Overview
The AD7994BRUZ-1REEL, produced by Analog Devices Inc., is a 4-channel, 12-bit analog-to-digital converter (ADC) designed for a wide range of applications requiring precise and efficient analog-to-digital conversion. This component features a successive approximation register (SAR) architecture and an I²C-compatible serial interface, making it versatile and easy to integrate into various systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 16-Lead TSSOP |
| Number of Bits | 12-bit |
| Sampling Rate | 188 kSPS |
| Input Type | Single-Ended |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External |
| Operating Temperature | -40°C to +125°C |
| Interface Type | I²C |
| Operating Supply Voltage | 2.7 V to 5.5 V |
| Power Dissipation | 6 mW |
| SNR - Signal to Noise Ratio | 71 dB |
| DNL - Differential Nonlinearity | -0.9 LSB / 1 LSB |
| INL - Integral Nonlinearity | +/- 1 LSB |
| Gain Error | +/- 2 LSB |
Key Features
- Fast Conversion Time: The AD7994 features a conversion time of 2 µs, making it suitable for high-speed applications.
- I²C-Compatible Interface: The component supports Standard, Fast, and High-Speed I²C interface modes, allowing for flexible integration into various systems.
- Low Power Consumption: The ADC operates in a shutdown mode when not converting, reducing power consumption to 1 µA maximum.
- External Reference: The reference voltage can be driven up to the power supply voltage, providing a wide dynamic input range.
- Out-of-Range Indicator: An alert output can be used as an interrupt when the conversion result violates programmed high or low limits.
- Sequencer Operation: The ADC supports sequencer operation, allowing for automatic conversion intervals and command mode conversions via I²C write operations.
Applications
- Data Acquisition Systems: Ideal for systems requiring the conversion of multiple analog signals to digital formats.
- Industrial Automation: Suitable for monitoring and controlling various industrial processes.
- Medical Devices: Can be used in medical equipment that requires precise analog-to-digital conversion.
- Aerospace and Defense: Applicable in systems that demand high reliability and precision.
- Consumer Electronics: Useful in devices that require efficient and accurate analog-to-digital conversion.
Q & A
- What is the resolution of the AD7994BRUZ-1REEL?
The AD7994BRUZ-1REEL has a resolution of 12 bits.
- What is the sampling rate of the AD7994BRUZ-1REEL?
The sampling rate is 188 kSPS.
- What type of interface does the AD7994BRUZ-1REEL use?
The component uses an I²C-compatible serial interface.
- What is the operating temperature range of the AD7994BRUZ-1REEL?
The operating temperature range is -40°C to +125°C.
- How much power does the AD7994BRUZ-1REEL consume in shutdown mode?
The power consumption in shutdown mode is 1 µA maximum.
- Can the AD7994BRUZ-1REEL be used with multiple devices on the same serial bus?
Yes, up to five AD7994 devices can be connected to the same serial bus.
- What is the conversion time of the AD7994BRUZ-1REEL?
The conversion time is 2 µs.
- Does the AD7994BRUZ-1REEL support automatic shutdown?
Yes, the component automatically shuts down when not converting to maximize power efficiency.
- What is the signal-to-noise ratio (SNR) of the AD7994BRUZ-1REEL?
The SNR is 71 dB.
- Is there an evaluation board available for the AD7994BRUZ-1REEL?
Yes, the EVAL-AD7994EBZ evaluation board is available for detailed analysis and testing.
