我买了个EVAL-ADXRS 649模块，将Eval-ADXRS 649模块的第8、12脚(Agnd、PGND)连接到电源地，将第1、7、13(AVcc、V比值、VDD)连接到+5V电源，(5V线性电源为：LP 2985噪声30 uV)，使用示波器读取第2脚(RATEOUT)上电压数据。(测试温度在常温25度附近)
问题:示波器读取的电压数据峰峰值为60 mv，远远超过数据手册上噪声性能中速率噪声密度0.25°/秒/√Hz，请问下是什么原因？有什么解决办法吗？
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