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參數資料
型號: AD7766BRUZ-RL7
廠商: Analog Devices Inc
文件頁數: 1/25頁
文件大小: 0K
描述: IC ADC 24BIT 128KSPS SAR 16TSSOP
標準包裝: 1,000
位數: 24
采樣率(每秒): 128k
數據接口: 串行
轉換器數目: 1
功率耗散(最大): 18mW
電壓電源: 模擬和數字
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 16-TSSOP
包裝: 帶卷 (TR)
輸入數目和類型: 1 個差分,單極
配用: EVAL-AD7766EDZ-ND - BOARD EVAL AD7766 128KSPS 108DB
EVAL-AD7766-2EDZ-ND - BOARD EVAL AD7766-2 32KSPS 114DB
EVAL-AD7766-1EDZ-ND - BOARD EVAL AD7766-1 64KSPS 111DB
24-Bit, 8.5 mW, 109 dB,
128 kSPS/64 kSPS/32 kSPS ADCs
AD7766
Rev. C
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
www.analog.com
Fax: 781.461.3113
2007–2010 Analog Devices, Inc. All rights reserved.
FEATURES
Oversampled successive approximation (SAR) architecture
High performance ac and dc accuracy, low power
115.5 dB dynamic range, 32 kSPS (AD7766-2)
112.5 dB dynamic range, 64 kSPS (AD7766-1)
109.5 dB dynamic range, 128 kSPS (AD7766)
112 dB THD
Exceptionally low power
8.5 mW, 32 kSPS (AD7766-2)
10.5 mW, 64 kSPS (AD7766-1)
15 mW, 128 kSPS (AD7766)
High dc accuracy
24 bits, no missing codes (NMC)
INL: ±6 ppm (typical), ±15 ppm (maximum)
Low temperature drift
Zero error drift: 15 nV/°C
Gain error drift: 0.4 ppm/°C
On-chip low-pass FIR filter
Linear phase response
Pass-band ripple: ±0.005 dB
Stop-band attenuation: 100 dB
2.5 V supply with 1.8 V/2.5 V/3 V/3.6 V logic interface options
Flexible interfacing options
Synchronization of multiple devices
Daisy-chain capability
Power-down function
Temperature range: 40°C to +105°C
APPLICATIONS
Low power PCI/USB data acquisition systems
Low power wireless acquisition systems
Vibration analysis
Instrumentation
High precision medical acquisition
FUNCTIONAL BLOCK DIAGRAM
VREF+
VIN+
VIN–
REFGND
AVDD AGND MCLK
DVDD VDRIVE DGND
SUCCESSIVE
APPROXIMATION
ADC
DIGITAL
FIR FILTER
SERIAL INTERFACE
AND
CONTROL LOGIC
SCLK DRDY SDO
SDI
AD7766/
AD7766-1/
AD7766-2
CS
SYNC/PD
06
44
9-
00
1
Figure 1.
GENERAL DESCRIPTION
The AD7766/AD7766-1/AD7766-2 are high performance,
24-bit, oversampled SAR analog-to-digital converters (ADCs).
The AD7766/AD7766-1/AD7766-2 combine the benefits of a
large dynamic range and input bandwidth, consuming 15 mW,
10.5 mW, and 8.5 mW power, respectively, and are contained in
a 16-lead TSSOP package.
Ideal for ultralow power data acquisition (such as PCI- and USB-
based systems), the AD7766/AD7766-1/AD7766-2 provide 24-bit
resolution. The combination of exceptional SNR, wide dynamic
range, and outstanding dc accuracy make the AD7766/AD7766-1/
AD7766-2 ideally suited for measuring small signal changes over a
wide dynamic range. This is particularly suitable for applications
where small changes on the input are measured on larger ac or
dc signals. In such an application, the AD7766/AD7766-1/
AD7766-2 accurately gather both ac and dc information.
The AD7766/AD7766-1/AD7766-2 include an on-board digital
filter (complete with linear phase response) that acts to elimi-
nate out-of-band noise by filtering the oversampled input voltage.
The oversampled architecture also reduces front-end antialias
requirements. Other features of the AD7766/AD7766-1/AD7766-2
include a SYNC/PD (synchronization/power-down) pin, allowing
the synchronization of multiple AD7766/AD7766-1/AD7766-2
devices. The addition of an SDI pin provides the option of daisy
chaining multiple AD7766/AD7766-1/AD7766-2 devices.
The AD7766/AD7766-1/AD7766-2 operate from a 2.5 V supply
using a 5 V reference. The devices operate from 40°C to +105°C.
RELATED DEVICES
Table 1. 24-Bit ADCs
Part No.
Description
2.5 MSPS, 100 dB dynamic range,1 on-board differential
amp and reference buffer, parallel, variable decimation
625 kSPS, 109 dB dynamic range,1 on-board differential
amp and reference buffer, parallel/serial, variable
decimation
312 kSPS, 109 dB dynamic range,1 on-board differential
amp and reference buffer, variable decimation (pin)
156 kSPS, 112 dB dynamic range,1 on-board differential
amp and reference buffer, variable decimation (pin)
128 kSPS, 109.5 dB,1 15 mW, 18-bit INL, serial interface
64 kSPS 112.5 dB,1 10.5 mW, 18-bit INL, serial interface
32 kSPS, 115.5 dB,1 8.5 mW, 18-bit INL, serial interface
1 Dynamic range at maximum output data rate.
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相關代理商/技術參數
參數描述
AD7767 制造商:AD 制造商全稱:Analog Devices 功能描述:24-Bit, 8.5 mW, 109 dB, 128/64/32 kSPS ADCs
AD7767BRUZ 功能描述:ADC 24BIT 128KSPS SAR 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率(每秒):1M 數據接口:串行,SPI? 轉換器數目:1 功率耗散(最大):- 電壓電源:模擬和數字 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 供應商設備封裝:24-VQFN 裸露焊盤(4x4) 包裝:Digi-Reel® 輸入數目和類型:8 個單端,單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
AD7767BRUZ-1 功能描述:ADC 24BIT 64KSPS SAR 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率(每秒):1M 數據接口:串行,SPI? 轉換器數目:1 功率耗散(最大):- 電壓電源:模擬和數字 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 供應商設備封裝:24-VQFN 裸露焊盤(4x4) 包裝:Digi-Reel® 輸入數目和類型:8 個單端,單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
AD7767BRUZ-1-RL7 功能描述:ADC 24BIT 10.5MW 64KSPS 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:12 采樣率(每秒):300k 數據接口:并聯 轉換器數目:1 功率耗散(最大):75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC(0.295",7.50mm 寬) 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數目和類型:1 個單端,單極;1 個單端,雙極
AD7767BRUZ-2 功能描述:ADC 24BIT 32KSPS SAR 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 其它有關文件:TSA1204 View All Specifications 標準包裝:1 系列:- 位數:12 采樣率(每秒):20M 數據接口:并聯 轉換器數目:2 功率耗散(最大):155mW 電壓電源:模擬和數字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-TQFP 供應商設備封裝:48-TQFP(7x7) 包裝:Digi-Reel® 輸入數目和類型:4 個單端,單極;2 個差分,單極 產品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
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