Overview
The AD7819YN is a high-speed, microprocessor-compatible, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates on a single supply voltage ranging from 2.7 V to 5.5 V and features a maximum throughput of 200 kSPS. The AD7819 includes a successive approximation A/D converter, track/hold circuitry, an on-chip clock oscillator, and an 8-bit wide parallel interface, making it easy to interface with microprocessors and DSPs.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Bits | 8 |
| Sampling Rate | 200 kSPS |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Architecture | SAR (Successive Approximation) |
| Reference Type | External |
| Voltage - Supply, Analog/Digital | 2.7 V to 5.5 V |
| Operating Temperature | -40°C to 105°C |
| Package / Case | 16-PDIP (Plastic DIP) |
| Analog Input Range | 0 V to VREF |
| Reference Input Range | 1.2 V to VDD |
| Power Consumption (Normal Operation) | 10.5 mW @ VDD = 3 V |
| Power Consumption (Power-Down Mode) | 57.75 µW @ 1 kSPS, VDD = 3 V |
Key Features
- High-speed conversion with a maximum throughput of 200 kSPS.
- Single supply operation from 2.7 V to 5.5 V.
- Successive approximation A/D converter with track/hold circuitry and on-chip clock oscillator.
- 8-bit wide parallel interface for easy interfacing to microprocessors and DSPs.
- Automatic power-down mode to reduce power consumption.
- ESD protection circuitry to prevent damage from electrostatic discharges.
Applications
The AD7819YN is suitable for a variety of applications requiring high-speed analog-to-digital conversion, including:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
Q & A
- What is the maximum sampling rate of the AD7819YN?
The AD7819YN has a maximum sampling rate of 200 kSPS. - What is the supply voltage range for the AD7819YN?
The supply voltage range is from 2.7 V to 5.5 V. - What type of data interface does the AD7819YN use?
The AD7819YN uses an 8-bit wide parallel interface. - What is the architecture of the AD7819YN?
The AD7819YN uses a successive approximation (SAR) architecture. - What is the operating temperature range of the AD7819YN?
The operating temperature range is from -40°C to 105°C. - Does the AD7819YN have power-down mode?
Yes, the AD7819YN has an automatic power-down mode to reduce power consumption. - What is the typical power consumption in normal operation?
The typical power consumption in normal operation is 10.5 mW @ VDD = 3 V. - What is the typical power consumption in power-down mode?
The typical power consumption in power-down mode is 57.75 µW @ 1 kSPS, VDD = 3 V. - Does the AD7819YN have ESD protection?
Yes, the AD7819YN features proprietary ESD protection circuitry. - What is the package type of the AD7819YN?
The package type is 16-PDIP (Plastic DIP).
