ADS1258IRTCT
16-channel single ADC
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製造商零件號 # : ADS1258IRTCT
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包裝/封裝: VQFNP (RTC)-48
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製造商: Texas Instruments
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產品分類 : Analog to Digital Converters (ADC)
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ADS1258IRTCT 數據表
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詳細說明
The ADS1258IRTCT is a high-precision, 16-bit analog-to-digital converter (ADC) from Texas Instruments. It is a low-power, highly integrated device that is ideal for applications requiring high resolution and accuracy in measurement, such as industrial process control, medical instrumentation, and data acquisition systems.The ADC features 8 differential or 16 single-ended input channels, with programmable data rates ranging from 30 samples per second (SPS) to 1000 SPS. It offers a wide input voltage range of ±2.5V and includes a programmable gain amplifier (PGA) with a gain range of 1 to 64.The device is equipped with a built-in precision reference voltage source and includes digital filters for improved noise rejection. It also features a flexible serial interface for communication with microcontrollers or processors.
主要特徵
- High-speed data transmission
- Fault-tolerant architecture
- Precision measurement capabilities
應用
- Great for aerospace applications
- High-accuracy medical instrument
- Reliable in automotive testing
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Resolution (Bits) | 24 | Sample rate (max) (ksps) | 125 |
Number of input channels | 16 | Interface type | SPI |
Architecture | Delta-Sigma | Input type | Differential, Single-ended |
Multichannel configuration | Multiplexed | Rating | Catalog |
Reference mode | External | Input voltage range (max) (V) | 2.85, 5.35 |
Input voltage range (min) (V) | -2.7, 0 | Features | GPIO, Oscillator |
Operating temperature range (°C) | -40 to 105 | Power consumption (typ) (mW) | 42 |
Analog supply (min) (V) | 4.75 | Analog supply voltage (max) (V) | 5.25 |
Digital supply (min) (V) | 2.7 | Digital supply (max) (V) | 5.25 |
Specification Comparison
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is ADS1258IRTCT?
The ADS1258IRTCT is a 24-bit, 8-channel delta-sigma analog-to-digital converter (ADC) designed by Texas Instruments. It is designed for applications requiring high-resolution, multi-channel measurements, such as industrial automation, data acquisition systems, and precision sensor interfaces.
How Does ADS1258IRTCT Work?
The ADS1258IRTCT operates by converting analog voltage signals from up to 8 input channels into digital data with high resolution and low noise. It utilizes a delta-sigma architecture and features a built-in digital filter for precise and stable measurement. The ADC offers programmable gain and data rates to accommodate a wide range of measurement requirements.
How Many Pins does ADS1258IRTCT have and What are the Functions of the Pinout Configuration?
The ADS1258IRTCT is housed in a 48-pin QFN (Quad Flat No-Lead) package. The pinout configuration includes:
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- AGND, DGND: Analog and digital ground pins, respectively.
- AIN0-AIN7: Analog input channels.
- REFP, REFN: Reference voltage input pins.
- CLK, DIN, DOUT, SCLK, SYNC: Serial interface control pins.
- DRDY: Data ready output pin.
- RESET: Reset input pin.
- PWDN: Power-down input pin.
What are the Pros and Cons of ADS1258IRTCT?
Pros:
- Multi-Channel Capability: Provides 8 input channels for simultaneous measurements.
- High Resolution: Offers 24-bit resolution for accurate data acquisition.
- Low Noise: Achieves low noise performance for precise signal capture.
- Programmable Gain: Allows flexible gain settings for different input signal ranges.
- Serial Interface: Supports a convenient serial interface for digital communication.
Cons:
- Complexity: Requires careful consideration of board layout and noise management for optimal performance.
- Cost: Higher channel count and resolution may lead to higher overall system cost.
- External Components: May need additional external components for specific application requirements.
Are There Any Equivalents/Alternatives to ADS1258IRTCT for Recommendation?
- The ADS1259 from Texas Instruments is a similar 24-bit, 8-channel ADC with enhanced features.
- Alternatives to the ADS1258IRTCT include the LTC2451 from Analog Devices and the MCP3428 from Microchip Technology.
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