AD7992: 双通道，12位ADC，带I2C兼容接口，采用10引脚MSOP封装
AD7992是一款12位、高速、低功耗、逐次逼近型ADC。这款器件采用2.7 V 至 5.5 V单电源供电，转换时间为2 us。器件内置双通道多路复用器与跟踪/保持放大器。AD7992提供双线串行接口，与I2C接口兼容。这款器件提供AD7992-0与AD7992-1两个版本，每个版本均支持两个不同I2C地址的最小化。AD7992-0支持标准与快速I2C接口模式，而AD7992-1则支持标准、快速，以及两个高速I2C接口模式。
AD7992 特性
- 12位ADC具有快速转换时间：2 us
- 两个单端模拟输入通道
- 额定电压(VDD)：2.7 V 至 5.5 V
- 低功耗
- 快速吞吐率：188 kSPS
- 时序控制器操作
- 自动循环模式
- I2C(R) 兼容串行接口
- I2C(R) 接口支持：标准、快速，以及高速模式
- 超出范围指示
- 通过AS进行引脚选择寻址
- 自动关断模式：最大-1 uA
AD7992 技术指标
- Resolution (Bits): 12bit
- # Chan: 2
- Sample Rate: 79kSPS
- Interface: I^2C/Ser 2-Wire,Ser
- Analog Input Type: SE-Uni
- Ain Range: Uni (Vref),Uni Vdd
- ADC Architecture: SAR
- Pkg Type: SOP
AD7992 建议配套产品
- Recommended Input Buffer Amplifiers for the AD7992
- For low distortion, low noise, dual supplies, we recommend the AD8599.
- For precision, low noise, single supply, we recommend the AD8605 family of operational amplifiers.
- For single supply, high speed, low power, we suggest the AD8031 or the dual AD8032.
- For precision, high speed, low cost, we recommend the quad AD8604.
- Recommended External References - 2.5V for the AD7992
- For applications requiring best accuracy, low noise, low drift, we recommend the ADR421 or AD780.
- For low noise, high output current applications, we recommend the ADR431.
- For wide supply applications, we recommend the ADR03 or AD780.
- For cost sensitive applications, we suggest the AD1582, ADR381 or ADR391.
- For the reference buffer amplifier, we recommend the AD8605.
- For applications requiring 2.048V to 4.096V, we recommend the REF191 reference family.
- Recommended Digital Isolators for the AD7992
- Recommended Power Solutions
- For selecting voltage regulator products, use ADIsimPower.
- For selecting supervisor products, use the Supervisor Parametric Search.
AD7992功能框图
AD7992 芯片订购指南
| 产品型号 | 产品状态 | 封装 | Pins | 温度范围 | ROHS Compilant |
|---|---|---|---|---|---|
| AD7992BRM-0 | Prodn | 10 ld MSOP | 10 | Ind | N Material Declaration |
| AD7992BRM-0REEL | Prodn | 10 ld MSOP | 10 | Ind | N Material Declaration |
| AD7992BRM-1 | Prodn | 10 ld MSOP | 10 | Ind | N Material Declaration |
| AD7992BRM-1REEL | Prodn | 10 ld MSOP | 10 | Ind | N Material Declaration |
| AD7992BRMZ-0 | Prodn | 10 ld MSOP | 10 | Ind | Y Material Declaration |
| AD7992BRMZ-0REEL | Prodn | 10 ld MSOP | 10 | Ind | Y Material Declaration |
| AD7992BRMZ-1 | Prodn | 10 ld MSOP | 10 | Ind | Y Material Declaration |
| AD7992BRMZ-1REEL | Prodn | 10 ld MSOP | 10 | Ind | Y Material Declaration |