AD1555BPZ: 24-Bit, 121 dB typical SNR, Sigma-Delta A/D converter with Integrated PGA PLCC-28封装
The AD1555 is a complete sigma-delta modulator, combined with a programmable gain amplifier, intended for low frequency, high dynamic range measurement applications. The AD1555 outputs a ones-density bit stream proportional to the analog input. When used in conjunction with the AD1556 digital filter/decimator, the industry's highest performance ADC at a bandwidth of 1+ kHz is realized.
The continuous-time analog modulator input architecture avoids the need for an external anti-alias filter. The programmable gain front end simplifies system design, extends the dynamic range, and reduces system board area. Low operating power and standby modes makes the AD1555 ideal for remote battery-powered data acquisition systems.
AD1555BPZ 特点
- Fourth Order Σ-Δ Modulator
- Large Dynamic Range
- 116 dB Min, 120 dB Typical @ 1 ms
- 117 dB Typical @ 0.5 ms - Low Input Noise: 80 nV rms @ 4 ms with Gain of 34,128
- Low Distortion: –111 dB Max, –120 dB Typical
- Low Intermodulation: 122 dB
- Sampling Rate at 256 kSPS
- Very High Jitter Tolerance
- No External Antialias Filter Required
- Programmable Gain Front End
- Input Range: ±2.25 V
- Robust Inputs
- Gain Settings: 1, 2.5, 8.5, 34, 128
AD1555BPZ 功能框图
AD1555 芯片订购指南
| 产品型号 | 产品状态 | 封装 | 引脚 | 温度范围 |
|---|---|---|---|---|
| AD1555AP | 量产 | 28 ld PLCC | 28 | 工业 |
| AD1555APRL | 量产 | 28 ld PLCC | 28 | 工业 |
| AD1555APZ | 量产 | 28 ld PLCC | 28 | 工业 |
| AD1555APZRL | 量产 | 28 ld PLCC | 28 | 工业 |
| AD1555BP | 量产 | 28 ld PLCC | 28 | 工业 |
| AD1555BPZ | 量产 | 28 ld PLCC | 28 | 工业 |
| AD1555BPZRL | 量产 | 28 ld PLCC | 28 | 工业 |
AD1555BPZ 应用技术支持与电子电路设计开发资源下载
- AD1555 数据手册DataSheet下载 . pdf
- Analog Devices, Inc.ADI 美国模拟器件公司产品订购手册 .pdf
- ADC模数转换器选型指南 . pdf
