ADS8505IBDW
Analog-to-Digital Converter with 250ksps Sampling RateADS8505IBDW
Analog-to-Digital Converter with 250ksps Sampling Rate
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製造商零件號 # : ADS8505IBDW
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包裝/封裝: SOIC-28
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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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ADS8505IBDW 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 ADS8505IBDW is a complete 16-bit sampling A/D converter using state-of-the-art CMOS structures. It contains a complete 16-bit, capacitor-based, SAR A/D with S/H, reference, clock, interface for microprocessor use, and 3-state output drivers.The ADS8505 is specified at a 250-kHz sampling rate over the full temperature range. Precisionresistors provide an industry standard ±10-V input range, while the innovative design allows operation from a single +5-V supply, with power dissipation under 100 mW.The ADS8505 is available in 28-pin SOIC and 28-pin SSOP packages, both fully specified for operation over the industrial -40°C to 85°C temperature range.
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主要特徵
- 105dB SFDR at 250-kHz Sample Rate
- Standard ±10-V Input Range
- ±1.5 LSB Max INL
- ±1 LSB Max DNL, 16-Bits No Missing Codes
- ±2 mV Max Bipolar Zero Error With ±0.4 PPM/°C Drift
- ±0.1% FSR Max Full-Scale Error With ±2 PPM/°C Drift
- Single 5-V Supply Operation
- Pin-Compatible With ADS7805 (Low Speed) and 12-Bit ADS8504/7804
- Uses Internal or External Reference
- Full Parallel DataOutput
- 70-mW Typ Power Dissipation at 250 KSPS
- 28-Pin SSOP and SOIC Packages
應用
- Industrial Process Control
- Data Acquisition Systems
- Digital Signal Processing
- Medical Equipment
- Instrumentation
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。
Pbfree Code | Yes | Rohs Code | Yes |
Part Life Cycle Code | Active | Part Package Code | SOIC |
Pin Count ! | 28 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Analog Input Voltage-Max | 10 V | Analog Input Voltage-Min | -10 V |
Conversion Time-Max | 2.2 µs | Converter Type | ADC, SUCCESSIVE APPROXIMATION |
JESD-30 Code | R-PDSO-G28 | JESD-609 Code | e4 |
Length | 17.9 mm | Linearity Error-Max (EL) | 0.0023% |
Moisture Sensitivity Level | 2 | Number of Analog In Channels | 1 |
Number of Bits | 16 | Number of Functions | 1 |
Number of Terminals | 28 | Operating Temperature-Max | 85 °C |
Operating Temperature-Min | -40 °C | Output Bit Code | 2'S COMPLEMENT BINARY |
Output Format ! | PARALLEL, WORD | Package Body Material | PLASTIC/EPOXY |
Package Code | SOP | Package Equivalence Code | SOP28,.4 |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
Peak Reflow Temperature (Cel) | 260 | Power Supplies ! | 5 V |
Qualification Status ! | Not Qualified | Sample Rate | 0.25 MHz |
Sample and Hold / Track and Hold | SAMPLE | Seated Height-Max | 2.65 mm |
Supply Current-Max | 15 mA | Supply Voltage-Min | 4.75 V |
Supply Voltage-Nom | 5 V | Surface Mount ! | YES |
Technology | CMOS | Temperature Grade ! | INDUSTRIAL |
Terminal Finish | NICKEL PALLADIUM GOLD | Terminal Form ! | GULL WING |
Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
Time@Peak Reflow Temperature-Max (s) | 30 | Width | 7.5 mm |
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 ADS8505IBDW?
The ADS8505IBDW is a 16-bit, 200 kSPS (kilo-samples per second) analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for applications requiring high-resolution analog-to-digital conversion, such as precision measurement, data acquisition, and industrial automation.
How Does ADS8505IBDW Work?
The ADS8505IBDW operates by converting analog input signals into 16-bit digital data with a sampling rate of up to 200 kSPS. It utilizes a successive approximation register (SAR) architecture to achieve high-resolution and low-power operation. The ADC features a flexible interface and can be configured for single-ended or differential input configurations.
How Many Pins does ADS8505IBDW have and What are the Functions of the Pinout Configuration?
The ADS8505IBDW is housed in a 28-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- AIN0, AIN1, AIN2, AIN3: Analog input pins for single-ended or differential input signals.
- AGND, DGND: Analog and digital ground pins, respectively.
- REF, REFSEL: Reference voltage input and configuration pins.
- CS, SCLK, SDATA, SDOUT: Serial interface control and data pins.
- EOC, /CONVST: End of conversion and conversion start control pins.
- PD, /PWDN: Power-down and power-down control pins.
- RESET: Reset input pin.
- AVDD, DVDD: Analog and digital power supply pins, respectively.
What are the Pros and Cons of ADS8505IBDW?
Pros:
- High Resolution: Provides 16-bit resolution for precise analog-to-digital conversion.
- High Sampling Rate: Offers a sampling rate of up to 200 kSPS for high-speed data acquisition.
- Low Power Consumption: Operates with low power, suitable for battery-powered applications.
- Flexible Interface: Supports a serial interface for easy integration with microcontrollers and digital systems.
- Low Noise: Provides low noise performance for accurate measurements.
Cons:
- Cost: High-resolution, high-speed ADCs like the ADS8505IBDW 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 amplifiers or filters for specific applications.
Are There Any Equivalents/Alternatives to ADS8505IBDW for Recommendation?
- The ADS8556 from Texas Instruments is a similar 16-bit ADC with enhanced features and performance.
- Alternatives to the ADS8505IBDW include the LTC1867 from Analog Devices and the MAX11616 from Maxim Integrated.
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