ADS1255 24 位 30kSPS 极低噪声 Δ-Σ ADC

ADS1256 相关产品

The ADS1255 and ADS1256 are extremely low-noise, 24-bit analog-to-digital (A/D) converters. They provide complete high-resolution measurement solutions for the most demanding applications.

The converter is comprised of a 4th-order, delta-sigma (ΔΣ) modulator followed by a programmable digital filter. A flexible input multiplexer handles differential or single-ended signals and includes circuitry to verify the integrity of the external sensor connected to the inputs. The selectable input buffer greatly increases the input impedance and the low-noise programmable gain amplifier (PGA) provides gains from 1 to 64 in binary steps. The programmable filter allows the user to optimize between resolution of up to 23 bits noise-free and data rate of up to 30k samples per second (SPS).

ADS1158 ADS1250 ADS1251 ADS1252 ADS1253 ADS1254 ADS1255 ADS1258
Resolution(Bits) 16 20 24 24 24 24 24 24
Sample Rate (max) 125KSPS 25kSPS 20kSPS 41kSPS 20kSPS 20kSPS 30kSPS 125kSPS
Architecture Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma
Power Consumption(Typ)(mW) 42 75 7.5 40 7.5 4.36 36 42
DNL(Max)(+/-LSB) 1 1 1 1 1 1 2 1
INL(Max)(+/-LSB) 1 0.0012% 0.0002% 0.0003% 0.0002% 0.0002% 0.0003% 0.0003%
No Missing Codes(Bits) 16 20 24 24 24 24 24 24
ENOB(Bits) 16 18 19 19 19 19 23 21.6
No. of Supplies 2 1 1 1 1 2 2 2
Analog Voltage AV/DD(Min)(V) 4.75 4.75 4.75 4.75 4.75 4.75 4.75 4.75
Analog Voltage AV/DD(Max)(V) 5.25 5.25 5.25 5.25 5.25 5.25 5.25 5.25
Logic Voltage DV/DD(Min)(V) 2.5 4.75 4.75 4.75 4.75 1.8 1.8 2.5
Logic Voltage DV/DD(Max)(V) 3.6 5.25 5.25 5.25 5.25 3.6 3.6 3.6
Input Configuration Range 1.06 Vref Vref/PGA (1-8) Vref Vref Vref Vref 2Vref/PGA(1-64) 1.06Vref
Reference Mode Ext Ext Ext Ext Ext Ext Ext Ext
Rating Catalog Catalog Catalog Catalog Catalog Catalog Catalog Catalog
Pin/Package 48VQFN 16SOIC 8SOIC 8SOIC 16SSOP/QSOP 20SSOP/QSOP 20SSOP 48VQFN
# Input Channels 16 1 1 1 4 4 2 16
Operating Temp Range(Celsius) -40 to 105 -40 to 85 -40 to 85 -40 to 85 -40 to 85 -40 to 85 -40 to 105
ADS1255 特性
ADS1255 芯片订购指南
器件 状态 温度(oC) 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
ADS1255IDBR ACTIVE -40 to 85 7.00 | 1ku SSOP(DB) | 20 1000 | LARGE T&R ADS1255IDB
ADS1255IDBRG4 ACTIVE -40 to 85 7.00 | 1ku SSOP(DB) | 20 1000 | LARGE T&R ADS1255IDB
ADS1255IDBT ACTIVE -40 to 85 7.65 | 1ku SSOP(DB) | 20 250 | SMALL T&R ADS1255IDB
ADS1255IDBTG4 ACTIVE -40 to 85 7.65 | 1ku SSOP(DB) | 20 250 | SMALL T&R ADS1255IDB
ADS1255 工具与软件
名称 型号 公司 工具/软件类型
ADS1255 评估模块 ADS1255EVM Texas Instruments 开发电路板/EVM
用于模数转换器的抗混淆计算工具 ANTIALIASINGCALC Texas Instruments 计算实用程序
运算放大器至 ADC 电路拓扑计算器 ADC-INPUT-CALC Texas Instruments 计算实用程序
ADS1255 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
ADS1255IDBR Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1255IDBR ADS1255IDBR
ADS1255IDBRG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1255IDBRG4 ADS1255IDBRG4
ADS1255IDBT Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1255IDBT ADS1255IDBT
ADS1255IDBTG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1255IDBTG4 ADS1255IDBTG4
ADS1255 应用技术支持与电子电路设计开发资源下载
  1. ADS1255 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器仪ADC 模数转换器产品选型与价格 . xls
  3. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  4. 所选封装材料的热学和电学性质 (PDF 645 KB)
  5. 高速数据转换 (PDF 1967 KB)
  6. Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
  7. A Spreadsheet for Calculating the Frequency Response of the ADS1250-54 (PDF 461 KB)
  8. A Spreadsheet for Calculating the Frequency Response of the ADS1250-54
  9. Understanding the ADS1251, ADS1253, and ADS1254 Input Circuitry (PDF 39 KB)
  10. Analog-to-Digital Converter Grounding Practices Affect System Performance (PDF 56 KB)
  11. Principles of Data Acquisition and Conversion (PDF 50 KB)
  12. Interleaving Analog-to-Digital Converters (PDF 64 KB)
  13. What Designers Should Know About Data Converter Drift (PDF 95 KB)
  14. Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (PDF 70 KB)
  15. Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (PDF 105 KB)