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模数转换器 ADC CS5530 芯片
https://www.hqchip.com/gongsi/73622.html
信格勒微电子 携手 华秋商城 共创国产高精度模数转换器芯片平替新生态
因为 fully compatible. 板子拿来，换个芯片，性能更好。MCU 不用改 c code。
SIG5530
1.6SPS to 3840SPS
24-bit ADC with PGA GAIN = 64
Compatible Parts
CS5530 pin/register fully compatible (10nV/℃ and 2ppm/℃).
Features
- Programmable Gain：64
- Data Rates: 1.6SPS to 3840SPS
- RMS Noises: 16nV at 4.17SPS (Gain = 128)
- Offset Drift: 5nV/℃ (Gain = 128)
- Gain Drift: 0.5ppm/℃
- Integral Non-linearity: 3ppm
- Reference input current: 250nA
- Internal or External Clock
- SINC3/SINC1 Filter Option
- 2 Differential Inputs
- Current: 4.0mA
- Specified Temperature Range: -40℃ to 125℃
- Package: 20-ld TSSOP
- Power Supply
| AVDD： | |
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| DVDD： | 2.7V to 5.25V |
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Applications
- Weight Scales and Strain Gauges
- Flow/Pressure Measurement
- Temperature Measurement
- Industrial Process Control
- Medical Instrumentation
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