Overview
The AD7894ARZ-2REEL7 is a high-performance, 14-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is designed to operate from a single +5 V supply and is housed in a compact 8-pin SOIC package. It features a successive approximation (SAR) architecture and includes an on-chip track/hold amplifier, an on-chip clock, and a high-speed serial interface. The AD7894ARZ-2REEL7 is known for its fast conversion time and low power consumption, making it suitable for a variety of applications requiring precise and efficient analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 200 kSPS |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 5 V |
| Voltage - Supply, Digital | 5 V |
| Operating Temperature | -40°C to 85°C |
| Package | 8-SOIC (0.154", 3.90mm Width) |
Key Features
- Fast conversion time of 4.5 µs
- High-speed serial interface with serial clock input and serial data output
- Automatic power down mode for low power applications
- On-chip track/hold amplifier and on-chip clock
- Dynamic performance specifications including harmonic distortion and signal-to-noise ratio
- Single +5 V supply with low power consumption of 20 mW typical
Applications
The AD7894ARZ-2REEL7 is suitable for various applications that require high-speed and precise analog-to-digital conversion. These include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
Q & A
- What is the resolution of the AD7894ARZ-2REEL7? The AD7894ARZ-2REEL7 has a resolution of 14 bits.
- What is the sampling rate of the AD7894ARZ-2REEL7? The sampling rate is 200 kSPS.
- What type of package does the AD7894ARZ-2REEL7 come in? It comes in an 8-pin SOIC package.
- What is the supply voltage for the AD7894ARZ-2REEL7? The supply voltage is +5 V for both analog and digital supplies.
- Does the AD7894ARZ-2REEL7 have an automatic power down feature? Yes, it features an automatic power down mode for low power applications.
- What is the operating temperature range of the AD7894ARZ-2REEL7? The operating temperature range is -40°C to 85°C.
- What type of data interface does the AD7894ARZ-2REEL7 use? It uses a high-speed SPI interface.
- Is the AD7894ARZ-2REEL7 RoHS compliant? Yes, the AD7894ARZ-2REEL7 is RoHS compliant.
- What is the typical power consumption of the AD7894ARZ-2REEL7? The typical power consumption is 20 mW.
- Does the AD7894ARZ-2REEL7 include on-chip components like a track/hold amplifier and clock? Yes, it includes an on-chip track/hold amplifier and an on-chip clock.
