AD7651:16位、100 kSPS、内置基准电压源的PulSAR(R)单极性ADC

AD7651是一款16位、100 kSPS、电荷再分配SAR型模数转换器（ADC）,采用5 V单电源供电。该器件内置一个16位高速采样ADC、一个内部转换时钟、一个内部基准电压源、纠错电路,以及串行和并行系统接口端口。该器件采用ADI公司的0.6微米高性能CMOS工艺制造,成本很低；提供48引脚LQFP或微型48引脚LFCSP两种封装；工作温度范围为-40°C至+85°C。

The AD7651 is a 16-bit, 100 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains a high-speed 16-bit sampling ADC, an internal conversion clock, internal reference, error correction circuits, and both serial and parallel system interface ports.It is fabricated using Analog Devices' high-performance, 0.6 micron CMOS process, with correspondingly low cost and is available in a 48-lead LQFP and a tiny 48-lead LFCSP with operation specified from -40°C to +85°C

AD7651 特点

2.5 V内部基准电压：典型漂移量为3 ppm/°C
吞吐量：100 kSPS
16位分辨率
模拟输入电压范围：0 V至2.5 V
无流水线延迟
并行和串行5 V/3 V接口
SPI(R)/QSPITM/MICROWIRETM/DSP 兼容
采用5 V单电源供电
功耗：无REF时的典型值为15 mW,25 uW @ 100 SPS;有REF时典型值为25 mW
省电模式：7uW（最大值）
封装：48引脚四方扁平封装（LQFP） ;48引脚芯片级封装（LFCSP）
与PulSARTM此系列ADC引脚兼容
2.5 V Internal Reference: Typical Drift 3 ppm/°C
Throughput: 100 kSPS
16-Bit Resolution
Analog Input Voltage Range: 0 V to 2.5 V
No Pipeline Delay
Parallel and Serial 5 V/3 V Interface
SPI(R)/QSPITM/MICROWIRETM/DSP Compatible
Single 5 V Supply Operation
Power Dissipation:15 mW Typ without REF, 25 uW @ 100 SPS ;25 mW Typ with REF
Power-Down Mode: 7 uW Max
Package:48-Lead Quad Flat Pack (LQFP) ;48-Lead Chip Scale Package (LFCSP)
Pin-to-Pin Compatible with PulSARTM ADCs

AD7651 技术指标

Resolution (Bits): 16bit
# Chan: 1
Sample Rate: 100kSPS
Interface: Par,Ser,SPI
Analog Input Type: Diff-Uni
Ain Range: Uni (Vref),Uni 2.5V
ADC Architecture: SAR
Pkg Type: CSP,QFP

AD7651 功能框图

AD7651 芯片订购指南

产品型号	产品状态	封装	引脚	温度范围
AD7651ACP	Prodn	48 ld LFCSP 7x7mm (5.25EP)	48	工业
AD7651ACPZ	Prodn	48 ld LFCSP 7x7mm (5.25EP)	48	工业
AD7651ACPZRL	Prodn	48 ld LFCSP 7x7mm (5.25EP)	48	工业
AD7651AST	Prodn	48 ld LQFP	48	工业
AD7651ASTZ	Prodn	48 ld LQFP	48	工业
AD7651ASTZRL	Prodn	48 ld LQFP	48	工业
EVAL-AD7651CB	Prodn	Evaluation Boards	-	工业
EVAL-AD7651CBZ	量产	EVALUATION BOARDS	-	工业