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ADS1259BIPW  模数转换器 IC ADC 24BIT 14KSPS LN 20TSSOP
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单价
35.00  / PCS
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 无需物流 (线下配送)
数量
 PCS
金额
合计 ¥35.00
 
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数据转换器
产品详情
型号ADS1259BIPW
封装20-TSSOP
品牌Texas Instruments
描述模数转换器 IC ADC 24BIT 14KSPS LN 20TSSOP
 规格书点击查看

Texas Instruments ADS1259BIPW

The ADS1259 is a high-linearity, low-drift, 24-bit, analog-to-digital converter (ADC) designed for the needs of industrial process control, precision instrumentation, and other exacting applications. Combined with a signal amplifier (such as the PGA280), a high-resolution, high-accuracy measurement system is formed that is capable of digitizing a wide range of signals.

The converter uses a fourth-order, inherently stable, delta-sigma (ΔΣ) modulator that provides outstanding noise and linearity performance. The data rates are programmable up to 14kSPS including 10SPS, 50SPS, and 60SPS that provide excellent normal mode line-cycle rejection. The digital filter can be programmed for a fast settling mode where the conversions settle in a single cycle, or programmed for a high line-cycle rejection mode. A fast responding input over-range detector flags the conversion data if an input over-range should occur.

The ADS1259 also provides an integrated low-noise, very low drift 2.5V reference. The on-chip oscillator, an external crystal, or an external clock can by used as the ADC clock source.

Data and control communication are handled over a 4MHz, SPI-compatible interface capable of operating with a minimum of three wires. Data integrity is augmented by data bytes checksum and redundant data read capability. Conversions are synchronized either by command or by pin.

Dissipating only 13mW in operation, the ADS1259 can be powered down, dissipating less than 25µW. The ADS1259 is offered in a TSSOP-20 package and is fully specified from –40°C to +105°C.

德克萨斯仪器ads1259bipw
是的ads1259高线性、低漂移、24位模数转换器(ADC)用于工业过程控制、精密仪器仪表的需求,和其他苛刻的应用。结合信号放大器(如pga280)、高分辨率、高精度的测量系统,能够形成数字化的宽范围的信号。
该转换器采用了四阶,内在稳定的Δ-∑(ΔΣ)调制器,提供卓越的噪声和线性性能。数据速率是可编程到14ksps包括10sps,50sps,和60sps提供优良的正常模式循环的排斥。数字滤波器可以被编程成一个快速的转换模式,转换在一个周期内完成,或者为一个高循环抑制模式编程。一个快速响应范围检测器的输入标志着转换数据如果输入超出范围应该发生。
的ads1259还提供了一个集成的低噪声、低漂移的2.5V参考。片上振荡器,外部晶体,或外部时钟可以用作ADC的时钟源。
数据和控制通信的处理在4MHz,SPI兼容接口能够以最小的三线操作。数据完整性由数据字节校验和冗余数据读取能力增强。转换通过命令或PIN进行同步。
在运行功耗仅为13mw,的ads1259可以断电,功耗小于25 Wµads1259在型TSSOP - 20包所提供的和是完全指定–40°C + 105°C.
¥ 35.00 (RMB)/PCS
 
 
 

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