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TI - ADS1254 (ACTIVE) 24 位 20kHz 低功耗模数转换器 - 模数转换器 精密ADC(<=10MSPS)

ADS1254 (ACTIVE) 24 位 20kHz 低功耗模数转换器 此图片只做参考用
真图请以实物为准
库存状况
  • 库存数量: 685
  • 包装规格:
  • 最小订单量:1
  • 多重订单量:1
  • 单位价格(不含税):CNY 57.00
数量:
价格
    数量单位价格(不含税)
    1-24CNY 57.00
    25-49CNY 54.15
    50-99CNY 51.30
    100-249CNY 48.45
  • 制造商:TI
  • 库存编号:1616329
  • 商品型号:ADS1254E
  • RoHS胁从产品:
  • 备注:
  • 产品描述:The ADS1254 is a precision, wide dynamic range, delta-sigma, Analog-to-Digital (A/D) converter with 24-bit resolution.

The ADS1254 is a precision, wide dynamic range, delta-sigma, Analog-to-Digital (A/D) converter with 24-bit resolution. The delta-sigma architecture is used for wide dynamic range and to ensure 24 bits of no missing codes performance. An effective resolution of 19 bits (1.8ppm of rms noise) is achieved for conversion rates up to 20kHz.

The ADS1254 is designed for high-resolution measurement applications in cardiac diagnostics, smart transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. The converter includes a flexible, two-wire synchronous serial interface for low-cost isolation.

The ADS1254 is a multi-channel converter and is offered in an SSOP-20 package.

特性

24 BITS—NO MISSING CODES

19 BITS EFFECTIVE RESOLUTION UP TO 20kHz DATA RATE

LOW NOISE: 1.8ppm

FOUR DIFFERENTIAL INPUTS

INL: 15ppm (max)

EXTERNAL REFERENCE (0.5V to 5V)

POWER-DOWN MODE

SYNC MODE

LOW POWER: 4mW at 20kHz

SEPARATE DIGITAL SUPPLY 1.8V to 3.6V

APPLICATIONS

CARDIAC DIAGNOSTICS

DIRECT THERMOCOUPLE INTERFACES

BLOOD ANALYSIS

INFRARED PYROMETERS

LIQUID/GAS CHROMATOGRAPHY

PRECISION PROCESS CONTROL

All trademarks are the property of their respective owners.

 
Resolution (Bits)
Sample Rate (max) (SPS)
# Input Channels
Interface
DNL (Max) (+/-LSB)
INL (+/-) (Max) (%)
Power Consumption (Typ) (mW)
Reference Mode
Architecture
Analog Voltage AV/DD (Min) (V)
Analog Voltage AV/DD (Max) (V)
Digital Supply (Min) (V)
Digital Supply (Max) (V)
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
Integrated Features
 
ADS1253ADS1255ADS1258

24    20    24    24    24    24    24    
20kSPS    25kSPS    20kSPS    41kSPS    20kSPS    30kSPS    125kSPS    
4    1    1    1    4    2    16    
Serial SPI    Serial SPI    Serial SPI    Serial SPI    Serial SPI    Serial SPI    Serial SPI    
1    1    1    1    1    2    1    
0.0015    0.00001    0.0015    0.0015    0.0015    0.001    0.0015    
4.36    75    7.5    40    7.5    36    42    
Ext    Ext    Ext    Ext    Ext    Ext    Ext    
Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    Delta-Sigma    
4.75    4.75    4.75    4.75    4.75    4.75    4.75    
5.25    5.25    5.25    5.25    5.25    5.25    5.25    
1.8    4.75    4.75    4.75    4.75    1.8    2.5    
3.6    5.25    5.25    5.25    5.25    3.6    3.6    
Catalog    Catalog    Catalog    Catalog    Catalog    Catalog    Catalog    
-40 to 85    -40 to 85    -40 to 85     -40 to 85    -40 to 85    -40 to 105    
20SSOP    16SOIC    8SOIC    8SOIC    16SSOP    20SSOP    48VQFN    
7.17 | 1ku    8.70 | 1ku    5.99 | 1ku    6.45 | 1ku    8.40 | 1ku    6.96 | 1ku    13.05 | 100u    
 PGA       PGA 
50/60 Hz rejection 
Single Cycle Settling    
Oscillator 
GPIOs    
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