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AD7991YRJZ

Name: AD7991YRJZ
Rating: 4.7 (12 reviews)

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Мфр. Часть #AD7991YRJZ
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Спецификации

Brand	Analog Devices
Product Type	ADCs - Analog to Digital Converters
Subcategory	Data Converter ICs
Series	AD7923
Factory Pack Quantity:Factory Pack Quantity	96
Packaging	Tube
Mounting Style	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

Обзор

Description

The AD7991YRJZ is a 12-bit, analog-to-digital converter (ADC) designed for low-power applications. It features a single-ended input and operates with a supply voltage range of 2.7V to 5.5V. The device supports a maximum sampling rate of 1 kSPS (kilo samples per second) and includes an integrated reference, making it suitable for battery-powered devices.
Key features include a serial interface (SPI-compatible) for easy communication with microcontrollers and digital signal processors, and the ability to operate in various modes, including single-ended and differential configurations. The AD7991 is known for its low power consumption, making it ideal for portable and battery-operated devices.
Applications typically include environmental monitoring, industrial automation, and portable medical equipment. The compact size and integrated features facilitate easy prototyping and implementation in various electronic projects.

Features

The AD7991YRJZ is a 12-bit successive approximation analog-to-digital converter (ADC) with a 4-channel input. Key features include:
1. Resolution: 12-bit resolution for precise data conversion.
2. Sampling Rate: Capable of up to 1 MSPS (mega samples per second).
3. Input Range: Supports a single-ended input range of 0 to VREF.
4. Interface: SPI-compatible serial interface for easy communication with microcontrollers.
5. Power Supply: Operates on a supply voltage of 2.7V to 5.5V.
6. Low Power Consumption: Power-saving features, consuming as little as 1.5 mA in normal operation and 0.1 µA in shutdown mode.
7. On-chip Reference: Features a built-in voltage reference that simplifies design.
8. Temperature Range: Specified for operation over -40°C to +125°C.
9. Multiple Channels: Allows switching between four input channels, making it suitable for multi-sensor applications.
These features make the AD7991YRJZ ideal for portable and battery-operated devices.

Package

The AD7991YRJZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with a specific dimension designed for surface mounting.

Pinout

The AD7991YRJZ is a 12-bit, 4-channel, analog-to-digital converter (ADC) from Analog Devices. It comes in a 16-lead TSSOP package, which has a pin count of 16.
### Pin Functions:
1. VDD: Power supply input.
2. GND: Ground reference.
3. SDA: Serial data line for I2C communication.
4. SCL: Serial clock line for I2C communication.
5. CS: Chip select input for SPI communication.
6. CONVST: Conversion start signal.
7. A0-A3: Analog input channels (4 total).
8. ALRT: Alert output for interrupt signaling.
9. REF: Reference voltage input.
10. VIO: I/O supply voltage.
The AD7991 supports I2C and SPI interfaces for communication, making it versatile for various applications in precision measurement and monitoring.

Manufacturer

The AD7991YRJZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts. It specializes in data conversion, signal processing, and power management technologies. The company provides a range of analog, mixed-signal, and digital signal processing integrated circuits (ICs) for various applications, including communications, automotive, industrial automation, and consumer electronics. Analog Devices is known for its innovation and high-performance products that enable precise measurements and control in electronic systems.

Application

The AD7991YRJZ is a 12-bit, 4-channel analog-to-digital converter (ADC) commonly used in industrial automation, process control, and sensor monitoring. Its application areas include data acquisition systems, medical instrumentation, environmental monitoring, and battery management systems. The device's features make it suitable for low-power, high-accuracy applications in embedded systems and IoT devices.

Equivalent

The AD7991YRJZ is a 12-bit analog-to-digital converter (ADC) with an I2C interface. Equivalent products include:
1. MCP3424 (Microchip) - 12-bit, I2C ADC
2. LTC1867 (Analog Devices) - 12-bit, SPI ADC
3. ADS1115 (Texas Instruments) - 16-bit, I2C ADC
Select based on resolution, interface type, and specific application requirements.

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