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ADS8028IRTJT
12-bit, 8-channel, 1MSPS, SAR ADC with Internal Reference and Internal Temperature Sensor 20-QFN -40 to 125
ADS8028IRTJT
12-bit, 8-channel, 1MSPS, SAR ADC with Internal Reference and Internal Temperature Sensor 20-QFN -40 to 125
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製造商零件號 # : ADS8028IRTJT
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包裝/封裝: QFN-20
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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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ADS8028IRTJT 數據表
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詳細說明
The ADS8028IRTJT is a 12-bit analog-to-digital converter (ADC), capable of operating at sampling speeds up to 1 MSPS.The device is based on a successive approximation register (SAR) core and provides an inherent sample-and-hold (SH) front-end.In addition to having eight analog input channels, the ADS8028 offers an internal temperature sensor with 0.25°C resolution and an internal voltage reference. A nine-channel internal multiplexer enables multiple channels to be selected (including the internal temperature sensor) that are indefinitely scanned in a sequential manner. A simple SPI-compatible serial interface provides easy communication and control between the device and host controller.The digital supply can operate from 1.65 V to 5.25 V, enabling direct interface with a wide range of processors and controllers.At full speed of 1 MSPS, the ADS8028 dissipates only 17 mW.The device offers flexible power-down modes to save power when conversions are not being performed. The ADS8028 performance is specified over the extended industrial temperature range of –40°C to +125°C.The ADS8028 is ideal for demanding measurement applications, such as sensor output monitoring, power-supply monitoring, and printed circuit board (PCB) hot-spot analysis, and is available in a small form-factor QFN-20 package.
主要特徵
- Outstanding Performance:
- Throughput: Up to 1 MSPS
- No Missing Codes: 12 Bits
- INL: ±0.5 LSB
- SNR: 72 dB
- Highly Integrated:
- Eight Analog Inputs
- High-Resolution Internal Temperature Sensor
- Nine-Channel Multiplexer with Channel Sequencer
- Low-Drift Internal Voltage Reference
- Wide Supply Range:
- Analog Supply (AVDD): 2.7 V to 5.25 V
- Digital Supply (DVDD): 1.65 V to 5.25 V
- Low Power:
- 17 mW at 1 MSPS
- Flexible Power-Down Modes
- SPI™-Compatible Serial Interface: 20 MHz
- Small Footprint: 4-mm × 4-mm, Thin QFN-20
應用
• Programmable Logic Controls (PLCs)
• Industrial Process Controls (IPCs)
• Telecommunications
• Power-Supply Monitoring
• PCB Hot-Spot Analysis
• Battery-Powered Applications
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 | QFN |
| Pin Count ! | 20 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Analog Input Voltage-Max | 2.5 V | Analog Input Voltage-Min | |
| Conversion Time-Max | 100 µs | Converter Type | ADC, SUCCESSIVE APPROXIMATION |
| JESD-30 Code | S-PQCC-N20 | JESD-609 Code | e4 |
| Length | 4 mm | Linearity Error-Max (EL) | 0.0244% |
| Moisture Sensitivity Level | 2 | Number of Analog In Channels | 8 |
| Number of Bits | 12 | Number of Functions | 1 |
| Number of Terminals | 20 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Output Bit Code | BINARY, 2'S COMPLEMENT BINARY |
| Output Format ! | SERIAL | Package Body Material | PLASTIC/EPOXY |
| Package Code | HVQCCN | Package Equivalence Code | LCC20,.16SQ,20 |
| Package Shape | SQUARE | Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | Power Supplies ! | 1.8/5,3/5 V |
| Qualification Status ! | Not Qualified | Sample Rate | 1 MHz |
| Sample and Hold / Track and Hold | SAMPLE | Seated Height-Max | 0.8 mm |
| Supply Current-Max | 7.5 mA | Supply Voltage-Min | 1.65 V |
| Supply Voltage-Nom | 3 V | Surface Mount ! | YES |
| Temperature Grade ! | AUTOMOTIVE | Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form ! | NO LEAD | Terminal Pitch ! | 0.5 mm |
| Terminal Position | QUAD | Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Width | 4 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。
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