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| 型號： | AD7170BCPZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SIGMA-DELTA 10LFCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 125 |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-WFDFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 10-LFCSP-WD（3x3） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 輸入數(shù)目和類型： | 2 個單端，雙極；1 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 777 (CN2011-ZH PDF) |
| 其它名稱： | AD7170BCPZ-500RL7DKR AD7170BCPZ-500RL7DKR-ND AD7170BCPZ-REEL7DKR |
12-Bit Low Power Sigma-Delta ADC
Data Sheet
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
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
2009–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Output data rate: 125 Hz
Pin-programmable power-down and reset
Status function
Internal clock oscillator
Current: 135 μA
Power supply: 2.7 V to 5.25 V
–40°C to +105°C temperature range
Package: 10-lead 3 mm x 3 mm LFCSP
INTERFACE
2-wire serial (read-only device)
SPI compatible
Schmitt trigger on SCLK
APPLICATIONS
Pressure measurement
Industrial process control
Portable instrumentation
FUNCTIONAL BLOCK DIAGRAM
12-BIT Σ-
ADC
AD7170
GND
INTERNAL
CLOCK
VDD
REFIN(+)
AIN(+)
AIN(–)
REFIN(–)
DOUT/RDY
SCLK
PDRST
08
41
6-
00
1
Figure 1.
Table 1.
VREF = VDD
RMS Noise
P-P Noise
P-P
Resolution
ENOB
5 V
11.5 μV
76 μV
12 bits
3 V
6.9 μV
45 μV
12 bits
GENERAL DESCRIPTION
The AD7170 is a very low power 12-bit analog-to-digital converter
(ADC). It contains a precision 12-bit sigma-delta (Σ-Δ) ADC
and an on-chip oscillator. Consuming only 135 μA, the AD7170
is particularly suitable for portable or battery operated products
where very low power is a requirement. The AD7170 also has a
power-down mode in which the device consumes 5 μA, thus
increasing the battery life of the product.
For ease-of-use, all the features of the AD7170 are controlled by
dedicated pins. Each time a data read occurs, eight status bits
are appended to the 12-bit conversion. These status bits contain
a pattern sequence that can be used to confirm the validity of
the serial transfer.
The output data rate of the AD7170 is 125 Hz, whereas the
settling time is 24 ms. The AD7170 has one differential input
and a gain of 1. This is useful in applications where the user
needs to use an external amplifier to implement system-specific
filtering or gain requirements.
The AD7170 operates with a power supply from 2.7 V to 5.25 V.
It is available in a 10-lead LFCSP package.
The AD7171 is a 16-bit version of the AD7170. It has the same
feature set as the AD7170 and is pin-for-pin compatible.
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參數(shù)描述 |
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| AD7171 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit Low Power Sigma-Delta ADC |
| AD7171BCPZ-500RL7 | 功能描述:IC ADC 16BIT SER 125HZ 10LFCSP 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 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7171BCPZ-REEL7 | 功能描述:IC ADC 16BIT SER 125HZ 10LFCSP 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 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7172-2BRUZ | 功能描述:24 Bit Analog to Digital Converter 2, 4 Input 1 Sigma-Delta 24-TSSOP 制造商:analog devices inc. 系列:- 包裝:管件 零件狀態(tài):有效 位數(shù):24 采樣率（每秒）:31.25k 輸入數(shù):2，4 輸入類型:差分，單端 數(shù)據(jù)接口:SPI，DSP 配置:MUX-ADC 無線電 - S/H:ADC:- A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):三角積分 參考類型:外部， 內(nèi)部 電壓 - 電源，模擬:2 V ~ 5.5 V 電壓 - 電源，數(shù)字:2 V ~ 5.5 V 特性:- 工作溫度:-40°C ~ 105°C 封裝/外殼:24-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:24-TSSOP 標(biāo)準(zhǔn)包裝:62 |
| AD7172-2BRUZ-RL | 功能描述:24 Bit Analog to Digital Converter 2, 4 Input 1 Sigma-Delta 24-TSSOP 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):有效 位數(shù):24 采樣率（每秒）:31.25k 輸入數(shù):2，4 輸入類型:差分，單端 數(shù)據(jù)接口:SPI，DSP 配置:MUX-ADC 無線電 - S/H:ADC:- A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):三角積分 參考類型:外部， 內(nèi)部 電壓 - 電源，模擬:2 V ~ 5.5 V 電壓 - 電源，數(shù)字:2 V ~ 5.5 V 特性:- 工作溫度:-40°C ~ 105°C 封裝/外殼:24-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:24-TSSOP 標(biāo)準(zhǔn)包裝:2,500 |
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