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規格
| 屬性 | 價值 |
| Brand | Analog Devices |
| Product Type | ADCs - Analog to Digital Converters |
| Subcategory | Data Converter ICs |
| Series | AD7923 |
| Factory Pack Quantity | 96 |
| Packaging | Tube |
| Mounting Type | SMD/SMT |
| Resolution | 12 bit |
| Number of Channels | 4 Channel |
| Interface Type | SPI |
| Sampling Rate | 200 kS/s |
| Input Type | Single-Ended |
| Architecture | SAR |
| DNL - Differential Nonlinearity | +/- 1.5 LSB |
| Height | 1.05 mm |
| INL - Integral Nonlinearity | +/- 1 LSB |
| Pd - Power Dissipation | 7.5 mW |
| Reference Type | External |
| Type | S/H ADC |
| Unit Weight | 0.006102 oz |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Package / Case | TSSOP-16 |
| Supply Voltage - Max | 5 V |
| Supply Voltage - Min | 5 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Operating Supply Voltage | 5 V |
| SNR - Signal to Noise Ratio | 70 dB |
| Gain Error | +/- 1.5 LSB |
| Input Voltage | 2.5 V/5 V |
| Length | 5 mm |
| Number of ADC Inputs | 4 Input |
| Number of Converters | 1 Converter |
| Sample and Hold | Yes |
| Width | 4.4 mm |
概述
Description
The AD7991YRJZ is a 12-bit analog-to-digital converter (ADC) designed for low-power, high-precision applications. It features a 4-channel multiplexer allowing the selection of multiple analog inputs, making it suitable for measuring various signals in industrial, automotive, and consumer electronics. The device operates from a single power supply, typically 2.7V to 5.5V, and offers a maximum sampling rate of 1 kSPS.
Key specifications include an internal reference voltage, low noise performance, and an I2C-compatible serial interface for easy communication with microcontrollers. The AD7991YRJZ also includes power-saving modes, enabling reduced power consumption during idle periods, enhancing its efficiency in battery-operated devices. Its compact size and integrated features make it ideal for applications requiring accurate digital representation of analog signals, such as sensor monitoring and data acquisition.
Key specifications include an internal reference voltage, low noise performance, and an I2C-compatible serial interface for easy communication with microcontrollers. The AD7991YRJZ also includes power-saving modes, enabling reduced power consumption during idle periods, enhancing its efficiency in battery-operated devices. Its compact size and integrated features make it ideal for applications requiring accurate digital representation of analog signals, such as sensor monitoring and data acquisition.
Equivalent
The AD7991YRJZ is a 12-bit, 8-channel ADC from Analog Devices. Equivalent products include the MCP3424 from Microchip, the LTC1865 from Analog Devices, and the MAX11614 from Maxim Integrated. These alternatives offer similar specifications, such as multi-channel input, 12-bit resolution, and I2C interface, suitable for similar applications in data acquisition systems. Always verify specific requirements and features before selecting an equivalent.
Features
The AD7991YRJZ is a 12-bit analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. 12-Bit Resolution: Provides high accuracy for various applications.
2. Single Supply Operation: Operates from a single 2.7V to 5.5V power supply.
3. Low Power Consumption: Consumes only 0.5 mA during normal operation and less than 1 µA in shutdown mode.
4. Multiple Input Channels: Supports up to 8 single-ended input channels, allowing for versatile signal acquisition.
5. Speed: Capable of up to 1 kSPS throughput with a simple serial interface.
6. Internal Reference: Includes an internal reference voltage for convenience.
7. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C.
8. SPI Interface: Communicates using a Serial Peripheral Interface (SPI) for easy integration.
9. PGA Support: Can interface with a programmable gain amplifier for enhanced signal conditioning.
These features make the AD7991YRJZ suitable for industrial, automotive, and medical applications.
1. 12-Bit Resolution: Provides high accuracy for various applications.
2. Single Supply Operation: Operates from a single 2.7V to 5.5V power supply.
3. Low Power Consumption: Consumes only 0.5 mA during normal operation and less than 1 µA in shutdown mode.
4. Multiple Input Channels: Supports up to 8 single-ended input channels, allowing for versatile signal acquisition.
5. Speed: Capable of up to 1 kSPS throughput with a simple serial interface.
6. Internal Reference: Includes an internal reference voltage for convenience.
7. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C.
8. SPI Interface: Communicates using a Serial Peripheral Interface (SPI) for easy integration.
9. PGA Support: Can interface with a programmable gain amplifier for enhanced signal conditioning.
These features make the AD7991YRJZ suitable for industrial, automotive, and medical applications.
Pinout
The AD7991YRJZ is a 12-bit analog-to-digital converter (ADC) with a total of 8 pins. The pin configuration and their primary functions are as follows:
1. VDD (Pin 1) - Power supply input.
2. AGND (Pin 2) - Analog ground reference.
3. REF (Pin 3) - Reference voltage input.
4. SCL (Pin 4) - Serial clock input for SPI communication.
5. SDA (Pin 5) - Serial data input/output for SPI communication.
6. CS (Pin 6) - Chip select input to enable the device.
7. VIN+ (Pin 7) - Positive analog input voltage.
8. VIN- (Pin 8) - Negative analog input voltage.
The AD7991 is designed for low-power applications and features a single-supply operation, making it suitable for a variety of sensor and measurement applications.
1. VDD (Pin 1) - Power supply input.
2. AGND (Pin 2) - Analog ground reference.
3. REF (Pin 3) - Reference voltage input.
4. SCL (Pin 4) - Serial clock input for SPI communication.
5. SDA (Pin 5) - Serial data input/output for SPI communication.
6. CS (Pin 6) - Chip select input to enable the device.
7. VIN+ (Pin 7) - Positive analog input voltage.
8. VIN- (Pin 8) - Negative analog input voltage.
The AD7991 is designed for low-power applications and features a single-supply operation, making it suitable for a variety of sensor and measurement applications.
Manufacturer
The AD7991YRJZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacture of a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is well-known for its expertise in high-performance analog technology, providing solutions for various applications such as industrial automation, automotive, healthcare, communication, and consumer electronics. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices has established itself as a leader in the semiconductor industry, emphasizing innovation and high-quality products. The AD7991 is a specific model within their product line, which typically includes analog-to-digital converters (ADCs), amplifiers, and other signal processing components.
Application
The AD7991YRJZ is a 12-bit analog-to-digital converter (ADC) used in various applications, including industrial process control, battery monitoring, and medical instrumentation. Its features support multi-channel systems for data acquisition, telemetry, and sensor interfacing. Common application areas include temperature sensors, pressure sensors, and other analog signal conditioning tasks in embedded systems. The ADC is also suitable for portable devices and automotive applications, where precision and power efficiency are critical. Its I2C interface facilitates easy integration into microcontroller-based systems for real-time data processing.
Package
The AD7991YRJZ is packaged in a 10-lead MSOP (Mini Small Outline Package), which is designed for compact applications.
