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ADS1258-EP的基本参数
  • 制造厂商:TI
  • 产品类别:数据转换器
  • 技术类目:模数转换器 (ADC) - 精密模数转换器 (<=10MSPS)
  • 功能描述:增强型产品 16 通道 24 位模数转换器 (ADC)
  • 点击这里打开及下载ADS1258-EP的技术文档资料
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ADS1258-EP的产品详情:

The ADS1258 is a 16-channel (multiplexed), low-noise, 24-bit, delta-sigma () analog-to-digital converter (ADC) that provides single-cycle settled data at channel scan rates from 1.8k to 23.7k samples per second (SPS) per channel. A flexible input multiplexer accepts combinations of eight differential or 16 single-ended inputs with a full-scale differential range of 5 V or true bipolar range of ±2.5 V when operating with a 5-V reference. The fourth-order delta-sigma modulator is followed by a fifth-order sinc digital filter optimized for low-noise performance.

The differential output of the multiplexer is accessible to allow signal conditioning prior to the input of the ADC. Internal system monitor registers provide supply voltage, temperature, reference voltage, gain, and offset data.

An onboard PLL generates the system clock from a 32.768-kHz crystal, or can be overridden by an external clock source. A buffered system clock output (15.7 MHz) is provided to drive a microcontroller or additional converters.

Serial digital communication is handled via an SPI-compatible interface. A simple command word structure controls channel configuration, data rates, digital I/O, monitor functions, etc.

Programmable sensor bias current sources can be used to bias sensors or verify sensor integrity.

The ADS1258 operates from a unipolar 5-V or bipolar ±2.5-V analog supply and a digital supply compatible with interfaces ranging from 2.7 V to 5.25 V. The ADS1258 is available in QFN-48 and QFP-48 packages.

ADS1258-EP的优势和特性:
  • 24 Bits, No Missing Codes
  • Fixed-Channel or Automatic Channel Scan
  • Fixed-Channel Data Rate: 125 kSPS
  • Auto-Scan Data Rate: 23.7 kSPS/Channel
  • Single-Conversion Settled Data
  • 16 Single-Ended or 8 Differential Inputs
  • Unipolar (5 V) or Bipolar (±2.5 V) Operation
  • Low Noise: 2.8 μVRMS at 1.8 kSPS
  • 0.0003% Integral Nonlinearity
  • DC Stability (typical): 0.02 μV/°C Offset Drift, 0.4 ppm/°C Gain Drift
  • Open-Sensor Detection
  • Conversion Control Pin
  • Multiplexer Output for External Signal Conditioning
  • On-Chip Temperature, Reference, Offset, Gain, and Supply Voltage Readback
  • 42-mW Power Dissipation
  • Standby, Sleep, and Power-Down Modes
  • 8 General-Purpose Inputs/Outputs (GPIO)
  • 32.768-kHz Crystal Oscillator or External Clock
  • APPLICATIONS
    • Medical, Avionics, and Process Control
    • Machine and System Monitoring
    • Fast Scan Multi-Channel Instrumentation
    • Industrial Systems
    • Test and Measurement Systems
  • APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (–55°C/125°C) and Industrial (–40°C/105°C) Temperature Ranges(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability

(1) Custom temperature ranges available All other trademarks are the property of their respective owners

ADS1258-EP的参数(英文):
  • Resolution (Bits)
  • 24
  • Number of input channels
  • 16
  • Sample rate (Max) (kSPS)
  • 125
  • Interface type
  • SPI
  • Architecture
  • Delta-Sigma
  • Input type
  • Differential, Single-Ended
  • Multi-channel configuration
  • Multiplexed
  • Rating
  • HiRel Enhanced Product
  • Reference mode
  • Ext
  • Input range (Max) (V)
  • 2.75, 5.35
  • Input range (Min) (V)
  • -2.7, -0.1
  • Features
  • GPIO, Oscillator, Temp Sensor
  • Operating temperature range (C)
  • -40 to 105, -55 to 125
  • Power consumption (Typ) (mW)
  • 42
  • Analog voltage AVDD (Min) (V)
  • 4.75
  • SNR (dB)
  • 117
  • Analog voltage AVDD (Max) (V)
  • 5.25
  • INL (Max) (+/-LSB)
  • 167.8
  • Digital supply (Min) (V)
  • 2.7
  • Digital supply (Max) (V)
  • 5.25
ADS1258-EP具体的完整产品型号参数及价格(美元):

ADS1258-EP的完整型号有:ADS1258IPHPREP、ADS1258MPHPTEP、ADS1258MRTCTEP、V62/09626-01XE、V62/09626-01YE、V62/09626-02XE、V62/09626-02YE,以下是这些产品的关键参数及官网采购报价:

ADS1258IPHPREP,工作温度:-40 to 105,封装:HTQFP (PHP)-48,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网ADS1258IPHPREP的批量USD价格:14.738(1000+)

ADS1258MPHPTEP,工作温度:-55 to 125,封装:HTQFP (PHP)-48,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网ADS1258MPHPTEP的批量USD价格:16.801(1000+)

ADS1258MRTCTEP,工作温度:-55 to 125,封装:VQFN (RTC)-48,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网ADS1258MRTCTEP的批量USD价格:16.801(1000+)

V62/09626-01XE,工作温度:-55 to 125,封装:VQFN (RTC)-48,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网V62/09626-01XE的批量USD价格:16.801(1000+)

V62/09626-01YE,工作温度:-55 to 125,封装:HTQFP (PHP)-48,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网V62/09626-01YE的批量USD价格:16.801(1000+)

V62/09626-02XE,工作温度:-40 to 105,封装:HTQFP (PHP)-48,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网V62/09626-02XE的批量USD价格:14.738(1000+)

V62/09626-02YE,工作温度:-40 to 105,封装:HTQFP (PHP)-48,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:NIPDAU,TI官网V62/09626-02YE的批量USD价格:14.738(1000+)

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ADS1258-EP的评估套件:

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