特性
- Flexible, programmable analog front-end design,up to 24-bit analog-to-digital converter (ADC)
- Fully programmable gain amplifier for optimizing sensor signals: gain range 6.6 to 216 (linear)
- Internal auto-compensated 18-bit temperature sensor
- Digital compensation of individual sensor offset
- 1st and 2nd order digital compensation of sensor gain as well as 1st and 2nd order temperature gain and offset drift
- Programmable interrupt operation
- High-speed sensing: e.g., 18-bit conditioned sensor signal measurement rate >200s-1
- Typical sensor elements can achieve an accuracy of better than ±0.10% full-scale output at -40 to 85°C
描述
The ZSSC3224 is a sensor signal conditioner (SSC) IC for high-accuracy amplification and analog-to digital conversion of a differential or pseudo-differential input signal. Designed for high-resolution sensor module applications, the ZSSC3224 can perform offset, span, and 1st and 2nd order temperature compensation of the measured signal. Developed for correction of resistive bridge or absolute voltage sensors, it can also provide a corrected temperature output measured with an internal sensor. The measured and corrected sensor values are provided at the digital output pins, which can be configured as I2C (≤ 3.4MHz) or SPI (≤ 20MHz). Digital compensation of signal offset, sensitivity, temperature, and non-linearity is accomplished via a 26-bit internal digital signal processor (DSP) running a correction algorithm. Calibration coefficients are stored on-chip in a highly reliable, non-volatile, multiple-time programmable (MTP) memory. Programming the ZSSC3224 is simple via the serial interface. The interface is used for the PC-controlled calibration procedure, which programs the set of calibration coefficients in memory. The ZSSC3224 provides accelerated signal processing, increased resolution, and improved noise immunity in order to support high-speed control, safety, and real-time sensing applications with the highest requirements for energy efficiency.
产品参数
| 属性 | 值 |
|---|---|
| Function | Resistive SSC |
| Automotive Qual. | No |
| Supply Voltage (V) | 1.68 - 3.6 |
| Input Type | Single-bridge |
| Interface | I2C, SPI |
| Adj. Analog Gain | 6.6 - 216 |
| Resolution (bits) | 24 |
| Sample Rate Max (KHz) | 1.1 |
| Temp. Range (°C) | -40 to +85°C, -40 to 85°C |
应用方框图
 | 无线压力传感器 无线压力传感器提供灵活的安装方式、实时监控、高精度和长电池寿命。 |
 | 智能热泵 节能热泵设计，具有高性能双电机控制和物联网连接。 |
 | 智能多合一高压锅 智能高压锅提供分步指导、Wi-Fi 更新、精确烹饪和能源效率。 |
 | 带有 IO-Link 的电阻式传感器平台 具备 IO-Link 连接和 SSC 预处理功能的低功耗、高性能传感方案，易于集成。 |
 | 集成从执行器的智能 HVAC 控制 这种用于 HVAC 系统的从执行器功耗低，能够提供安全双向分组数据流和自动路径选择。 |
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Renesas Boards & Kits
Evaluation Kit for ZSSC3224
The ZSSC3224KIT Evaluation Kit provides the hardware needed for configuration, calibration and evaluation of the ZSSC3224 Sensor Signal Conditioner IC. The user's PC can communicate with the ZSSC3224 sample IC (QFN24 package-available only for kit) socketed on the ZSSC32xx Evaluation Board via... 阅读详情
ZSSC32xx Evaluation Board
The ZSSC32xx Evaluation Board is included in Renesas's modular SSC Evaluation Kits for select resistive ZSSC32xx sensor signal conditioner (SSC) ICs. It provides the minimum application circuit for evaluation of the SSC IC and a socket for mounting the IC. It can be ordered separately.
