ADS7806U
1-Channel Single ADC SAR 40ksps 12-bit Parallel/Serial 28-Pin SOIC TubeADS7806U
1-Channel Single ADC SAR 40ksps 12-bit Parallel/Serial 28-Pin SOIC Tube
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製造商零件號 # : ADS7806U
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包裝/封裝: SOIC-28
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零件狀態 : Active
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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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ADS7806U 數據表
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詳細說明
The ADS7806U is a low-power, 12-bit, sampling Analog-toDigital (A/D) converter using state of the art CMOS structures. It contains a complete 12-bit, capacitor-based, Successive Approximation Register (SAR) A/D converter with sampleand-hold, clock, reference, and a microprocessor interface with parallel and serial output drivers.
主要特徵
● POWER DISSIPATION: 35mW max
● POWER-DOWN MODE: 50µW
● ACQUISITION AND CONVERSION: 25µs max
● ±1/2 LSB MAX INL AND DNL
● 72dB MIN SINAD WITH 1kHz INPUT
● INPUT RANGES: ±10V, 0V to +5V, and 0V TO +4V
● SINGLE +5V SUPPLY OPERATION
● PARALLEL AND SERIAL DATA OUTPUT
● PIN-COMPATIBLE WITH THE 16-BIT ADS7807
● USES INTERNAL OR EXTERNAL REFERENCE
● 0.3" DIP-28 AND SO-28
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 ! | Analog to Digital Converters (ADC) |
Series | ADS7806 | Product | Analog to Digital Converters |
Packaging ! | Tube Alternate Packaging | Unit-Weight | 28-SOIC (0.295", 7.50mm Width) |
Mounting-Style | - | Package-Case | 1 Channel |
Input-Type | 28-SOIC | Operating-Temperature | 40k |
Features | 5V | Number-of-Channels | 5V |
Supplier-Device-Package | S/H-ADC | Sampling-Rate-Per-Second | SAR |
Data-Interface | External, Internal | Number-of-Bits | 35 mW |
Voltage-Supply-Analog | + 85 C | Voltage-Supply-Digital | - 40 C |
Configuration | Parallel Serial SPI | Architecture | 73 dB |
Number-of-Inputs | SOIC-28 | Resolution | 1 Converter |
Reference-Type | 4.75 V to 5.25 V |
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 ADS7806U?
The ADS7806U is a 12-bit, high-speed, serial-output analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for applications requiring fast and accurate analog-to-digital conversion, such as data acquisition systems, industrial automation, and instrumentation.
How Does ADS7806U Work?
The ADS7806U operates by converting analog input signals into 12-bit digital output data. It utilizes a successive approximation register (SAR) architecture combined with internal sample-and-hold circuitry for precise conversion. The ADC features high sampling rates and a serial interface for easy data communication with microcontrollers or processors.
How Many Pins does ADS7806U have and What are the Functions of the Pinout Configuration?
The ADS7806U comes in a 20-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- VDD, AGND, DGND: Power supply and ground pins.
- CS, SCLK, SDATA: Serial interface control pins for communication.
- EOC: End of conversion output pin.
- AIN, ADD0-ADD3: Analog input and address select pins.
- REF, REFCOM, REFBUF: Reference voltage pins.
What are the Pros and Cons of ADS7806U?
Pros:
- High Speed: Suitable for applications requiring fast analog-to-digital conversion rates.
- 12-bit Resolution: Offers good resolution for accurate data acquisition.
- Serial Output: Easily interfaces with digital systems through a serial interface.
- Internal Sample-and-Hold: Ensures accurate conversion of input signals.
- Low Power Consumption: Operates with low power for energy-efficient applications.
Cons:
- External Components: May require external components for signal conditioning or filtering.
- Noisy Environment Susceptibility: High-speed ADCs like the ADS7806U may be sensitive to electrical noise.
- Cost: Higher resolution and speed may come at a higher cost compared to lower-end ADCs.
Are There Any Equivalents/Alternatives to ADS7806U for Recommendation?
- An equivalent part to the ADS7806U is the ADS7807 also from Texas Instruments.
- Alternatives to the ADS7806U include the MAX1238 from Maxim Integrated and the LTC1864L from Analog Devices.
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