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AD7605-4BSTZ-RL

更新时间： 2024-11-20 01:22:39
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4-Channel DAS with 16-Bit, Bipolar Input, Simultaneous Sampling ADC

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AD7605-4BSTZ-RL 数据手册

 浏览型号AD7605-4BSTZ-RL的Datasheet PDF文件第2页浏览型号AD7605-4BSTZ-RL的Datasheet PDF文件第3页浏览型号AD7605-4BSTZ-RL的Datasheet PDF文件第4页浏览型号AD7605-4BSTZ-RL的Datasheet PDF文件第5页浏览型号AD7605-4BSTZ-RL的Datasheet PDF文件第6页浏览型号AD7605-4BSTZ-RL的Datasheet PDF文件第7页 
4-Channel DAS with 16-Bit, Bipolar Input,  
Simultaneous Sampling ADC  
AD7605-4  
Data Sheet  
FEATURES  
GENERAL DESCRIPTION  
4 simultaneously sampled inputs  
The AD7605-41 is a 4-channel, 16-bit, simultaneous sampling,  
True bipolar analog input ranges: ±10 V (maximum),  
±± V (maximum)  
Single ± V analog supply and 2.± V to ± V VDRIVE (nominal)  
Fully integrated data acquisition solution  
Analog input clamp protection  
Input buffer with 1 MΩ analog input impedance  
Second-order antialiasing analog filter  
On-chip accurate reference and reference buffer  
16-bit ADC with 300 kSPS on all channels  
Flexible parallel/serial interface  
Serial peripheral interface (SPI)/QSPI/MICROWIRE/DSP  
compatible  
Performance  
7 kV ESD rating on analog input pins  
Standby mode: 2± mW (typical)  
analog-to-digital data acquisition system (DAS). The device  
contains analog input clamp protection, a second-order antialias-  
ing filter, a track-and-hold amplifier, a 16-bit charge redistribution  
successive approximation analog-to-digital converter (ADC), a  
2.5 V reference and reference buffer, and high speed serial and  
parallel interfaces.  
The AD7605-4 operates from a single 5 V supply and can  
accommodate 10 V and 5 V true bipolar input signals while  
sampling at throughput rates of up to 300 kSPS for all channels.  
The input clamp protection circuitry can tolerate voltages up to  
16.5 V. The AD7605-4 has 1 MΩ analog input impedance,  
regardless of sampling frequency. The single-supply operation,  
on-chip filtering, and high input impedance eliminate the need  
for driver op amps and external bipolar supplies.  
The AD7605-4 is SPI, QSPI™, MICROWIRE™, and digital signal  
processor (DSP) compatible.  
64-lead LQFP package  
APPLICATIONS  
Table 1. High Resolution, Bipolar Input, Simultaneous  
Sampling DAS Solutions  
Power line monitoring and protection systems  
Multiphase motor control  
Instrumentation and control systems  
Multiaxis positioning systems  
Resolution Single-Ended True Differential No. of Simultaneous  
(Bits)  
Inputs  
Inputs  
Sampling Channels  
18  
AD7608  
AD7606  
AD7606-6  
AD7606-4  
AD7605-4  
AD7607  
AD7609  
8
8
6
4
4
8
Data acquisition systems (DAS)  
16  
14  
FUNCTIONAL BLOCK DIAGRAM  
REGCAP REGCAP REFCAPB REFCAPA  
AV  
AV  
CC  
CC  
R
1MΩ  
FB  
2.5V  
LDO  
2.5V  
LDO  
V1  
CLAMP  
CLAMP  
T/H  
SECOND-  
V1GND  
ORDER LPF  
R
R
FB  
1MΩ  
1MΩ  
FB  
REFIN/REFOUT  
V2  
CLAMP  
CLAMP  
T/H  
T/H  
T/H  
SECOND-  
ORDER LPF  
V2GND  
R
R
FB  
1MΩ  
1MΩ  
REF SELECT  
AGND  
2.5V  
REF  
4:1  
MUX  
FB  
V3  
CLAMP  
CLAMP  
DB7/D  
A
B
OUT  
SECOND-  
ORDER LPF  
SERIAL  
V3GND  
R
R
DB8/D  
FB  
1MΩ  
1MΩ  
OUT  
PARALLEL/  
SERIAL  
INTERFACE  
RD/SCLK  
CS  
16-BIT  
SAR  
FB  
V4  
CLAMP  
CLAMP  
SECOND-  
ORDER LPF  
V4GND  
R
FB  
1MΩ  
PAR/SER/BYTE SEL  
V
DRIVE  
PARALLEL  
DB0 TO DB15/BYTESEL  
CLK OSC  
AD7605-4  
BUSY  
CONTROL  
INPUTS  
FRSTDATA  
AGND  
CONVST A CONVST B RESET RANGE  
Figure 1.  
1 Protected by U.S. Patent No. 8,072,360 B2.  
Rev. 0  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Technical Support  
©2016 Analog Devices, Inc. All rights reserved.  
www.analog.com  
 
 
 
 
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AD7605-4BSTZ-RL 替代型号

型号 品牌 替代类型 描述 数据表
AD7605-4BSTZ ADI

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 4-Channel DAS with 16-Bit, Bipolar Input, Simultaneous Sampling ADC

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