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AD7795BRUZ
+Lista de MateriaisIC ADC 16BIT SIGMA-DELTA 24TSSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7795BRUZ
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Pacote TSSOP-24
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Em Estoque3719
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Especificações
| Atributo | Valor |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate(Per Second) | 470 |
| Number of Inputs | 6 |
| Input Type | Differential |
| Data Interface | SPI, DSP |
| Configuration | MUX-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Features | PGA, Temperature Sensor |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 24-TSSOP |
Visão Geral
Description
The ADC operates from a single power supply of 2.7 V to 5.25 V, and its wide supply range allows for flexibility in various applications. The serial peripheral interface (SPI) provides easy integration with microcontrollers and digital systems. The device also includes on-chip calibration, internal clock generation, and burnout current sources for sensor diagnostics.
The AD7795 is particularly suitable for precision measurement applications such as weigh scales, temperature monitors, and pressure sensors, where high accuracy and low noise are critical. Its robust design and features enable it to function effectively in industrial and instrumentation applications.
Equivalent
1. TI ADS1232: A precision 24-bit ADC from Texas Instruments.
2. TI ADS1248: A 24-bit ADC with similar features.
3. Maxim MAX11200: A 24-bit low-power ADC from Maxim Integrated.
4. Microchip MCP3561R: A low-power 24-bit ADC with similar functionality.
These alternatives may vary slightly in specifications and features, so review datasheets for compatibility.
Features
1. Resolution: It offers a 24-bit sigma-delta ADC for high precision measurements.
2. Low Power Consumption: Designed for battery-powered applications, it has a very low current consumption.
3. Programmable Gain: It includes a programmable gain amplifier (PGA) with gains ranging from 1 to 128, making it versatile for different input signal ranges.
4. Channel Count: Supports three differential analog input channels.
5. Noise Performance: Provides excellent noise performance, making it suitable for applications requiring high accuracy.
6. Power Supply: Operates on a single supply voltage from 2.7V to 5.25V.
7. On-Chip Features: Includes an internal clock and temperature sensor for added functionality.
8. Interface: Features a SPI-compatible serial interface for easy integration with microcontrollers.
9. Temperature Range: Operates over an extended industrial temperature range of -40°C to +85°C.
10. Integrated Functions: Offers burnout current detection and programmable output data rates.
Overall, the AD7795BRUZ is well-suited for precision measurement applications such as weigh scales, pressure measurement, and temperature monitoring.
Pinout
Here are the key pin functions:
1. AIN1(+) / AIN1(-): Differential analog input channels.
2. AIN2(+) / AIN2(-): Differential analog input channels.
3. AIN3(+) / AIN3(-): Differential analog input channels.
4. REFIN(+) / REFIN(-): Reference input pins.
5. VDD: Power supply input.
6. GND: Ground.
7. CS: Chip select for SPI interface.
8. SCLK: Serial clock for SPI interface.
9. DIN: Data input for SPI interface.
10. DOUT/RDY: Data output and ready signal for SPI interface.
11. RESET: Reset input used to reset the device.
These pins enable the AD7795 to interface with various external components and perform precise analog-to-digital conversion for sensor data acquisition.
Manufacturer
Application
1. Industrial Process Control: Used for precise measurement and control in various industrial systems.
2. Weigh Scales: Provides high accuracy for load cell and weigh scale applications.
3. Medical Instrumentation: Suitable for medical devices requiring precise data acquisition.
4. Temperature Monitoring: Used in systems that require precise temperature measurements.
5. Pressure Measurement: Ideal for applications involving pressure sensors and transducers.
6. Strain Gauge and Bridge Measurements: Used in systems requiring accurate strain and bridge measurements.
These applications benefit from the ADC’s low noise and high precision features.