring high speed and low power consumption.
Key Specifications
| Parameter | Description |
|---|---|
| Number of Bits | 8 |
| Sampling Rate (Per Second) | 1.2 MSPS |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI, DSP, QSPI™/MICROWIRE |
| Configuration | S/H-ADC (Sample and Hold - Analog to Digital Converter) |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | Supply |
| Voltage - Supply, Analog/Digital | 2.7 V ~ 5.25 V |
| Operating Temperature | –40°C to +85°C |
| Package | 8-MSOP (0.118", 3.00mm Width) |
Key Features
- High throughput rate of up to 1.2 MSPS with low power consumption.
- Flexible power and serial clock speed management.
- No pipeline delays.
- High speed serial interface compatible with SPI, QSPI™/MICROWIRE, and DSP.
- Standby mode with a maximum current of 1 µA.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies in excess of 13 MHz.
- Internal reference taken from VDD, allowing the widest dynamic input range from 0 V to VDD.
Applications
- Battery-powered systems.
- Personal digital assistants.
- Medical instruments.
- Mobile communications.
- Instrumentation and control systems.
- Data acquisition systems.
- High speed modems.
- Optical sensors.
- Qualified for automotive applications.
Q & A
- What is the AD7478AARM?
The AD7478AARM is an 8-bit, high-speed, low-power successive-approximation analog-to-digital converter (ADC) manufactured by Analog Devices Inc.
- What is the sampling rate of the AD7478AARM?
The AD7478AARM has a sampling rate of up to 1.2 million samples per second (MSPS).
- What is the power supply range for the AD7478AARM?
The AD7478AARM operates from a single power supply ranging from 2.35 V to 5.25 V.
- What type of data interface does the AD7478AARM support?
The AD7478AARM supports SPI, DSP, and QSPI™/MICROWIRE data interfaces.
- What is the operating temperature range of the AD7478AARM?
The operating temperature range of the AD7478AARM is –40°C to +85°C.
- What is the package type of the AD7478AARM?
The AD7478AARM is packaged in an 8-lead MSOP (Mini Small Outline Package).
- Does the AD7478AARM have pipeline delays?
No, the AD7478AARM does not have pipeline delays.
- What is the standby current of the AD7478AARM?
The standby current of the AD7478AARM is a maximum of 1 µA.
- What are some typical applications of the AD7478AARM?
The AD7478AARM is used in battery-powered systems, personal digital assistants, medical instruments, mobile communications, instrumentation and control systems, data acquisition systems, high speed modems, and optical sensors.
- Is the AD7478AARM qualified for automotive applications?
Yes, the AD7478AARM is qualified for automotive applications.
