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AD7739BRUZ
+Lista de MateriaisIC ADC 24BIT SIGMA-DELTA 24TSSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7739BRUZ
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Ficha Técnica AD7739BRUZ DataSheet
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Pacote TSSOP-24
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Em Estoque1798
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Especificações
| Atributo | Valor |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 15.1k |
| Number of Inputs | 4, 8 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V, 5V |
| Features | True Bipolar |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 24-TSSOP |
Visão Geral
Description
The AD7739BRUZ operates with a low noise floor and high linearity, ensuring accurate and stable conversions. It includes an on-chip oscillator, reducing the need for external components, and offers programmable data output rates to balance speed and resolution according to application needs.
The device supports a SPI-compatible serial interface for easy integration with microcontrollers and DSPs. It also features self-calibration to maintain accuracy over time and varying environmental conditions. With its wide supply voltage range and low power consumption, the AD7739BRUZ is suitable for battery-powered and energy-efficient systems in applications like weigh scales, process control, and other precision measurement systems.
Equivalent
Features
1. Resolution and Channels: It offers 24-bit resolution and consists of 6 differential or 11 single-ended input channels, making it versatile for various signal inputs.
2. Programmable Gain: The ADC has a programmable gain feature, allowing gain settings from 1 to 128, which enhances its ability to measure small signals.
3. Data Rate and Noise Performance: It supports output data rates from 10 Hz to 15.625 kHz. The device achieves low noise performance, essential for high-accuracy measurements.
4. Calibration: It includes on-chip calibration options, such as system offset and gain calibration, for improved accuracy.
5. Interface and Power: The AD7739BRUZ communicates via a serial interface, compatible with SPI, and operates on a single 5V supply. It also features a low power consumption mode.
6. Temperature Range: Designed for robust performance, it operates within an industrial temperature range of -40°C to +85°C.
These features make the AD7739BRUZ suitable for precision measurement tasks in industrial and instrumentation applications.
Pinout
1. Analog Inputs: The ADC has 8 fully-differential or 16 single-ended analog input channels, allowing for flexible input configurations.
2. Digital Interface: It supports SPI-compatible serial interfaces, which makes it easy to integrate with microcontrollers and other digital systems.
3. Reference Inputs: Pins are available for external reference voltage inputs, which are critical for setting the full-scale input range.
4. Power Supply Pins: It requires a power supply for both analog and digital sections, typically designated as AVDD and DVDD.
5. Clock Input: It has a pin for an external clock input to synchronize the operation of the ADC.
6. Control and Status Pins: These include pins for chip select, data ready, reset, and other functions facilitating control and data retrieval.
These functions enable the AD7739BRUZ to perform high-precision measurement tasks in various applications such as industrial process control and instrumentation.