ADS8405 16 位 1.25MSPS 单极输入微功耗采样 ADC

The ADS8405 is a 16-bit, 1.25-MHz A/D converter with an internal 4.096-V reference. The device includes a 16-bit capacitor-based SAR A/D converter with inherent sample and hold. The ADS8405 offers a full 16-bit interface and an 8-bit option where data is read using two 8-bit read cycles if necessary.

The ADS8405 has a unipolar pseudo-differential input. It is available in a 48-lead TQFP package and is characterized over the industrial –40°C to 85°C temperature range.


 ADS8401  ADS8402  ADS8405  ADS8405  ADS84011 ADS8412
Resolution(Bits) 16 16 16 16 16 16
Sample Rate (max) 1.25MSPS 1.25MSPS 1.25MSPS 1.25MSPS 2MSPS 2MSPS
Architecture SAR SAR SAR SAR SAR SAR
Power Consumption(Typ)(mW) 155 155 155 155 155 155
SINAD(dB) 85 88 91 88 87 90
SNR(dB) 86 90 91 90 86 90
SFDR(dB) 100 100 119 100 100 100
DNL(Max)(+/-LSB) 2/-1 2 1.5/-1 1.25/-1 2/-1 2/-1
INL(Max)(+/-LSB) 3.5 3.5 2 2 2.5 2.5
No Missing Codes(Bits) 16 16 16 16 16 16
ENOB(Bits)   14.33        
No. of Supplies 2 2 2 2 2 2
Analog Voltage AV/DD(Min)(V) 4.75 4.75 4.75 4.75 4.75 4.75
Analog Voltage AV/DD(Max)(V) 5.25 5.25 5.25 5.25 5.25 5.25
Logic Voltage DV/DD(Min)(V) 2.95 2.95 2.7 2.7 2.7 2.7
Logic Voltage DV/DD(Max)(V) 5.25 5.25 5.25 5.25 5.25 5.25
Input Configuration Range +4.2V(Vref) +/-Vref +4.2V(Vref) +/-Vref (4.2V) +4.2V (Vref) +/-Vref (4.2V)
Reference Mode Int Int Int and Ext Int and Ext Int and Ext Int
Rating Catalog Catalog Catalog Catalog Catalog Catalog
Pin/Package 48TQFP 48TQFP 48TQFP 48TQFP 48TQFP 48TQFP
Comments   Full Differential Input   Full Differential Input    
# Input Channels 1 1 1 1 1 1
Operating Temp Range(Celsius) -40 to 85 -40 to 85 -40 to 85 -40 to 85 -40 to 85 -40 to 85
ADS8405 特性
ADS8405 芯片订购指南
器件 状态 温度(oC) 价格(美元) 封装 | 引脚
ADS8405IBPFBR ACTIVE -40 to 85 27.05 | 1ku TQFP (PFB) | 48
ADS8405IBPFBRG4 ACTIVE -40 to 85 27.05 | 1ku TQFP (PFB) | 48
ADS8405IBPFBT ACTIVE -40 to 85 28.05 | 1ku TQFP (PFB) | 48
ADS8405IBPFBTG4 ACTIVE -40 to 85 28.05 | 1ku TQFP (PFB) | 48
ADS8405IPFBR ACTIVE -40 to 85 17.65 | 1ku TQFP (PFB) | 48
ADS8405IPFBRG4 ACTIVE -40 to 85 17.65 | 1ku TQFP (PFB) | 48
ADS8405IPFBT ACTIVE -40 to 85 18.65 | 1ku TQFP (PFB) | 48
ADS8405IPFBTG4 ACTIVE -40 to 85 18.65 | 1ku TQFP (PFB) | 48
ADS8405 应用技术支持与电子电路设计开发资源下载
  1. ADS8405 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器仪ADC 模数转换器产品选型与价格 . xls