- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄375238 > AD7791 (Analog Devices, Inc.) Low Power, Buffered 24-Bit Sigma-Delta ADC PDF資料下載
參數(shù)資料
| 型號(hào)： | AD7791 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Power, Buffered 24-Bit Sigma-Delta ADC |
| 中文描述： | 低功耗，緩沖24位Σ-Δ模數(shù)轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 308K |
| 代理商： | AD7791 |
當(dāng)前第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)
Low Power, Buffered 24-Bit
Sigma-Delta ADC
AD7791
FEATURES
Power
Supply: 2.5 V to 5.25 V operation
Normal: 75 μA max
Power-down: 1 μA max
RMS noise: 1.1 μV at 9.5 Hz update rate
19.5-bit p-p resolution (22 bits effective resolution)
Integral nonlinearity: 3.5 ppm typical
Simultaneous 50 Hz and 60 Hz rejection
Internal clock oscillator
Rail-to-rail input buffer
V
DD
monitor channel
Temperature range: –40°C to +105°C
10-lead MSOP
INTERFACE
3-wire serial
SPI, QSPI, MICROWIRE, and DSP compatible
Schmitt trigger on SCLK
APPLICATIONS
Smart transmitters
Battery applications
Portable instrumentation
Sensor measurement
Temperature measurement
Pressure measurement
Weigh scales
4 to 20 mA loops
Rev.
0
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 companies.
Tel: 781.329.4700Fax: 781.326.8703
www.analog.comFUNCTIONAL BLOCK DIAGRAM
DOUT/RDY
DIN
SCLK
CS
04227-0-001
SERIAL
INTERFACE
CLOCK
Σ
-
ADC
AIN(–)
AIN(+)
GND
REFIN(+) REFIN(–)
AD7791
V
DD
BUF
V
DD
GND
Figure 1.
GENERAL DESCRIPTION
The AD7791 is a low power, complete analog front end for
low frequency measurement applications. It contains a low
noise 24-bit ∑- ADC with one differential input that can be
buffered or unbuffered.
The device operates from an internal clock. Therefore, the user
does not have to supply a clock source to the device. The output
data rate from the part is software programmable and can be
varied from 9.5 Hz to 120 Hz, with the rms noise equal to
1.1 μV at the lower update rate. The internal clock frequency
can be divided by a factor of 2, 4, or 8, which leads to a reduc-
tion in the current consumption. The update rate, cutoff
frequency, and settling time will scale with the clock frequency.
The part operates with a power supply from 2.5 V to 5.25 V.
When operating from a 3 V supply, the power dissipation for
the part is 225 μW maximum. It is housed in a 10-lead MSOP.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD7791BRM | Low Power, Buffered 24-Bit Sigma-Delta ADC |
| AD7791BRM-REEL | Low Power, Buffered 24-Bit Sigma-Delta ADC |
| AD7799 | Low Power, 24-Bit/16-Bit Sigma-Delta ADC with In-Amp |
| AD7811YN | +2.7 V to +5.5 V, 350 kSPS, 10-Bit 4-/8-Channel Sampling ADCs |
| AD7811YR | +2.7 V to +5.5 V, 350 kSPS, 10-Bit 4-/8-Channel Sampling ADCs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD7791BRM | 功能描述:IC ADC 24BIT BUFFERED LP 10MSOP RoHS:否 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 |
| AD7791BRM-REEL | 制造商:Analog Devices 功能描述:ADC Single Delta-Sigma 120sps 24-bit Serial 10-Pin MSOP T/R 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 0.12KSPS 24BIT SERL 10MSOP - Tape and Reel |
| AD7791BRMZ | 功能描述:IC ADC 24BIT BUFFERED LP 10MSOP 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 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(lèi)型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤(pán)（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類(lèi)型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7791BRMZ | 制造商:Analog Devices 功能描述:IC 16BIT ADC SMD 7791 MSOP10 |
| AD7791BRMZ-REEL | 功能描述:IC ADC 24BIT SIGMA-DELTA 10MSOP 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 |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。