Overview
The AD7854ARS-REEL is a 12-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This integrated circuit is designed for high-performance data acquisition applications. It features a successive approximation register (SAR) architecture, providing a balance between speed and accuracy. The AD7854ARS-REEL is packaged in a 28-lead SSOP (Shrink Small Outline Package) and operates over a wide temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 200k |
| Number of Inputs | 1 |
| Input Type | Pseudo-Differential |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 3 V ~ 5.5 V |
| Voltage - Supply, Digital | 3 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Contains lead / RoHS non-compliant |
Key Features
- High-resolution 12-bit analog-to-digital conversion
- Successive Approximation Register (SAR) architecture for high accuracy and speed
- Pseudo-differential input configuration for improved noise rejection
- SPI (Serial Peripheral Interface) for easy communication with microcontrollers
- Sample-and-hold (S/H) circuit integrated for precise sampling
- External and internal reference options for flexibility in system design
- Wide operating temperature range of -40°C to 85°C
- Compact 28-lead SSOP package for space-efficient designs
Applications
- Data acquisition systems in industrial and medical devices
- Automotive systems requiring high-precision analog-to-digital conversion
- Embedded systems and IoT devices needing compact, high-performance ADCs
- Test and measurement equipment where accuracy and speed are crucial
- Consumer electronics such as audio and video processing systems
Q & A
- What is the resolution of the AD7854ARS-REEL ADC?
The AD7854ARS-REEL has a 12-bit resolution.
- What is the sampling rate of the AD7854ARS-REEL?
The sampling rate is up to 200 kSPS (kilosamples per second).
- What type of input does the AD7854ARS-REEL support?
The AD7854ARS-REEL supports pseudo-differential inputs.
- What data interface does the AD7854ARS-REEL use?
The AD7854ARS-REEL uses the SPI (Serial Peripheral Interface) for data communication.
- What is the operating temperature range of the AD7854ARS-REEL?
The operating temperature range is -40°C to 85°C.
- What is the package type of the AD7854ARS-REEL?
The AD7854ARS-REEL is packaged in a 28-lead SSOP (Shrink Small Outline Package).
- Does the AD7854ARS-REEL support external and internal references?
Yes, the AD7854ARS-REEL supports both external and internal reference options.
- Is the AD7854ARS-REEL RoHS compliant?
No, the AD7854ARS-REEL contains lead and is not RoHS compliant.
- What is the architecture of the AD7854ARS-REEL ADC?
The AD7854ARS-REEL uses a Successive Approximation Register (SAR) architecture.
- How many analog inputs does the AD7854ARS-REEL have?
The AD7854ARS-REEL has one analog input.
