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IC ADC 12BIT SAR SOT23-8
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7991YRJZ-0500RL7
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Ficha Técnica AD7991YRJZ-0500RL7 DataSheet
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Pacote SOT-23-8
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Em Estoque6006
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate(Per Second) | 140k |
| Number of Inputs | 3, 4 |
| Input Type | Single Ended |
| Data Interface | I²C |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7V ~ 5.5V |
| Voltage - Supply, Digital | 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | SOT-23-8 |
Visão Geral
Description
The device provides a flexible input that supports both single-ended and differential configurations. It includes an automatic channel selection, programmable alert function, and a power-down mode to optimize power consumption, making it ideal for battery-operated devices. The AD7991 also supports a wide operating temperature range, enhancing its reliability in harsh environments.
Its compact MSOP package and low current consumption make it suitable for space-constrained applications. Typical applications include industrial process control, remote data acquisition, and portable instrumentation. Its I2C interface ensures easy integration with microcontrollers and other digital systems, facilitating efficient and accurate data conversion.
Equivalent
1. Texas Instruments ADS1015: 4-channel, 12-bit ADC with I²C interface.
2. Microchip Technology MCP3424: 4-channel, 18-bit ADC with I²C interface.
3. Maxim Integrated MAX11647: 4-channel, 12-bit ADC with I²C interface.
These alternatives offer similar functionalities but may differ in resolution, speed, or specific features. Always check datasheets for compatibility with your application.
Features
1. 12-Bit Resolution: Provides high-accuracy conversion of analog signals to digital data.
2. I²C-Compatible Interface: Allows easy integration with microcontrollers or other digital systems for data communication.
3. 4 Multiplexed Input Channels: Supports multiple input signals, enabling versatile monitoring of different sources.
4. Fast Conversion Rate: Offers a quick response time suitable for dynamic and real-time applications.
5. Low Power Consumption: Ideal for battery-powered and portable applications due to its efficient power usage.
6. SMBus Alert Function: Facilitates system-level monitoring and diagnostics.
7. On-Chip Reference: Simplifies circuit design by reducing external component requirements.
8. Small Package Size: Comes in a compact TSOT package, saving space on the circuit board.
These features make the AD7991YRJZ-0500RL7 suitable for various applications, including industrial process control, automotive systems, and portable instrumentation.
Pinout
Key functions and features include:
- 4-Channel Input: It can multiplex up to 4 single-ended analog input channels.
- 12-Bit Resolution: Provides precise conversion with a 12-bit resolution.
- I²C-Compatible Interface: Communicates using an I²C-compatible 2-wire serial interface, making it easy to integrate with microcontrollers.
- Low Power Consumption: Optimized for low power, suitable for battery-operated devices.
- Internal Clock: Features an internal clock, simplifying design requirements.
- Power Supply: Operates from a single 2.7 V to 5.5 V power supply.
- Conversion Rate: Capable of achieving fast conversion rates, up to 188 kSPS.
These features make the AD7991 suitable for applications requiring precise analog signal acquisition over multiple channels with low power usage.
Manufacturer
Application
1. Data Acquisition Systems: Used for collecting and processing analog signals.
2. Industrial Automation: Helps in monitoring and controlling industrial processes.
3. Medical Instrumentation: Assists in precise data conversion for medical diagnostics.
4. Battery-Powered Devices: Ideal for portable electronics due to low power consumption.
5. Environmental Monitoring: Utilized in systems for tracking environmental parameters.
6. Consumer Electronics: Fits applications requiring efficient data conversion like audio equipment.
These applications leverage the ADC's precision, low power consumption, and compact size.