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AD7478AARMZ

更新时间： 2024-12-01 12:32:59
品牌 Logo 应用领域
亚德诺 - ADI 转换器模数转换器光电二极管PC
页数 文件大小 规格书
28页 438K
描述
2.35 V to 5.25 V, 1 MSPS 12-/10-/8-Bit ADCs in 6-Lead SC70

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AD7478AARMZ 数据手册

 浏览型号AD7478AARMZ的Datasheet PDF文件第2页浏览型号AD7478AARMZ的Datasheet PDF文件第3页浏览型号AD7478AARMZ的Datasheet PDF文件第4页浏览型号AD7478AARMZ的Datasheet PDF文件第5页浏览型号AD7478AARMZ的Datasheet PDF文件第6页浏览型号AD7478AARMZ的Datasheet PDF文件第7页 
2.35 V to 5.25 V, 1 MSPS,  
12-/10-/8-Bit ADCs in 6-Lead SC70  
AD7476A/AD7477A/AD7478A  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Fast throughput rate: 1 MSPS  
Specified for VDD of 2.35 V to 5.25 V  
Low power  
V
DD  
12-/10-/8-BIT  
3.6 mW at 1 MSPS with 3 V supplies  
12.5 mW at 1 MSPS with 5 V supplies  
Wide input bandwidth  
SUCCESSIVE-  
APPROXIMATION  
ADC  
V
T/H  
IN  
71 dB SNR at 100 kHz input frequency  
Flexible power/serial clock speed management  
No pipeline delays  
SCLK  
SDATA  
CS  
CONTROL  
LOGIC  
High speed serial interface  
SPI®/QSPI™/MICROWIRE™/DSP compatible  
Standby mode: 1 μA maximum  
6-lead SC70 package  
AD7476A/AD7477A/AD7478A  
GND  
8-lead MSOP package  
Figure 1.  
Qualified for automotive applications  
APPLICATIONS  
Battery-powered systems  
Personal digital assistants  
Medical instruments  
Mobile communications  
Instrumentation and control systems  
Data acquisition systems  
High speed modems  
Optical sensors  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The AD7476A/AD7477A/AD7478A are 12-bit, 10-bit, and 8-bit  
high speed, low power, successive-approximation analog-to-  
digital converters (ADCs), respectively. The parts operate from  
a single 2.35 V to 5.25 V power supply and feature throughput  
rates up to 1 MSPS. The parts contain a low noise, wide  
bandwidth track-and-hold amplifier that can handle input  
frequencies in excess of 13 MHz. The conversion process and  
1. First 12-/10-/8-bit ADCs in a SC70 package.  
2. High throughput with low power consumption.  
3. Flexible power/serial clock speed management. The  
conversion rate is determined by the serial clock, allowing  
the conversion time to be reduced through the serial clock  
speed increase. This allows the average power consumption  
to be reduced when a power-down mode is used while not  
converting. The parts also feature a power-down mode to  
maximize power efficiency at lower throughput rates.  
Current consumption is 1 μA maximum and 50 nA  
typically when in power-down mode.  
CS  
data acquisition are controlled using  
and the serial clock,  
allowing the devices to interface with microprocessors or DSPs.  
CS  
The input signal is sampled on the falling edge of , and the  
conversion is also initiated at this point. There are no pipeline  
delays associated with the parts. The AD7476A/AD7477A/  
AD7478A use advanced design techniques to achieve low power  
dissipation at high throughput rates. The reference for the part  
is taken internally from VDD to allow the widest dynamic input  
range to the ADC. Thus, the analog input range for the part is  
0 V to VDD. The conversion rate is determined by the SCLK.  
4. Reference derived from the power supply.  
5. No pipeline delay. The parts feature a standard successive  
approximation ADC with accurate control of the sampling  
CS  
instant via a  
input and once-off conversion control.  
Rev. F  
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 www.analog.com  
Fax: 781.461.3113 ©2002–2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 
 
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AD7478AARMZ 替代型号

型号 品牌 替代类型 描述 数据表
AD7478AARM-REEL7 ADI

完全替代

 2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70
AD7478AARM-REEL ADI

完全替代

 2.35 V to 5.25 V, 1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SC70

与AD7478AARMZ相关器件

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AD7478AARMZ-REEL ADI

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 		1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, ROHS COMPLIANT, MO-187AA, M
AD7478AARMZ-REEL7 ROCHESTER

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 		1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, ROHS COMPLIANT, MO-187AA, M
AD7478ART ADI

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 		1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23
AD7478ART-500RL7 ADI

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 		1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23
AD7478ART-500RL7 ROCHESTER

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 		1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, PLASTIC, MO-178AB, SOT-23,
AD7478ART-REEL ADI

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 		1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23
AD7478ART-REEL7 ADI

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 		1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23
AD7478ARTZ-500RL7 ADI

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 		8-Bit, 1 MSPS, Low Power Successive Approximation ADC Which Operates From A Single 2.35 V
AD7478ARTZ-500RL7 ROCHESTER

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 		1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, PLASTIC, MO-178AB, SOT-23,
AD7478ARTZ-500RL73 ADI

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 		1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23

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