Datasheet > AD4858

AD4858

更新时间： 2023-12-20 18:45:59

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
70页	3031K
描述
Buffered 8-Channel Simultaneous Sampling 20-Bit 1 MSPS Data Acquisition System

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AD4858 数据手册

Data Sheet

AD4858

Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

► Rail-to-rail input overdrive tolerance

► High performance

► INL: ±160 μV typical (±40 V range)

► SNR: 97.2 dB single-conversion typical (±40 V range)

► DR: 111.4 dB single-conversion typical (±40 V range)

► THD: −117 dB typical (±40 V range)

► CMRR: 120 dB typical

► Digital flexibility

► SPI CMOS (0.9 V to 5.25 V) and LVDS serial input and output

► Optional oversampling with 24-bit digital averaging

► Optional offset, gain and phase correction

► 7.00 mm × 7.00 mm, 64-ball BGA full solution footprint

FEATURES

► Complete 20-bit data acquisition system

► Simultaneous sampling of 8 internally buffered channels

► 1 MSPS per channel throughput

► Differential, wide common-mode range inputs

► ±75 pA typical input leakage at 25°C

► Full-scale input step settling time < 300 ns

► Integrated reference and reference buffer (4.096 V)

► Integrated supply decoupling capacitors

► 45 mW per channel at 1 MSPS, power scales with throughput

► Minimal external signal conditioning

► Seamless high dynamic range

► Per sample, per channel automatic gain ranging

► Maintains ppm-level INL

► Per channel SoftSpan input ranges, bipolar or unipolar

► ±40 V, ±25 V, ±20 V, ±12.5 V, ±10 V, ±6.25 V, ±5 V, ±2.5 V

► 0 V to 40 V, 25 V, 20 V, 12.5 V, 10 V, 6.25 V, 5 V, 2.5 V

APPLICATIONS

► Automatic test equipment

► Avionics and aerospace

► Instrumentation and control systems

► Semiconductor manufacturing

► Test and measurement

FUNCTIONAL BLOCK DIAGRAM

Figure 1. Functional Block Diagram (Example Analog-Input Signal Use Cases Shown)

Rev. 0

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