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| 型号： | AD7476ABRMZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/29页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1MSPS 8-MSOP |
| 设计资源： | Output Channel Monitoring Using AD5380 (CN0008) AD5382 Channel Monitor Function (CN0012) AD5381 Channel Monitor Function (CN0013) AD5383 Channel Monitor Function (CN0015) AD5390/91/92 Channel Monitor Function (CN0030) Power off protected data acquisition signal chain using ADG4612 , AD711, and AD7476 (CN0165) |
| 标准包装： | 50 |
| 位数： | 12 |
| 采样率（每秒）： | 1M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 17.5mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 管件 |
| 输入数目和类型： | 1 个单端，单极 |
| 产品目录页面： | 777 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7476ACBZ-ND - BOARD EVALUATION FOR AD7476A |
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2.35 V to 5.25 V, 1 MSPS,
12-/10-/8-Bit ADCs in 6-Lead SC70
AD7476A/AD7477A/AD7478A
Rev. F
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2002–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Fast throughput rate: 1 MSPS
Specified for VDD of 2.35 V to 5.25 V
Low power
3.6 mW at 1 MSPS with 3 V supplies
12.5 mW at 1 MSPS with 5 V supplies
Wide input bandwidth
71 dB SNR at 100 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface
SPI/QSPI/MICROWIRE/DSP compatible
Standby mode: 1 μA maximum
6-lead SC70 package
8-lead MSOP package
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
FUNCTIONAL BLOCK DIAGRAM
12-/10-/8-BIT
SUCCESSIVE-
APPROXIMATION
ADC
CONTROL
LOGIC
AD7476A/AD7477A/AD7478A
GND
VDD
VIN
SCLK
SDATA
CS
T/H
02930-001
Figure 1.
GENERAL DESCRIPTION
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
data acquisition are controlled using CS and the serial clock,
allowing the devices to interface with microprocessors or DSPs.
The input signal is sampled on the falling edge of CS, 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.
PRODUCT HIGHLIGHTS
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.
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
instant via a CS input and once-off conversion control.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7476ABRMZ | 制造商:Analog Devices 功能描述:IC 12BIT ADC SMD 7476 MSOP8 |
| AD7476ABRMZ-REEL | 功能描述:IC ADC 12BIT 1MSPS 8-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7476ABRMZ-REEL7 | 功能描述:IC ADC 12BIT 1MSPS 8-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:16 采样率（每秒）:45k 数据接口:串行 转换器数目:2 功率耗散（最大）:315mW 电压电源:模拟和数字 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) 输入数目和类型:2 个单端，单极 |
| AD7476A-DBRD | 制造商:Analog Devices 功能描述:2.35 V TO 5.25 V, 1 MSPS, 12-/10-/8-BIT ADCS IN 6-LEAD SC70 |
| AD7476ART | 制造商:AD 制造商全称:Analog Devices 功能描述:1 MSPS, 12-/10-/8-Bit ADCs in 6-Lead SOT-23 |
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