Overview
The AD7898AR-3REEL7 is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-speed applications and is housed in a compact 8-lead Standard Small Outline Package (SOIC). It operates from a single 5 V supply and features a successive approximation (SAR) architecture, along with an on-chip track/hold amplifier and a high-speed serial interface. The AD7898AR-3REEL7 is suitable for various applications requiring fast and accurate analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7898AR-3REEL7 |
| Description | IC ADC 12BIT SRL HS 5V 8-SOIC |
| Voltage - Supply, Digital | 5V |
| Voltage - Supply, Analog | 5V |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Sampling Rate (Per Second) | 220 kSPS |
| Reference Type | External |
| Ratio - S/H:ADC | 1:1 |
| Operating Temperature | -40°C ~ 85°C |
| Number of Inputs | 1 |
| Number of Bits | 12 |
| Number of A/D Converters | 1 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Architecture | SAR |
Key Features
- Fast 12-bit ADC with a throughput rate of up to 220 kSPS.
- Single 5 V supply operation with low power consumption of 22.5 mW max.
- Flexible, high-speed serial interface with two modes of operation (Mode 0 and Mode 1).
- On-chip track/hold amplifier and high-speed serial interface.
- Accepts analog input ranges of ±10 V (AD7898-10) and ±2.5 V (AD7898-3).
- Proprietary power-down capability for portable or hand-held applications.
- VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of VDD.
Applications
The AD7898AR-3REEL7 is suitable for a variety of applications that require high-speed and accurate analog-to-digital conversion. These include:
- Portable and hand-held devices due to its low power consumption and power-down capability.
- Industrial control systems where fast and precise data acquisition is necessary.
- Medical devices that require high-speed ADCs for signal processing.
- Aerospace and defense applications where compact and reliable ADCs are essential.
- Automotive systems that need fast data conversion for real-time monitoring and control.
Q & A
- What is the part number of this ADC?
The part number is AD7898AR-3REEL7. - Who is the manufacturer of the AD7898AR-3REEL7?
The manufacturer is Analog Devices Inc. - What is the sampling rate of the AD7898AR-3REEL7?
The sampling rate is up to 220 kSPS. - What is the supply voltage for the AD7898AR-3REEL7?
The supply voltage is 5 V for both digital and analog supplies. - What is the package type of the AD7898AR-3REEL7?
The package type is 8-SOIC (0.154", 3.90mm Width). - What are the operating temperature ranges for the AD7898AR-3REEL7?
The operating temperature ranges are -40°C to 85°C. - Does the AD7898AR-3REEL7 have a power-down mode?
Yes, it has a proprietary power-down capability, especially useful for portable or hand-held applications. - What are the input ranges for the AD7898AR-3REEL7?
The input ranges are ±10 V (AD7898-10) and ±2.5 V (AD7898-3). - What type of data interface does the AD7898AR-3REEL7 use?
The data interface is SPI (Serial Peripheral Interface). - Is the AD7898AR-3REEL7 RoHS compliant?
No, the AD7898AR-3REEL7 contains lead and is RoHS non-compliant.
