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AD7654ASTZRL

更新时间： 2024-11-06 19:50:47
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亚德诺 - ADI 转换器
页数 文件大小 规格书
28页 468K
描述
Dual, 2-Channel, Simultaneous Sampling, PulSAR®, 500 kSPS, 16-Bit ADC

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AD7654ASTZRL 数据手册

 浏览型号AD7654ASTZRL的Datasheet PDF文件第2页浏览型号AD7654ASTZRL的Datasheet PDF文件第3页浏览型号AD7654ASTZRL的Datasheet PDF文件第4页浏览型号AD7654ASTZRL的Datasheet PDF文件第5页浏览型号AD7654ASTZRL的Datasheet PDF文件第6页浏览型号AD7654ASTZRL的Datasheet PDF文件第7页 
16-Bit, 500 kSPS PulSAR Dual,  
2-Channel, Simultaneous Sampling ADC  
Data Sheet  
AD7654  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
AVDD AGND  
REFGND REFx  
DVDD DGND  
Dual, 16-bit, 2-channel simultaneous sampling ADC  
16-bit resolution with no missing codes  
Throughput:  
500 kSPS (normal mode)  
444 kSPS (impulse mode)  
INL: 3.5 LSB max ( 0.0053% of full scale)  
SNR: 89 dB typ at 100 kHz  
THD: −100 dB at +100 kHz  
Analog input voltage range: 0 V to 5 V  
No pipeline delay  
Parallel and serial 5 V/3 V interface  
SPI®/QSPI™/MICROWIRE™/DSP compatible  
Single 5 V supply operation  
Power dissipation:  
TRACK/HOLD  
×2  
OVDD  
OGND  
D[15:0]  
INA1  
INAN  
INA2  
A0  
SERIAL  
PORT  
MUX  
MUX  
16  
SWITCHED  
CAP DAC  
MUX  
SER/PAR  
EOC  
INB1  
INBN  
INB2  
PD  
BUSY  
CS  
CLOCK  
PARALLEL  
INTERFACE  
CONTROL LOGIC AND  
CALIBRATION CIRCUITRY  
RD  
RESET  
A/B  
AD7654  
BYTESWAP  
IMPULSE  
CNVST  
Figure 1.  
Table 1. PulSAR® Selection  
Type/kSPS  
120 mW typical  
2.6 mW at 10 kSPS  
Packages:  
100 to 250 500 to 570 800 to 1000 >1000  
Pseudo Differential  
AD7660/  
AD7661  
AD7650/  
AD7652  
AD7653  
48-lead low profile quad flat package (LQFP)  
48-lead lead frame chip scale package (LFCSP)  
Low cost  
AD7664/  
AD7666  
AD7667  
True Bipolar  
AD7663  
AD7675  
AD7665  
AD7676  
AD7671  
AD7677  
True Differential  
AD7621  
AD7623  
AD7641  
APPLICATIONS  
AC motor control  
18-Bit  
AD7678  
AD7679  
AD7654  
AD7674  
AD7655  
Multichannel/  
Simultaneous  
3-phase power control  
4-channel data acquisition  
Uninterrupted power supplies  
Communications  
PRODUCT HIGHLIGHTS  
GENERAL DESCRIPTION  
1. Simultaneous Sampling.  
The AD7654 is a low cost, simultaneous sampling, dual-channel,  
16-bit, charge redistribution SAR, analog-to-digital converter  
that operates from a single 5 V power supply. It contains two  
low noise, wide bandwidth, track-and-hold amplifiers that allow  
simultaneous sampling, a high speed 16-bit sampling ADC, an  
internal conversion clock, error correction circuits, and both  
serial and parallel system interface ports. Each track-and-hold  
has a multiplexer in front to provide a 4-channel input ADC.  
The A0 multiplexer control input allows the choice of  
simultaneously sampling input pairs INA1/INB1 (A0 = low) or  
INA2/INB2 (A0 = high). The part features a very high sampling  
rate mode (normal) and, for low power applications, a reduced  
power mode (impulse) where the power is scaled with the  
throughput. Operation is specified from −40°C to +85°C.  
The AD7654 features two sample-and-hold circuits that  
allow simultaneous sampling. It provides inputs for four  
channels.  
2. Fast Throughput.  
The AD7654 is a 500 kSPS, charge redistribution, 16-bit  
SAR ADC with internal error correction circuitry.  
3. Superior INL and No Missing Codes.  
The AD7654 has a maximum integral nonlinearity of  
3.5 LSB with no missing 16-bit codes.  
4. Single-Supply Operation.  
The AD7654 operates from a single 5 V supply. In impulse  
mode, its power dissipation decreases with throughput.  
5. Serial or Parallel Interface.  
Versatile parallel or 2-wire serial interface arrangement is  
compatible with both 3 V and 5 V logic.  
Rev. D  
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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2002–2015 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 
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AD7654ASTZRL 替代型号

型号 品牌 替代类型 描述 数据表
AD7655AST ADI

完全替代

 Low Cost 4-Channel 1 MSPS 16-Bit ADC
AD7654AST ADI

完全替代

 Dual 2-Channel Simultaneous Sampling SAR 500 kSPS 16-Bit ADC
AD7655ASTZ ADI

类似代替

 Low Cost, 4-Channel, 16-Bit 1 MSPS PulSAR® A

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