ADS7841E
Analog to Digital Converters - ADC 12-Bit 4-Ch Serial Output SamplingADS7841E
Analog to Digital Converters - ADC 12-Bit 4-Ch Serial Output Sampling
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製造商零件號 # : ADS7841E
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包裝/封裝: SSOP-16
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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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ADS7841E 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 ADS7841E is a 4-channel, 12-bit sampling Analog-to-Digital Converter (ADC) with a synchronous serial interface. The resolution is programmable to either 8 bits or 12 bits. Typical power dissipation is 2mW at a 200kHz through-put rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces power dissipation to under 15uW. The ADS7841 is tested down to 2.7V operation. Low power, high speed, and on-board multiplexer make the ADS7841 ideal for battery-operated systems such as personal digital assistants, portable multi-channel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7841 is available in a DIP-16 or a SSOP-16 package and is specified over the \x9640°C to +125°C (1) temperature range.
主要特徵
- SINGLE SUPPLY: 2.7V to 5V
- 4-CHANNEL SINGLE-ENDED OR 2-CHANNEL DIFFERENTIAL INPUT
- UP TO 200kHz CONVERSION RATE
- ±1LSB MAX INL AND DNL
- NO MISSING CODES
- 72dB SINAD
- SERIAL INTERFACE
- DIP-16 OR SSOP-16 PACKAGE
- ALTERNATE SOURCE FOR MAX1247
- ADS7841ES: +125°C Version
應用
- DATA ACQUISITION
- TEST AND MEASUREMENT
- INDUSTRIAL PROCESS CONTROL
- PERSONAL DIGITAL ASSISTANTS
- BATTERY-POWERED SYSTEMS
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 ! | 16 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Analog Input Voltage-Max | 5.25 V | Analog Input Voltage-Min | |
Conversion Time-Max | 3.75 µs | Converter Type | ADC, SUCCESSIVE APPROXIMATION |
JESD-30 Code | R-PDSO-G16 | JESD-609 Code | e4 |
Length | 4.9 mm | Linearity Error-Max (EL) | 0.0488% |
Moisture Sensitivity Level | 2 | Number of Analog In Channels | 4 |
Number of Bits | 12 | Number of Functions | 1 |
Number of Terminals | 16 | Operating Temperature-Max | 85 °C |
Operating Temperature-Min | -40 °C | Output Bit Code | BINARY |
Output Format ! | SERIAL | Package Body Material | PLASTIC/EPOXY |
Package Code | SSOP | Package Equivalence Code | SSOP16,.25 |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, SHRINK PITCH |
Peak Reflow Temperature (Cel) | 260 | Power Supplies ! | 2.7/5 V |
Qualification Status ! | Not Qualified | Sample Rate | 0.2 MHz |
Sample and Hold / Track and Hold | SAMPLE | Seated Height-Max | 1.75 mm |
Supply Voltage-Min | 2.7 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 ! | 0.635 mm |
Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 30 |
Width | 3.9 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 ADS7841E?
The ADS7841E is a 12-bit, serial input, micro-power, sampling analog-to-digital converter (ADC) designed by Texas Instruments. It is suitable for applications requiring high-resolution analog-to-digital conversion with low power consumption, such as portable instruments, data acquisition systems, and battery-powered devices.
How Does ADS7841E Work?
The ADS7841E functions by converting analog input signals into digital representation with 12-bit resolution. It features a serial interface for communication with microcontrollers or other digital devices. The ADC operates with low power consumption, making it ideal for energy-efficient applications.
How Many Pins does ADS7841E have and What are the Functions of the Pinout Configuration?
The ADS7841E is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- CS: Chip select input pin.
- CLK: Clock input for serial communication.
- DIN: Serial data input pin.
- DOUT: Serial data output pin.
- AGND: Analog ground pin.
- AIN: Analog input pin.
What are the Pros and Cons of ADS7841E?
Pros:
- High Resolution: Offers 12-bit resolution for accurate analog-to-digital conversion.
- Low Power Consumption: Operates with low power, ideal for battery-powered devices.
- Serial Interface: Provides easy interface with digital systems using a simple serial communication protocol.
- Compact Package: Housed in an 8-pin SOIC package, suitable for space-constrained designs.
- Cost-Effective: Provides a balance of performance and cost for general-purpose applications.
Cons:
- Limited Features: May not have advanced features found in higher-end ADCs.
- Restricted Input Range: The analog input range may not be adjustable or optimized for specific applications.
- No Integrated Reference: Requires an external reference voltage for accurate conversions.
Are There Any Equivalents/Alternatives to ADS7841E for Recommendation?
- The ADS7823 from Texas Instruments is a 12-bit ADC with similar characteristics and performance.
- Alternatives to the ADS7841E include the MCP3201 from Microchip Technology and the MAX1236 from Maxim Integrated.
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