Overview
The AD7813YNZ is a high-speed, microprocessor-compatible, 8-/10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates on a single supply voltage ranging from 2.7 V to 5.5 V and features a maximum throughput of 400 kSPS. It includes a successive approximation A/D converter, track/hold circuitry, an on-chip clock oscillator, and an 8-bit wide parallel interface designed for easy interfacing with microprocessors and DSPs.
Key Specifications
| Parameter | Value | Comments |
|---|---|---|
| Number of Bits | 8-/10-bit | |
| Sampling Rate (Per Second) | 400 kSPS | |
| Number of Inputs | 1 | |
| Input Type | Single Ended | |
| Data Interface | Parallel | |
| Configuration | S/H-ADC | |
| Ratio - S/H:ADC | 1:1 | |
| Number of A/D Converters | 1 | |
| Architecture | SAR (Successive Approximation) | |
| Reference Type | External | |
| Voltage - Supply, Analog | 2.7 V ~ 5.5 V | |
| Voltage - Supply, Digital | 2.7 V ~ 5.5 V | |
| Operating Temperature | -40°C ~ 105°C | |
| Package / Case | 16-DIP (0.300", 7.62mm) | |
| Supplier Device Package | 16-PDIP |
Key Features
- Low Power Operation: The AD7813 operates from a single 2.7 V to 5.5 V supply and typically consumes only 10.5 mW of power. It also features an automatic power-down mode that significantly reduces power consumption at lower throughput rates.
- High-Speed Conversion: Capable of providing 400 kSPS throughput, making it suitable for high-speed applications.
- Parallel Interface: An 8-bit wide parallel interface designed for easy interfacing to microprocessors and DSPs with minimal external circuitry.
- Dynamic Specifications: Specified for ac parameters, including signal-to-noise ratio and distortion, making it suitable for DSP applications.
- Compact Packaging: Available in 16-lead PDIP, SOIC, and TSSOP packages.
Applications
- Battery-Powered Devices: The automatic power-down feature makes it ideal for battery-powered applications where power conservation is critical.
- Embedded Systems: Suitable for use in various embedded systems requiring high-speed analog-to-digital conversion.
- Industrial Automation: Can be used in industrial automation systems where precise and fast analog-to-digital conversion is necessary.
- Medical Devices: Applicable in medical devices that require accurate and high-speed data acquisition.
Q & A
- What is the maximum sampling rate of the AD7813YNZ?
The maximum sampling rate of the AD7813YNZ is 400 kSPS.
- What is the supply voltage range for the AD7813YNZ?
The supply voltage range for the AD7813YNZ is 2.7 V to 5.5 V.
- What type of interface does the AD7813YNZ use?
The AD7813YNZ uses an 8-bit wide parallel interface.
- How does the AD7813YNZ reduce power consumption?
The AD7813YNZ reduces power consumption through its automatic power-down mode, where it powers down at the end of a conversion and powers up at the start of a new conversion.
- What are the available package types for the AD7813YNZ?
The AD7813YNZ is available in 16-lead PDIP, SOIC, and TSSOP packages.
- What is the operating temperature range for the AD7813YNZ?
The operating temperature range for the AD7813YNZ is -40°C to 105°C.
- How many bits are read in each operation of the 10-bit conversion result?
The 10-bit conversion result is read by carrying out two 8-bit read operations. The first read operation accesses the 8 MSBs, and the second read accesses the 2 LSBs.
- Is the AD7813YNZ suitable for battery-powered applications?
Yes, the AD7813YNZ is suitable for battery-powered applications due to its low power consumption and automatic power-down feature.
- What type of architecture does the AD7813YNZ use?
The AD7813YNZ uses a Successive Approximation (SAR) architecture.
- What is the typical power consumption of the AD7813YNZ at 3 V supply voltage?
The typical power consumption of the AD7813YNZ at 3 V supply voltage is 10.5 mW.
