Overview
The AD7896AR-REEL, produced by Analog Devices Inc., is a 12-bit successive approximation analog-to-digital converter (ADC) designed for high-performance and low-power applications. This component is part of the AD7896 series and is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) with a tape and reel configuration. The AD7896AR-REEL operates from a single supply voltage ranging from 2.7V to 5.5V, making it versatile for various power requirements. It features a high-speed serial interface and an on-chip track-and-hold amplifier, ensuring efficient and accurate analog-to-digital conversions.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | AD7896AR-REEL |
| Manufacturer | Analog Devices Inc. |
| Description | IC ADC 12BIT SAR 8SOIC |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Package | Tape & Reel (TR) |
| Operating Temperature | -40°C ~ 85°C |
| Number of Inputs | 1 |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Mounting Type | Surface Mount |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Architecture | SAR |
| Reference Type | Supply |
| Sampling Rate (Per Second) | 100k |
| Conversion Time | 8 µs (high sampling mode), 14 µs (auto sleep mode) |
| Power Consumption | 9 mW typical |
Key Features
- High-Speed Conversion: The AD7896AR-REEL features a fast 12-bit ADC with an 8 µs conversion time in high sampling mode and 14 µs in auto sleep mode.
- Low Power Operation: It operates from a single 2.7V to 5.5V supply, consuming only 9 mW typical, making it ideal for battery-powered applications.
- On-Chip Track-and-Hold Amplifier: The component includes an on-chip track-and-hold amplifier, ensuring accurate and efficient analog-to-digital conversions.
- High-Speed Serial Interface: The AD7896AR-REEL has a two-wire serial interface with a serial clock input and a serial data output, facilitating easy communication with microcontrollers.
- Automatic Power-Down Mode: The part automatically goes into power-down mode after conversion is complete, reducing power consumption and extending battery life in low-power applications.
- Compact Packaging: Available in an 8-lead SOIC package, this ADC offers significant space-saving advantages over alternative solutions.
- High Input Impedance: The analog input range is 0 V to VDD, with high input impedance, ensuring minimal loading on the input signal source.
Applications
- Battery-Powered Devices: The low power consumption of the AD7896AR-REEL makes it suitable for battery-powered devices such as portable medical equipment, handheld instruments, and wireless sensors.
- Industrial Automation: It can be used in industrial control systems, data loggers, and other automation equipment where high accuracy and fast conversion rates are required.
- Medical Devices: The component is applicable in medical devices that require precise analog-to-digital conversion, such as patient monitoring systems and diagnostic equipment.
- Aerospace and Defense: Its compact size and high performance make it a candidate for use in aerospace and defense applications where space and power efficiency are critical.
- Consumer Electronics: The AD7896AR-REEL can be integrated into consumer electronics such as audio equipment, gaming consoles, and other devices requiring high-speed ADCs.
Q & A
- What is the part number of this ADC?
The part number is AD7896AR-REEL.
- Who is the manufacturer of the AD7896AR-REEL?
The manufacturer is Analog Devices Inc.
- What is the supply voltage range for the AD7896AR-REEL?
The supply voltage range is 2.7V to 5.5V.
- What is the conversion time of the AD7896AR-REEL in high sampling mode?
The conversion time is 8 µs in high sampling mode.
- Does the AD7896AR-REEL have an automatic power-down mode?
Yes, it has an automatic power-down mode to reduce power consumption after each conversion.
- What type of data interface does the AD7896AR-REEL use?
The AD7896AR-REEL uses a two-wire SPI (Serial Peripheral Interface) data interface.
- What is the number of bits in the AD7896AR-REEL ADC?
The AD7896AR-REEL is a 12-bit ADC.
- What is the operating temperature range of the AD7896AR-REEL?
The operating temperature range is -40°C to 85°C.
- What type of packaging is used for the AD7896AR-REEL?
The component is packaged in an 8-lead SOIC with a tape and reel configuration.
- What is the typical power consumption of the AD7896AR-REEL?
The typical power consumption is 9 mW.
