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參數(shù)資料
| 型號(hào)： | AD7276BRM |
| 廠(chǎng)商： | ANALOG DEVICES INC |
| 元件分類(lèi)： | ADC |
| 英文描述： | 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 255K |
| 代理商： | AD7276BRM |
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REV. PrF (
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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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.Trademarks
and registered tradermarks are the property of their respective companies.
One Technology Way, PO. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 200
4
3MSPS,12-/10-/8-Bit
ADCs in 6-Lead TSOT
AD7276/AD7277/AD7278
Preliminary Technical Data
PRELIMINARY TECHNICAL DATA
FUNCTIONAL BLOCK DIAGRAM
FEATURES
Fast Throughput Rate: 3MSPS
Specified for V
DD
of 2.35 V to 3.6V
Low Power:
13.5 mW max at 3MSPS with 3V Supplies
TBD mW typ at 1.5MSPS with 3V Supplies
Wide Input Bandwidth:
70dB SNR at 1MHz Input Frequency
Flexible Power/Serial Clock Speed Management
No Pipeline Delays
High Speed Serial Interface
SPI
TM
/QSPI
TM
/MICROWIRE
TM
/DSP Compatible
Power Down Mode: 1μA max
6-Lead TSOT Package
8-lead MSOP Package
AD7476 and AD7476A pin compatible
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
The AD7276/AD7277/AD7278 are 12-bit, 10-bit and 8-
bit, high speed, low power, successive-approximation
ADCs respectively. The parts operate from a single 2.35V
to 3.6 V power supply and feature throughput rates up to 3
MSPS. The parts contain a low-noise, wide bandwidth
track/hold amplifier which can handle input frequencies in
excess of TBD MHz.
The conversion process and data acquisition are controlled
using
and the serial clock, allowing the devices to
interface with microprocessors or DSPs. The input signal
is sampled on the falling edge of
also initiated at this point. There are no pipeline delays
associated with the part.
The AD7276/AD7277/AD7278 use advanced design
techniques to achieve very low power dissipation at high
throughput rates.
The reference for the part is taken internally from V
DD.
This allows the widest dynamic input range to the ADC.
Thus the analog input range for the part is 0 to V
DD
. The
conversion rate is determined by the SCLK.
PRODUCT HIGHLIGHTS
1. 3MSPS ADCs in a 6-lead TSOT package.
2. AD7476/77/78 and AD7476A/77A/78A pin compatible.
3. High Throughput with Low Power Consumption.
4. 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 part also
features a power-down mode
to maximize power effi-
ciency at lower throughput rates. Current consumption is
1
μ
A max when in Power-Down mode.
5. Reference derived from the power supply.
6. No Pipeline Delay.
The parts feature a standard successive-approximation
ADC with accurate control of the sampling instant via a
input and once-off conversion control.
and the conversion is
T/H
8-/10-/12-BIT
SUCCESSIVE
APPROXIMATION
ADC
CONTROL
LOGIC
VDD
VIN
GND
SCLK
SDATA
&6
AD7276/AD7277/AD7278
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7276BUJ-REEL | 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
| AD7277 | 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
| AD7277BRM | 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
| AD7277BUJ-REEL | 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
| AD7278 | 3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
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|---|---|
| AD7276BRM-U2 | 制造商:Analog Devices 功能描述:ADC SGL SAR 3MSPS 12-BIT SERL 8MSOP - Bulk |
| AD7276BRMZ | 功能描述:IC ADC 12BIT SRL 3MSPS 8MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類(lèi)型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁(yè)面:1156 (CN2011-ZH PDF) 其它名稱(chēng):497-5435-6 |
| AD7276BRMZ-REEL | 功能描述:IC ADC 12BIT 3MSPS HS LP 8MSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類(lèi)型:2 個(gè)單端，單極 |
| AD7276BUJ-REEL | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:3MSPS,12-/10-/8-Bit ADCs in 6-Lead TSOT |
| AD7276BUJZ | 制造商:Analog Devices 功能描述:IC,12-bit ADC,AD7276BUJZ |
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