Overview
The AD7478AARMZ-REEL7 is a high-speed, low-power, 8-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7476A/AD7477A/AD7478A series, known for their high throughput rates and low power consumption. The AD7478AARMZ-REEL7 operates from a single power supply ranging from 2.35 V to 5.25 V, making it versatile for various applications. It features a serial interface compatible with SPI, QSPI, MICROWIRE, and DSP, allowing for easy integration with microprocessors or digital signal processors (DSPs).
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Number of Bits | 8 |
| Sampling Rate (Per Second) | 1.2 Msps |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI, QSPI, MICROWIRE, DSP |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Architecture | SAR (Successive Approximation) |
| Reference Type | Supply |
| Voltage - Supply, Analog | 2.7 V ~ 5.25 V |
| Voltage - Supply, Digital | 2.7 V ~ 5.25 V |
| Operating Temperature | -40°C to +85°C |
Key Features
- High throughput rate up to 1.2 Msps with low power consumption.
- Flexible power and serial clock speed management, allowing for reduced conversion time through increased serial clock speed.
- No pipeline delays, ensuring immediate data availability.
- Low noise, wide bandwidth track-and-hold amplifier capable of handling input frequencies over 13 MHz.
- Standby mode with a maximum current of 1 µA.
- Serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Qualified for automotive applications.
Applications
- Battery-powered systems.
- Personal digital assistants.
- Medical instruments.
- Mobile communications.
- Instrumentation and control systems.
- Data acquisition systems.
- High-speed modems.
- Optical sensors.
Q & A
- What is the AD7478AARMZ-REEL7?
The AD7478AARMZ-REEL7 is an 8-bit successive-approximation analog-to-digital converter (ADC) produced by Analog Devices Inc.
- What is the operating voltage range of the AD7478AARMZ-REEL7?
The operating voltage range is from 2.7 V to 5.25 V for both analog and digital supplies.
- What is the sampling rate of the AD7478AARMZ-REEL7?
The sampling rate is up to 1.2 Msps.
- What type of interface does the AD7478AARMZ-REEL7 use?
The AD7478AARMZ-REEL7 uses a serial interface compatible with SPI, QSPI, MICROWIRE, and DSP.
- Does the AD7478AARMZ-REEL7 have pipeline delays?
No, the AD7478AARMZ-REEL7 does not have pipeline delays.
- What is the standby current of the AD7478AARMZ-REEL7?
The standby current is a maximum of 1 µA.
- What is the input range of the AD7478AARMZ-REEL7?
The analog input range is from 0 V to VDD.
- Is the AD7478AARMZ-REEL7 qualified for automotive applications?
- What is the operating temperature range of the AD7478AARMZ-REEL7?
The operating temperature range is from -40°C to +85°C.
- What type of architecture does the AD7478AARMZ-REEL7 use?
The AD7478AARMZ-REEL7 uses a successive-approximation (SAR) architecture.
