Overview
The AD7812YRU-REEL7 is a high-speed, low-power, 10-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a single supply voltage ranging from 2.7 V to 5.5 V and is designed for applications requiring high accuracy and low power consumption. The AD7812 features an onboard track and hold amplifier, a 2.5 V onboard reference, and a high-speed serial interface compatible with most DSPs and microcontrollers.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 10-bit |
| Number of Channels | 8 single-ended or 4 pseudo differential |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Input Signal Range | 0 V to VREF |
| Reference Input Range | 1.2 V to VDD |
| Conversion Time | 2.3 µs |
| Sampling Rate | Up to 350 kSPS |
| Power Consumption | Typically 10 mW at 3 V supply |
| Power-Down Mode | Automatic power-down between conversions |
| Package Type | 20-lead Thin Shrink Small Outline Package (TSSOP) |
Key Features
- Low power, single supply operation with automatic power-down mode for reduced power dissipation at lower throughput rates.
- On-chip 2.5 V reference circuit with an option to use an external reference.
- High-speed serial interface compatible with DSPs and microcontrollers.
- Hardware and software control for convert start and power-down.
- Input channels can be configured as single-ended or pseudo differential.
- Qualified for automotive applications.
Applications
The AD7812YRU-REEL7 is suitable for a variety of applications including industrial control systems, medical devices, automotive systems, and any other environment where high-speed, low-power analog-to-digital conversion is required.
Q & A
- What is the resolution of the AD7812YRU-REEL7? The AD7812YRU-REEL7 has a resolution of 10 bits.
- How many input channels does the AD7812YRU-REEL7 have? The AD7812YRU-REEL7 has 8 single-ended input channels or can be configured as 4 pseudo differential channels.
- What is the supply voltage range for the AD7812YRU-REEL7? The supply voltage range is from 2.7 V to 5.5 V.
- What is the conversion time of the AD7812YRU-REEL7? The conversion time is 2.3 µs.
- Can the AD7812YRU-REEL7 use an external reference? Yes, the AD7812YRU-REEL7 allows the use of an external reference by connecting it to the VREF pin and setting the EXTREF bit in the control register.
- What is the typical power consumption of the AD7812YRU-REEL7? The typical power consumption is 10 mW at a 3 V supply.
- Does the AD7812YRU-REEL7 have a power-down mode? Yes, the AD7812YRU-REEL7 has an automatic power-down mode to reduce power dissipation between conversions.
- What package type is the AD7812YRU-REEL7 available in? The AD7812YRU-REEL7 is available in a 20-lead Thin Shrink Small Outline Package (TSSOP).
- Is the AD7812YRU-REEL7 qualified for automotive applications? Yes, the AD7812YRU-REEL7 is qualified for automotive applications.
- Can multiple AD7812YRU-REEL7 devices share the same serial bus? Yes, multiple devices can share the same serial bus and be individually addressed by hardwiring the device address pin.
