ADS131M08IPBS
Analog to Digital Converters - ADC 24-bit, 32-kSPS, 8-channel, simultaneous-sampling, delta-sigma ADC 32-TQFP -40 to 125ADS131M08IPBS
Analog to Digital Converters - ADC 24-bit, 32-kSPS, 8-channel, simultaneous-sampling, delta-sigma ADC 32-TQFP -40 to 125
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製造商零件號 # : ADS131M08IPBS
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包裝/封裝: TQFP-32
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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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ADS131M08IPBS 數據表
價格 (USD)
數量 | 單價 | 總價 |
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1 | $7.022 | $7.02 |
10 | $6.176 | $61.76 |
30 | $5.661 | $169.83 |
100 | $5.228 | $522.80 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
The ADS131M08 is a eight-channel, simultaneously-sampling, 24-bit, delta-sigma(ΔΣ), analog-to-digital converter (ADC) that offers wide dynamic range, low power,and energy-measurement-specific features, making the device an excellent fit forenergy metering, power metrology, and circuit breaker applications. The ADC inputscan be directly interfaced to a resistor-divider network or a power transformer tomeasure voltage or to a current transformer or a Rogowski coil to measurecurrent.The individual ADC channels can beindependently configured depending on the sensor input.
A low-noise, programmablegain amplifier (PGA) provides gains ranging from 1 to 128 to amplify low-levelsignals. Additionally, this device integrates channel-to-channel phase calibrationand offset and gain calibration registers to help remove signal-chain errors.A low-drift, 1.2-V reference isintegrated into the device reducing printed circuit board (PCB) area. Optionalcyclic redundancy checks (CRCs) on the data input, data output, and register mapmaintain communication integrity.The complete analog front-end (AFE) isoffered in a 32-pin TQFP package or a leadless 32-pin WQFN package and is specifiedover the industrial temperature range of –40°C to +125°C.
主要特徵
- 8 simultaneously sampling differential inputs
- Programmable data rate up to 32 kSPS
- Programmable gain up to 128
- Noise performance:
- 102-dB dynamic range at gain = 1, 4 kSPS
- 80-dB dynamic range at gain = 64, 4 kSPS
- Total harmonic distortion: –100 dB
- High-impedance inputs for direct sensor connection:
- Input impedance 330-kΩfor gains of1, 2, and 4
- Input impedance ≥ 1-MΩfor gains of8, 16, 32, 64, and 128
- Programmable channel-to-channel phase delay calibration:
- 244-ns resolution, 8.192-MHz fCLKIN
- Current-detect mode allows for extremely low power tamper detection
- Fast startup: first data within 0.5 ms of supply ramp
- Integrated negative charge pump allows input signals below ground
- Crosstalk between channels: –120 dB
- Low-drift internal voltage reference
- Cyclic redundancy check (CRC) on communications and register map
- 2.7-V to 3.6-V analog and digital supplies
- Low power consumption: 6.0 mW at 3-V AVDD and DVDD
- Packages: 32-pin TQFP or 32-pinWQFN
- Operating temperature range: –40°C to +125°C
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 | Reach Compliance Code | compliant |
ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
Date Of Intro | 2019-10-24 | Analog Input Voltage-Max | 3.6 V |
Analog Input Voltage-Min | -1.3 V | Converter Type | ADC, DELTA-SIGMA |
JESD-30 Code | S-PQFP-G32 | JESD-609 Code | e4 |
Length | 5 mm | Moisture Sensitivity Level | 2 |
Number of Analog In Channels | 8 | Number of Bits | 24 |
Number of Functions | 1 | Number of Terminals | 32 |
Operating Temperature-Max | 125 °C | Operating Temperature-Min | -40 °C |
Output Bit Code | BINARY | Output Format ! | SERIAL |
Package Body Material | PLASTIC/EPOXY | Package Code | TFQFP |
Package Shape | SQUARE | Package Style | FLATPACK, THIN PROFILE, FINE PITCH |
Peak Reflow Temperature (Cel) | 260 | Sample Rate | 0.004 MHz |
Seated Height-Max | 1.2 mm | Supply Voltage-Min | 1.65 V |
Supply Voltage-Nom | 3 V | Surface Mount ! | YES |
Temperature Grade ! | AUTOMOTIVE | Terminal Finish | NICKEL PALLADIUM GOLD |
Terminal Form ! | GULL WING | Terminal Pitch ! | 0.5 mm |
Terminal Position | QUAD | Time@Peak Reflow Temperature-Max (s) | 30 |
Width | 5 mm |
Specification Comparison
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 ADS131M08IPBS?
The ADS131M08IPBS is an 8-channel, simultaneous-sampling, 24-bit delta-sigma analog-to-digital converter (ADC) designed by Texas Instruments. It is specifically optimized for precision measurements in power monitoring, industrial control systems, and data acquisition applications.
How Does ADS131M08IPBS Work?
The ADS131M08IPBS operates by converting analog input signals from its 8 channels into digital data with 24-bit resolution using a delta-sigma architecture. It features simultaneous sampling across all channels, ensuring accurate synchronization of multiple inputs. The ADC includes programmable gain and digital filters for signal conditioning and data processing.
How Many Pins does ADS131M08IPBS have and What are the Functions of the Pinout Configuration?
The ADS131M08IPBS is housed in a 32-pin WQFN (Quad Flat No-Lead) package. The pinout configuration includes:
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- AGND, DGND: Analog and digital ground pins, respectively.
- AIN0 to AIN7: Analog input pins for the 8 channels.
- VREFP, VREFN: Reference voltage input pins.
- REFOUT: Analog reference voltage output pin.
- CLK, CS, DIN, DOUT, DRDY: Serial interface control pins.
- RESET, PWDN: Reset and power-down input pins.
What are the Pros and Cons of ADS131M08IPBS?
Pros:
- Simultaneous Sampling: Ensures synchronized measurement of multiple channels.
- High Resolution: Provides 24-bit resolution for detailed and accurate measurements.
- Programmable Gain: Offers flexibility in adjusting the gain for different input signals.
- Low Power Consumption: Operates with low power for energy-efficient applications.
- Integrated Reference: Includes an internal reference for simplified circuit design.
Cons:
- Complexity: Requires careful consideration of noise, layout, and grounding for optimal performance.
- Cost: High-resolution, multi-channel ADCs like the ADS131M08IPBS may come at a higher cost.
- External Components: May need additional external components for specific application requirements.
Are There Any Equivalents/Alternatives to ADS131M08IPBS for Recommendation?
- The ADS131E08 from Texas Instruments is a similar 8-channel, 24-bit ADC with additional features.
- Alternatives to the ADS131M08IPBS include the LTC2440 from Analog Devices and the MCP3561 from Microchip Technology.
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