JAMSC-120DDO34310
JAMSC-120DDO34310
JAMSC-120DDO34310
1.逐次逼近型
逐次逼近型ADC是应用非常广泛的模/数转换方法,它包括1个比较器、1个数模转换器、1个逐次逼近寄存器(SAR)和1个逻辑控制单元。它是将采样输入信号与已知电压不断进行比较,1个时钟周期完成1位转换,N位转换需要N个时钟周期,转换完成,输出二进制数。这一类型ADC的分辨率和采样速率是相互矛盾的,分辨率低时采样速率较高,要提高分辨率,采样速率就会受到限制。
优点:分辨率低于12位时,价格较低,采样速率可达1MSPS;与其它ADC相比,功耗相当低。
缺点:在高于14位分辨率情况下,价格较高;传感器产生的信号在进行模/数转换之前需要进行调理,包括增益级和滤波,这样会明显增加成本。
◆ 企业名称:厦门泰尼电气有限公司
◆ 主营业务:DCS,PLC
◆ 经营模式: 贸易
◆ 贸易地区:
◆ 联系人: 小黄《女士》
◆ 电话:
◆手机:
◆ QQ:2917675397
◆ 传真: (备注“01006”收)
◆ E-mail: 2917675397@qq.com
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