ADS1212 22 位模数转换器

ADS1218 相关产品
ADS1212 ADS1213
Resolution(Bits) 22 22
Sample Rate (max) 6.25kSPS 6.25kSPS
Architecture Delta-Sigma Delta-Sigma
Power Consumption(Typ)(mW) 1.4 1.4
DNL(Max)(+/-LSB) 1 1
INL(Max)(+/-LSB) 0.0015% 0.0015%
No Missing Codes(Bits) 22 22
ENOB(Bits) 20 20
No. of Supplies 1 1
Analog Voltage AV/DD(Min)(V) 4.75 4.75
Analog Voltage AV/DD(Max)(V) 5.25 5.25
Logic Voltage DV/DD(Min)(V) 4.75 4.75
Logic Voltage DV/DD(Max)(V) 5.25 5.25
Input Configuration Range 2Vref/PGA (1-16) 2Vref/PGA (1-16)
Reference Mode Int Int
Rating Catalog Catalog
Pin/Package 18PDIP, 18SOP 24PDIP, 24SOIC, 28SSOP
# Input Channels 1 4
Operating Temp Range(Celsius) -40 to 85 -40 to 85

The ADS1212 and ADS1213 are precision, wide dynamic range, delta-sigma Analog-to-Digital (A/D) converters with 24-bit resolution operating from a single +5V supply. The differential inputs are ideal for direct connection to transducers or low-level voltage signals. The delta-sigma architecture is used for wide dynamic range and to guarantee 22 bits of no missing code performance. An effective resolution of 20 bits is achieved through the use of a very low-noise input amplifier at conversion rates up to 10Hz. Effective resolutions of 16 bits can be maintained up to a sample rate of 1kHz through the use of the unique Turbo Modulator mode of operation. The dynamic range of the converters is further increased by providing a low-noise programmable gain amplifier with a gain range of 1 to 16 in binary steps.

ADS1212 特性
ADS1212 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
ADS1212P ACTIVE 10.50 | 1ku PDIP (N) | 18 20 | TUBE ADS1212P
ADS1212PG4 ACTIVE 10.50 | 1ku PDIP (N) | 18 20 | TUBE ADS1212P
ADS1212U ACTIVE 11.00 | 1ku SOP (DTC) | 18 40 | TUBE ADS
1212U
ADS1212U/1K ACTIVE -40 to 85 10.00 | 1ku SOP (DTC) | 18 1000 | LARGE T&R ADS
1212U
ADS1212U/1KG4 ACTIVE -40 to 85 10.00 | 1ku SOP (DTC) | 18 1000 | LARGE T&R ADS
1212U
ADS1212UG4 ACTIVE 11.00 | 1ku SOP (DTC) | 18 40 | TUBE ADS
1212U
ADS1212 工具与软件
名称 型号 公司 工具/软件类型
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
ADS1212 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
ADS1212P Green (RoHS & no Sb/Br)  CU NIPDAU  N/A for Pkg Type ADS1212P ADS1212P
ADS1212PG4 Green (RoHS & no Sb/Br)  CU NIPDAU  N/A for Pkg Type ADS1212PG4 ADS1212PG4
ADS1212U Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1212U ADS1212U
ADS1212U/1K Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1212U/1K ADS1212U/1K
ADS1212U/1KG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1212U/1KG4 ADS1212U/1KG4
ADS1212UG4 Green (RoHS & no Sb/Br)  CU NIPDAU  Level-2-260C-1 YEAR ADS1212UG4 ADS1212UG4
ADS1212 应用技术支持与电子电路设计开发资源下载
  1. ADS1212 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)