Overview
The AD7899ARSZ-1REEL7 is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for fast and precise measurement applications, operating from a single 5 V supply. It features a successive-approximation (SAR) architecture, a track/hold amplifier, and a high-speed parallel interface, making it suitable for a wide range of applications requiring high accuracy and speed.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Sampling Rate | 400 kSPS |
| Input Type | Single-Ended |
| Data Interface | Parallel |
| Architecture | SAR (Successive Approximation) |
| Reference Type | External, Internal |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 5 V |
| Operating Temperature | -40°C to 85°C |
| Package/Case | 28-Lead SSOP |
| Mounting Type | Surface Mount |
| SNR - Signal to Noise Ratio | 78 dB |
| DNL - Differential Nonlinearity | +/- 1 LSB |
| INL - Integral Nonlinearity | +/- 2 LSB |
| Power Consumption | 80 mW (typical) |
Key Features
- Fast Conversion Rate: The AD7899ARSZ-1REEL7 features a fast 2.2 µs successive-approximation ADC, allowing throughput rates of up to 400 kSPS.
- Low Power Consumption: It operates with a single 5 V supply and consumes only 80 mW (typical), making it ideal for low-power and portable applications.
- High-Speed Parallel Interface: The component includes a high-speed parallel interface that can operate in both 3 V and 5 V modes, facilitating easy connection to microprocessors, microcontrollers, and digital signal processors.
- Multiple Input Ranges: The ADC accepts various analog input ranges, including ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V.
- Overvoltage Protection: The component includes overvoltage protection on the analog inputs, ensuring that the part is not damaged by input voltages exceeding the specified ranges.
- Power-Down Mode: It features a power-down mode via the STBY pin, reducing power consumption to 20 µW (typical) when not in use.
Applications
- Industrial Automation: The AD7899ARSZ-1REEL7 is suitable for industrial automation systems that require high-speed and accurate data acquisition.
- Medical Devices: Its precision and low power consumption make it a good fit for medical devices such as patient monitoring systems and diagnostic equipment.
- Aerospace and Defense: The component's robust performance and reliability make it appropriate for use in aerospace and defense applications where high accuracy and speed are critical.
- Test and Measurement Equipment: It can be used in various test and measurement instruments due to its fast conversion rate and high precision.
Q & A
- What is the resolution of the AD7899ARSZ-1REEL7?
The AD7899ARSZ-1REEL7 has a 14-bit resolution.
- What is the sampling rate of the AD7899ARSZ-1REEL7?
The sampling rate is up to 400 kSPS).
- What type of data interface does the AD7899ARSZ-1REEL7 use?
The component uses a high-speed parallel interface).
- What are the available analog input ranges for the AD7899ARSZ-1REEL7?
The ADC accepts input ranges of ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V).
- Does the AD7899ARSZ-1REEL7 have overvoltage protection?
Yes, the component includes overvoltage protection on the analog inputs).
- What is the power consumption of the AD7899ARSZ-1REEL7?
The typical power consumption is 80 mW, with a power-down mode reducing consumption to 20 µW).
- What is the operating temperature range of the AD7899ARSZ-1REEL7?
The operating temperature range is -40°C to 85°C).
- What type of package does the AD7899ARSZ-1REEL7 come in?
The component is packaged in a 28-Lead SSOP).
- Is the AD7899ARSZ-1REEL7 RoHS compliant?
Yes, the AD7899ARSZ-1REEL7 is RoHS compliant).
- How does the AD7899ARSZ-1REEL7 handle power-down?
The component features a power-down mode via the STBY pin, significantly reducing power consumption when not in use).
