TLV2556-EP
- 12-Bit-Resolution Analog-to-Digital Converter (ADC)
- Up to 200-KSPS (150-KSPS for 3 V)
Throughput Bit With 12-Output Mode Over
Operating Temperature Range - 11 Analog Input Channels
- 3 Built-In Self-Test Modes
- Programmable Reference (2.048 V/4.096 V
Internal or External) - Inherent Sample and Hold Function
- Linearity Error...±1 LSB Max
- On-Chip Conversion Clock
- Programmable Conversion Status Output: INT
or EOC - Unipolar or Bipolar Output Operation
- Programmable MSB or LSB First
- Programmable Power Down
- Programmable Output Data Length
- SPI Compatible Serial Interface With I/O Clock
Frequencies up to 15 MHz (CPOL = 0, CPHA = 0) - SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C/125°C)
Temperature Range(1) - Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
- APPLICATIONS
- Industrial Process Control
- Portable Data Logging
- Battery Powered Instruments
- Automotive
(1) Additional temperature ranges are available - contact factory
The TLV2556 is a 12-bit, switched-capacitor, successive-approximation, analog-to-digital converter (ADC). The ADC has three control inputs [chip select (CS), the input-output clock, and the address/control input (DATAIN)], designed for communication with the serial port of a host processor or peripheral through a serial 3-state output.
In addition to the high-speed converter and versatile control capability, the device has an on-chip 14-channel multiplexer that can select any one of 11 inputs or any one of three internal self-test voltages using configuration register 1. The sample-and-hold function is automatic. At the end of conversion, when programmed as EOC, the pin 19 output goes high to indicate that conversion is complete. If pin 19 is programmed as INT, the signal goes low when the conversion is complete. The converter incorporated in the device features differential, high-impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A switched-capacitor design allows low-error conversion over the full operating temperature range. An internal reference is available and its voltage level is programmable via configuration register 2 (CFGR2).
The TLV2556 is characterized for operation from TA = 55°C to 125°C.
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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | 12-Bit 200-KSPS 11-Channel Low-Power Serial ADC With Internal Reference datasheet (Rev. A) | 2009年 7月 27日 | |
* | VID | TLV2556-EP VID V6208622 | 2016年 6月 21日 | |
* | Radiation & reliability report | TLV2556MPWREP Reliability Report | 2011年 8月 26日 | |
E-book | Best of Baker's Best: Precision Data Converters -- SAR ADCs | 2015年 5月 21日 | ||
Application note | Determining Minimum Acquisition Times for SAR ADCs, part 2 | 2011年 3月 17日 | ||
Application note | Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A) | 2010年 11月 10日 |
設計與開發
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訂購與品質
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- 進行中可靠性監測
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