ADS1271 24 位 105kSPS 工业 Δ-Σ ADC
ADS1271 相关产品
- ADS1274 - It is an 4-channel version of the ADS1278
- ADS1258 - 器件与被比较器件具有相似功能，但并不功能等效。
- ADS1255 - 器件与被比较器件具有相似功能，但并不功能等效。
| ADS1174 | ADS1178 | ADS1271 | ADS1274 | ADS1278 | |
| Resolution(Bits) | 16 | 16 | 24 | 24 | 24 |
| Sample Rate (max) | 52kSPS | 52kSPS | 105kSPS | 144kSPS | 144kSPS |
| Architecture | Delta-Sigma | Delta-Sigma | Delta-Sigma | Delta-Sigma | Delta-Sigma |
| Power Consumption(Typ)(mW) | 135 | 245 | 92 | 275 | 530 |
| SNR(dB) | 109 | 111 | 111 | ||
| SNR(Typ)(dB) | 97 | 97 | |||
| SFDR(dB) | 106 | 106 | 108 | 109 | 109 |
| DNL(Max)(+/-LSB) | 1 | 1 | 1 | 1 | 1 |
| INL(Max)(+/-LSB) | 0.0045% | 0.0045% | 0.0006% | 0.0003% | 0.0003% |
| No Missing Codes(Bits) | 16 | 16 | 24 | 24 | 24 |
| No. of Supplies | 2 | 2 | 2 | 3 | 3 |
| Analog Voltage AV/DD(Min)(V) | 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 |
| Logic Voltage DV/DD(Min)(V) | 1.65 | 1.65 | 1.65 | 1.65 | 1.65 |
| Logic Voltage DV/DD(Max)(V) | 1.95 | 1.95 | 3.6 | 3.6 | 3.6 |
| Input Configuration Range | Vref | Vref | 1.06Vref | Vref | Vref |
| Reference Mode | Ext | Ext | Ext | Ext | Ext |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog |
| Pin/Package | 64HTQFP | 64HTQFP | 16TSSOP | 64HTQFP | 64HTQFP |
| # Input Channels | 4 | 8 | 1 | 4 | 8 |
| Operating Temp Range(Celsius) | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 105 |
Based on the single-channel ADS1271, the ADS1274 (quad) and ADS1278 (octal) are 24-bit, delta-sigma ( 
) analog-to-digital converters (ADCs) with data rates up to 144k samples per second (SPS), allowing simultaneous sampling of four or eight channels. The devices are offered in identical packages, permitting drop-in expandability.
Traditionally, industrial delta-sigma ADCs offering good drift performance use digital filters with large passband droop. As a result, they have limited signal bandwidth and are mostly suited for dc measurements. High-resolution ADCs in audio applications offer larger usable bandwidths, but the offset and drift specifications are significantly weaker than respective industrial counterparts.
ADS1271 特性
- Simultaneously Measure Four/Eight Channels
- Up to 144kSPS Data Rate
- AC Performance:
70kHz Bandwidth
111dB SNR (High-Resolution Mode)
-108dB THD - DC Accuracy:
0.8uV/°C Offset Drift
1.3ppm/°C Gain Drift - Selectable Operating Modes:
High-Speed: 144kSPS, 106dB SNR
High-Resolution: 52kSPS, 111dB SNR
Low-Power: 52kSPS, 31mW/ch
Low-Speed: 10kSPS, 7mW/ch - Linear Phase Digital Filter
- SPI or Frame-Sync Serial Interface
- Low Sampling Aperture Error
- Modulator Output Option (digital filter bypass)
- Analog Supply: 5V
- Digital Core: 1.8V
- I/O Supply: 1.8V to 3.3V
- APPLICATIONS
- Vibration/Modal Analysis
- Multi-Channel Data Acquisition
- Acoustics/Dynamic Strain Gauges
- Pressure Sensors
ADS1271 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 |
| ADS1271IBPW | ACTIVE | 9.10 | 1ku | TSSOP (PW) | 16 | 90 | TUBE | ADS 1271B |
|
| ADS1271IBPWG4 | ACTIVE | 9.10 | 1ku | TSSOP (PW) | 16 | 90 | TUBE | ADS 1271B |
|
| ADS1271IBPWR | ACTIVE | 8.45 | 1ku | TSSOP (PW) | 16 | 2000 | LARGE T&R | ADS 1271B |
|
| ADS1271IBPWRG4 | ACTIVE | 8.45 | 1ku | TSSOP (PW) | 16 | 2000 | LARGE T&R | ADS 1271B |
|
| ADS1271IPW | ACTIVE | -40 to 125 | 6.95 | 1ku | TSSOP (PW) | 16 | 90 | TUBE | ADS 1271 |
| ADS1271IPWG4 | ACTIVE | -40 to 125 | 6.95 | 1ku | TSSOP (PW) | 16 | 90 | TUBE | ADS 1271 |
| ADS1271IPWR | ACTIVE | -40 to 125 | 6.35 | 1ku | TSSOP (PW) | 16 | 2000 | LARGE T&R | ADS 1271 |
| ADS1271IPWRG4 | ACTIVE | -40 to 125 | 6.35 | 1ku | TSSOP (PW) | 16 | 2000 | LARGE T&R | ADS 1271 |
ADS1271 工具与软件
| 名称 | 型号 | 公司 | 工具/软件类型 |
| ADS1271 性能开发套件 (PDK) | ADS1271EVM-PDK | Texas Instruments | 开发电路板/EVM |
| ADS1271 评估模块 | ADS1271EVM | Texas Instruments | 开发电路板/EVM |
| 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 |
| ADCProTM 模数转换器评估软件 | ADCPRO | Texas Instruments | 应用软件 |
ADS1271 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 |
| ADS1271IBPW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IBPW | ADS1271IBPW |
| ADS1271IBPWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IBPWG4 | ADS1271IBPWG4 |
| ADS1271IBPWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IBPWR | ADS1271IBPWR |
| ADS1271IBPWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IBPWRG4 | ADS1271IBPWRG4 |
| ADS1271IPW | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IPW | ADS1271IPW |
| ADS1271IPWG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IPWG4 | ADS1271IPWG4 |
| ADS1271IPWR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IPWR | ADS1271IPWR |
| ADS1271IPWRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-2-260C-1 YEAR | ADS1271IPWRG4 | ADS1271IPWRG4 |
ADS1271 应用技术支持与电子电路设计开发资源下载
- ADS1271 数据资料 dataSheet 下载.PDF
- TI 德州仪器仪ADC 模数转换器产品选型与价格 . xls
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- A Spreadsheet for Calculating the Frequency Response of the ADS1250-54 (PDF 461 KB)
- A Spreadsheet for Calculating the Frequency Response of the ADS1250-54
- Understanding the ADS1251, ADS1253, and ADS1254 Input Circuitry (PDF 39 KB)
- Analog-to-Digital Converter Grounding Practices Affect System Performance (PDF 56 KB)
- Principles of Data Acquisition and Conversion (PDF 50 KB)
- Interleaving Analog-to-Digital Converters (PDF 64 KB)
- What Designers Should Know About Data Converter Drift (PDF 95 KB)
- Giving Delta-Sigma Converters a Gain Boost with a Front End Analog Gain Stage (PDF 70 KB)
- Programming Tricks for Higher Conversion Speeds Utilizing Delta Sigma Converters (PDF 105 KB)