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AD7734BRUZ
+BOMIC ADC 24BIT SIGMA-DELTA 28TSSOP
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #AD7734BRUZ
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Bảng dữ liệu AD7734BRUZ DataSheet
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Gói TSSOP-28
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Có sẵn6997
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Active |
| NumberofBits | 24 |
| SamplingRate(PerSecond) | 15.4k |
| NumberofInputs | 4 |
| InputType | Single Ended |
| DataInterface | SPI, DSP |
| Configuration | MUX-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 2.7V ~ 3.6V, 5V |
| Features | True Bipolar |
| OperatingTemperature | -40°C ~ 105°C |
| Package/Case | 28-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 28-TSSOP |
Tổng quan
Description
Key features of the AD7734BRUZ include:
1. Multi-Channel Input: It supports four fully differential or eight single-ended input channels, allowing for versatility in connecting various sensors or signal sources.
2. High Resolution and Accuracy: With a 24-bit resolution, the ADC provides exceptional accuracy and dynamic range, making it ideal for precision measurements.
3. Programmable Gain: It offers programmable gain settings for each channel, which enhances its adaptability to different signal levels and types.
4. Low Noise and Low Drift: The device is engineered to maintain low noise and minimal drift over temperature changes, ensuring reliable performance.
5. Serial Interface: The ADC communicates through a serial interface, facilitating easy integration with microcontrollers or digital signal processors.
Overall, the AD7734BRUZ is a versatile and reliable solution for demanding ADC applications requiring high precision and multiple channel support.
Equivalent
1. Texas Instruments ADS1248 - A 24-bit ADC with similar performance characteristics.
2. Microchip Technology MCP3564R - Offers similar sigma-delta architecture.
3. Maxim Integrated MAX11254 - Another 24-bit high-resolution ADC.
4. Cirrus Logic CS5532 - A similar ADC with multi-channel capabilities.
Always verify specifications and pin compatibility when considering alternatives.
Features
1. Resolution and Channels: It provides a 24-bit resolution with four differential input channels or eight single-ended channels, allowing for precise measurements.
2. Programmable Gain Amplifier (PGA): The device includes a PGA with gain settings ranging from 1 to 128, enhancing flexibility in measuring various signal amplitudes.
3. Data Rate: The ADC supports programmable output data rates from 0.01 Hz to 15.625 kHz, catering to diverse application needs.
4. Low Noise and Drift: It offers low noise performance and excellent dc accuracy with minimal offset drift and gain drift over temperature.
5. Communication Interface: It uses a serial interface, compatible with SPI, for easy integration with microcontrollers.
6. Supply Voltage: The device operates with a single supply voltage ranging from 2.7 V to 5.25 V.
7. Power Consumption: Designed for low power usage, making it ideal for battery-powered applications.
8. Temperature Range: It functions over a wide temperature range, typically from -40°C to +105°C.
These features make the AD7734BRUZ suitable for precise, low-power applications in industrial and instrumentation fields.
Pinout
The AD7734BRUZ comes in a 28-lead TSSOP (Thin Shrink Small Outline Package) package. The main functions of the pins include:
1. Analog Input Pins (AIN1+, AIN1-, AIN2+, AIN2-, AIN3+, AIN3-, AIN4+, AIN4-) - These are differential inputs for the four analog channels.
2. Reference Pins (REFIN1+, REFIN1-, REFIN2+, REFIN2-) - These are used for external reference inputs.
3. Power Supply Pins (AVDD, DVDD, AVSS, DGND) - Supply and ground pins for analog and digital sections.
4. Serial Interface Pins (DIN, DOUT, SCLK, CS) - Used for data input, output, clock, and chip select in SPI communication.
5. Other Control Pins (RESET, MODE) - RESET initializes the device, and MODE selects operational settings.
This configuration supports versatile applications, ensuring precision and reliability in measurements.