4.8千赫,超低噪声, 24位Σ -Δ型ADC, PGA和交流激励 4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA and AC Excitation
Product Details
The AD7195 is a low noise, complete analog front end for high precision measurement applications. It contains a low noise, 24-bit sigma-delta Σ-Δ analog-to-digital converter ADC. The on-chip low noise gain stage means that signals of small amplitude can be interfaced directly to the ADC. The AD7195 contains ac excitation, which is used to remove dc-induced offsets from bridge sensors.
The device can be configured to have two differential inputs or four pseudo differential inputs. The on-chip channel sequencer allows several channels to be enabled, and the AD7195 sequentially converts on each enabled channel. This simplifies communication with the part. The on-chip 4.92 MHz clock can be used as the clock source to the ADC or, alternatively, an external clock or crystal can be used. The output data rate from the part can be varied from 4.7 Hz to 4.8 kHz.
The device has two digital filter options. The choice of filter affects the rms noise/noise-free resolution at the programmed output data rate, the settling time, and the 50 Hz/60 Hz rejection. For applications that require all conversions to be settled, the AD7195 includes a zero latency feature.
The part operates with a 5 V analog power supply and a digital power supply from 2.7 V to 5.25 V. It consumes a current of 6 mA. It is housed in a 32-lead LFCSP package.
Applications
### Features and Benefits
电路数 1
通道数 1
位数 24
耗散功率 35.5 mW
功耗 35.5 mW
分辨率Bits 24.0
模数转换数ADC 1
工作温度Max 105 ℃
工作温度Min -40 ℃
输入通道数 2, 4
安装方式 Surface Mount
引脚数 32
封装 LFCSP-32
长度 5 mm
宽度 5 mm
高度 0.83 mm
封装 LFCSP-32
产品生命周期 Active
包装方式 Tape & Reel TR
制造应用 Clinical Monitoring, Healthcare, ECG Patient Monitoring, Life Sciences & Medical Instrumentation, Spectrometer
RoHS标准 RoHS Compliant
含铅标准 Lead Free
军工级 No
型号/品牌 | 代替类型 | 替代型号对比 |
---|---|---|
AD7195BCPZ-RL ADI 亚德诺 | 当前型号 | 当前型号 |
AD7195BCPZ-RL7 亚德诺 | 完全替代 | AD7195BCPZ-RL和AD7195BCPZ-RL7的区别 |
AD7195BCPZ 亚德诺 | 类似代替 | AD7195BCPZ-RL和AD7195BCPZ的区别 |