ADS1224
The ADS1224 is a 4-channel, 24-bit, delta-sigma analog-to-digital (A/D) converter. It offers excellent performance and low power in a TSSOP-20ADS1224
The ADS1224 is a 4-channel, 24-bit, delta-sigma analog-to-digital (A/D) converter. It offers excellent performance and low power in a TSSOP-20
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製造商零件號 # : ADS1224
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包裝/封裝: TSSOP
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製造商: Texas Instruments
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產品分類 : Converters->Analog to Digital Converters
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ADS1224 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
The ADS1225 and ADS1226 are 24-bit delta-sigma analog-to-digital (A/D) converters. They offer excellent performance, ease-of-use, and low power in a small 4mm × 4mm QFN package and are well-suited for demanding high-resolution measurements, especially in portable and other space-saving and power-constrained applications.FEATURES• 100SPS Data Rate (High-Speed Mode)• Single-Cycle Settling• Easy Conversion Control with START Pin• Automatic Shutdown• Low Noise: 4µVRMS Noise (High-Resolution Mode)• Input Multiplexer with Two Differential Channels (ADS1226)• Voltage Reference Supports Ratiometric Measurements• Self-Calibrating• Simple Read-Only 2-Wire Serial Interface• Internal High-Impedance Input Buffer• Internal Temperature Sensor• Internal Oscillator• Low-Power: 1mW While Operating, <1µA During Shutdown• Analog and Digital Supplies: 2.7V to 5.5VAPPLICATIONS• Hand-Held Instrumentation• Portable Medical Equipment• Industrial Process Control
主要特徵
- 100SPS Data Rate (High-Speed Mode)
- Single-Cycle Settling
- Easy Conversion Control with START Pin
- Automatic Shutdown
- Low Noise: 4µVRMS Noise (High-Resolution Mode)
- Input Multiplexer with Two Differential Channels (ADS1226)
- Voltage Reference Supports Ratiometric Measurements
- Self-Calibrating
- Simple Read-Only 2-Wire Serial Interface
- Internal High-Impedance Input Buffer
- Internal Temperature Sensor
- Internal Oscillator
- Low-Power: 1mW While Operating, <1µA During Shutdown
- Analog and Digital Supplies: 2.7V to 5.5V
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。
Manufacturer | Texas Instruments | Product Category ! | IC Chips |
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 ADS1224?
The ADS1224 is a 24-bit, 4-channel delta-sigma analog-to-digital converter (ADC) designed by Texas Instruments. It is suitable for applications requiring high-resolution, low-power analog-to-digital conversion, such as industrial process control, smart transmitters, and precision sensor interfaces.
How Does ADS1224 Work?
The ADS1224 operates by converting analog voltage signals from up to four input channels into digital data with high resolution and low noise. It utilizes a delta-sigma architecture combined with a digital filter to achieve precise measurements. The ADC features programmable gain and data rates, enabling flexibility in different measurement applications.
How Many Pins does ADS1224 have and What are the Functions of the Pinout Configuration?
The ADS1224 is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- AGND, DGND: Analog and digital ground pins, respectively.
- AIN0-3: Analog input pins for channels 1 to 4.
- REFP1, REFN1, REFP2, REFN2: Reference voltage input pins for each channel.
- CLK, DIN, DOUT, SCLK, START/SYNC: Serial interface control pins.
- DRDY/nCS: Data ready or chip select output pin.
- RESET: Reset input pin.
What are the Pros and Cons of ADS1224?
Pros:
- Multi-Channel Capability: Supports up to four input channels for simultaneous measurements.
- High Resolution: Provides 24-bit resolution for precise analog-to-digital conversion.
- Low Power Consumption: Operates with low power, making it suitable for battery-powered devices.
- Programmable Gain: Offers flexible gain settings for dynamic range adjustment.
- Internal Voltage Reference: Includes an internal voltage reference for simplified system design.
Cons:
- Cost: High-resolution ADCs like the ADS1224 may have a higher cost compared to lower-resolution alternatives.
- Complexity: Requires careful consideration of noise, grounding, and layout for optimal performance.
- External Components: May require additional external components such as filters or amplifiers for specific applications.
Are There Any Equivalents/Alternatives to ADS1224 for Recommendation?
- The ADS1244 from Texas Instruments is a similar 24-bit, 4-channel ADC with additional features.
- Alternatives to the ADS1224 include the LTC2440 from Analog Devices and the MCP3424 from Microchip Technology.
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