Overview
The AD7853LARZ is a 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for high-performance data acquisition applications, offering a sampling rate of up to 200 kSPS. The AD7853LARZ features a pseudo-differential input and supports both external and internal reference voltages. It is packaged in a 24-lead SOIC (Small Outline Integrated Circuit) package, making it suitable for a variety of embedded systems and industrial control applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7853LARZ |
| Description | IC ADC 12BIT SRL 200KSPS 24SOIC |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 100k to 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 | 24-SOIC (0.295", 7.50mm Width) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- 12-bit successive approximation register (SAR) analog-to-digital converter
- Pseudo-differential input structure
- Support for both external and internal reference voltages
- SPI-compatible serial interface for data communication
- Sample-and-hold (S/H) circuit with a 1:1 S/H to ADC ratio
- Operating voltage range: 3 V to 5.5 V for both analog and digital supplies
- Wide operating temperature range: -40°C to 85°C
- Lead-free and RoHS-compliant packaging
Applications
- Industrial control systems
- Embedded systems requiring high-precision data acquisition
- Medical devices and diagnostic equipment
- Aerospace and defense applications
- Automotive systems and sensors
- Test and measurement instruments
Q & A
- What is the resolution of the AD7853LARZ ADC?
The AD7853LARZ has a 12-bit resolution.
- What is the maximum sampling rate of the AD7853LARZ?
The maximum sampling rate is up to 200 kSPS.
- What type of input does the AD7853LARZ support?
The AD7853LARZ supports pseudo-differential inputs.
- What is the data interface used by the AD7853LARZ?
The data interface is SPI-compatible.
- Can the AD7853LARZ use both external and internal reference voltages?
- What is the operating temperature range of the AD7853LARZ?
The operating temperature range is -40°C to 85°C.
- Is the AD7853LARZ RoHS-compliant?
- What is the package type of the AD7853LARZ?
The package type is 24-lead SOIC (Small Outline Integrated Circuit).
- What is the moisture sensitivity level (MSL) of the AD7853LARZ?
The MSL is 1 (Unlimited).
- What are some common applications of the AD7853LARZ?
