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| 型號： | AD7466BRM |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | MO-187-AA, MSOP-8 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大?。?/td> | 959K |
| 代理商： | AD7466BRM |
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1.6 V, Micropower
12-, 10-, and 8-Bit ADCs in 6-Lead SOT-23
AD7466/AD7467/AD7468
Rev. B
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
Fax: 781.461.3113
2005 Analog Devices, Inc. All rights reserved.
FEATURES
Specified for VDD of 1.6 V to 3.6 V
Low power:
0.62 mW typ at 100 kSPS with 3 V supplies
0.48 mW typ at 50 kSPS with 3.6 V supplies
0.12 mW typ at 100 kSPS with 1.6 V supplies
Fast throughput rate: 200 kSPS
Wide input bandwidth:
71 dB SNR at 30 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface:
SPI-/QSPI-/MICROWIRE-/DSP-compatible
Automatic power-down
Power-down mode: 8 nA typ
6-lead SOT-23 package
8-lead MSOP package
APPLICATIONS
Battery-powered systems
Medical instruments
Remote data acquisition
Isolated data acquisition
GENERAL DESCRIPTION
The AD7466/AD7467/AD74681 are 12-, 10-, and 8-bit, high
speed, low power, successive approximation analog-to-digital
converters (ADCs), respectively. The parts operate from a single
1.6 V to 3.6 V power supply and feature throughput rates up to
200 kSPS with low power dissipation. The parts contain a low
noise, wide bandwidth track-and-hold amplifier, which can
handle input frequencies in excess of 3 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 part.
The reference for the part is taken internally from VDD. This
allows 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.
1 Protected by U.S. Patent No. 6,681,332.
FUNCTIONAL BLOCK DIAGRAM
AD7466/AD7467/AD7468
12-/10-/8-BIT
SUCCESSIVE
APPROXIMATION
ADC
CONTROL
LOGIC
GND
VDD
VIN
SCLK
SDATA
T/H
02643-001
CS
Figure 1.
PRODUCT HIGHLIGHTS
1.
Specified for supply voltages of 1.6 V to 3.6 V.
2.
12-, 10-, and 8-bit ADCs in SOT-23 packages.
3.
High throughput rate with low power consumption.
Power consumption in normal mode of operation at
100 kSPS and 3 V is 0.9 mW maximum.
4.
Flexible power/serial clock speed management.
The conversion rate is determined by the serial clock,
allowing the conversion time to be reduced through
increases in the serial clock speed. Automatic power-down
after conversion allows the average power consumption to
be reduced when in power-down. Current consumption is
0.1 A maximum and 8 nA, typically when in power-down.
5.
Reference derived from the power supply.
6.
No pipeline delay.
7.
The part features a standard successive approximation
ADC with accurate control of conversions via a CS input.
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| AD7466BRT | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
| AD7467BRT | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
| AD7468BRT | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
| AD7466 | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
| AD7467 | 1.8 V, Micro-Power, 8/10/12-Bit ADCs in 6 Lead SOT-23 |
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| AD7466BRM-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 8-Pin MSOP T/R |
| AD7466BRM-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 200ksps 12-bit Serial 8-Pin MSOP T/R |
| AD7466BRMZ | 功能描述:IC ADC 12BIT 1.6V LP 8-MSOP RoHS:是 類別: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 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個(gè)單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7466BRMZ-REEL | 功能描述:IC ADC 12BIT 1.6V LP 8-MSOP RoHS:是 類別: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:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7466BRMZ-REEL7 | 功能描述:IC ADC 12BIT 1.6V LP 8-MSOP RoHS:是 類別: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:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
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