AD974: 4通道、16位、200 kSPS数据采集系统
AD974是一款4通道、200 ksps、低功耗、16位模数转换器(ADC)，采用5 V单电源供电。它内置一个四通道输入多路复用器、一个逐次逼近型开关电容ADC、一个2.5 V内部基准电压源和一个高速串行接口。其最大功耗为120 mW，并提供节电模式。该ADC经过工厂校准，所有线性误差均被降至最小。AD974支持±10 V、0 V至5 V和0 V至4 V的额定满量程双极性输入范围。信噪比(SNR)和总谐波失真(THD)等交流参数，以及失调、增益和线性度等一般直流参数均经过全面测试。AD974提供超小型28引脚DIP、SOIC和SSOP三种封装。
The AD974 is a 4-channel, 200 ksps, low power 16-bit A/D converter that operates from a single 5 V supply. It contains a four-channel input multiplexer, a successive-approximation switched-capacitor ADC, an internal 2.5 V reference, and a high-speed serial interface. The AD974 dissipates a maximum of 120 mW, and has a powerdown mode. The ADC is factory calibrated to minimize all linearity errors. The AD974 is specified for full-scale bipolar input ranges of ±10 V, 0 V to 5 V and 0 V to 4 V.The AD974 is comprehensively tested for ac parameters such as SNR and THD, as well as the more traditional dc parameters of offset, gain and linearity.The AD974 is available in skinny 28-pin DIP, SOIC, and SSOP packages.
AD974 特点
- 快速16位ADC，吞吐量为200 kSPS
- 4个单端模拟输入通道
- +5 V单电源供电
- 输入范围： 0 V至+4 V、0 V至+5 V和±10 V
- 最大功耗：120 mW
- 节电模式：50 uW
- 可选择外部或内部2.5 V基准电压源
- 片内时钟
- 节电模式
- Fast 16-Bit ADC with 200 kSPS Throughput
- Four Single-Ended Analog Input Channels
- Single +5 V Supply Operation
- Input Ranges: 0 V to +4 V, 0 V to +5 V and 610 V
- 120 mW Max Power Dissipation
- Power-Down Mode 50 uW
- Choice of External or Internal 2.5 V Reference
- On-Chip Clock
- Power-Down Mode
AD974 技术指标
- Resolution (Bits): 16bit
- # Chan: 4
- Sample Rate: 200kSPS
- Interface: Ser,SPI
- Analog Input Type: SE-Bip,SE-Uni
- Ain Range: Bip 10V,Uni 4.0V,Uni 5.0V
- ADC Architecture: SAR
- Pkg Type: DIP,SOIC,SOP
AD974 功能框图
AD974 芯片订购指南
| 产品型号 | 产品状态 | 封装 | 引脚 | 温度范围 |
|---|---|---|---|---|
| AD974AN | Prodn | 28 ld PDIP (300mil) | 28 | 工业 |
| AD974ANZ | Prodn | 28 ld PDIP (300mil) | 28 | 工业 |
| AD974AR | Prodn | 28 ld SOIC - Wide | 28 | 工业 |
| AD974ARS | Prodn | 28 ld SSOP | 28 | 工业 |
| AD974ARSZ | Prodn | 28 ld SSOP | 28 | 工业 |
| AD974ARZ | Prodn | 28 ld SOIC - Wide | 28 | 工业 |
| AD974BN | Prodn | 28 ld PDIP (300mil) | 28 | 工业 |
| AD974BNZ | Prodn | 28 ld PDIP (300mil) | 28 | 工业 |
| AD974BR | Prodn | 28 ld SOIC - Wide | 28 | 工业 |
| AD974BRS | Prodn | 28 ld SSOP | 28 | 工业 |
| AD974BRS-RL7 | Prodn | 28 ld SSOP | 28 | 工业 |
| AD974BRSZ | Prodn | 28 ld SSOP | 28 | 工业 |
| AD974BRZ | Prodn | 28 ld SOIC - Wide | 28 | 工业 |
| EVAL-AD974CB | Prodn | Evaluation Boards | - | 工业 |
AD974 应用技术支持与电子电路设计开发资源下载
- AD974 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