開發模組 (EVM) 的 GUI
PGA305
- Analog Features
- Analog Front-End for Resistive Bridge Sensors
- Accommodates Sensor Sensitivities From 1 mV/V to 135 mV/V
- On-Chip Temperature Sensor
- Programmable Gain
- 24-Bit Sigma-Delta Analog-to-Digital Converter for Signal Channel
- 24-Bit Sigma-Delta Analog-to-Digital Converter for Temperature Channel
- 14-Bit Output DAC
- Digital Features
- < 0.1% FSO Accuracy Across Temperature
- System Response Time < 220 µs
- Third-Order Offset, Gain, and Nonlinearity Temperature Compensation
- Diagnostic Functions
- Integrated EEPROM for Device Operation, Calibration Data and User Data
- Peripheral Features
- I2C interface for Data Reading and Device Configuration
- One-Wire Interface Enables Communication Through the Power Supply Pin Without Using Additional Lines
- 4-mA to 20-mA Current Loop Interface
- Ratiometric and Absolute Voltage Output
- Power Management Control
- Analog Low-Voltage Detect
- General Features
- Industrial Temperature Range: –40°C to 150°C
- Power Supply:
- On-Chip Power Management Accepts Wide Power-Supply Voltage From 3.3 V to 30 V
- Integrated Reverse-Protection Circuit
The PGA305 device supplies an interface for piezoresistive and strain-gauge pressure-sense elements. The device is a full system-on-chip (SoC) solution that includes programmable analog front end (AFE), ADC, and digital signal processing that enable direct connection to the sense element. The PGA305 device also includes integrated voltage regulators and an oscillator to minimize the number of external components. The PGA305 device can employ third-order temperature and nonlinearity compensation to achieve high accuracy. The device can also use the integrated I2C interface or the one-wire serial interface (OWI) to achieve external communication and simplify the system calibration process. An Integrated DAC supports absolute-voltage, ratiometric-voltage, and 4-mA to 20-mA current-loop outputs.
技術文件
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檢視所有 5 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | PGA305 Signal Conditioner and Transmitter for Pressure Sensors datasheet | PDF | HTML | 2017年 8月 29日 |
| EVM User's guide | PGAxxxEVM-034 User’s Guide (Rev. B) | 2018年 8月 1日 | ||
| Application brief | PGA900, PGA300 and PGA305 Use Case for HVAC Applications | 2017年 5月 2日 | ||
| Application brief | PGA900, PGA300 and PGA305 Use Case for the Pressure Transmitter Applications | 2017年 5月 2日 | ||
| Application brief | PGA900, PGA300 and PGA305 Use Case for Weight Scale (Load Cell) Applications | 2017年 5月 1日 |
設計與開發
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開發板
PGA305EVM-034 — 適用於電阻感測的 PGA305 訊號調節器評估模組
The PGA305 evaluation module (EVM) evaluates all the features of the PGA300 in either voltage mode or current mode. PGA300EVM has a resistive bridge on board with a potentiometer allowing for differential input voltages to be adjusted by the user to emulate a pressure-sense element. The EVM also (...)
使用指南: PDF
| 封裝 | 引腳 | 下載 |
|---|---|---|
| VQFN (RHH) | 36 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。