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參數(shù)資料
| 型號(hào)： | AD7191BRUZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 2/21頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 2CH 24B SD 24TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Weigh Scale Introduction |
| 設(shè)計(jì)資源： | Precision Weigh Scale Design Using AD7191 with Internal PGA (CN0118) |
| 標(biāo)準(zhǔn)包裝： | 62 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 120 |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 2 個(gè)差分，雙極 |
| 產(chǎn)品目錄頁(yè)面： | 777 (CN2011-ZH PDF) |
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AD7191
Rev. A | Page 9 of 20
Pin No.
Mnemonic
Description
20
AVDD
Analog Supply Voltage, 3 V to 5.25 V. AVDD is independent of DVDD. Therefore, DVDD can be operated at 3 V
with AVDD at 5 V or vice versa.
21
DVDD
Digital Supply Voltage, 2.7 V to 5.25 V. DVDD is independent of AVDD. Therefore, AVDD can be operated at 3 V
with DVDD at 5 V or vice versa.
22
ODR1
Output Data Rate, Digital Input Pin. This pin is used with ODR2 to select the output data rate. See Table 5.
23
DOUT/RDY
Serial Data Output/Data Ready Output. DOUT/RDYserves a dual purpose. It functions as a serial data
output pin to access the data conversions from the ADC. In addition, DOUT/RDYoperates as a data ready
pin, going low to indicate the completion of a conversion. If the data is not read after the conversion, the
pin goes high before the next update occurs. The serial interface is reset each time that a conversion is
available. The DOUT/RDY falling edge can be used as an interrupt to a processor, indicating that valid data
is available. With an external serial clock, the data can be read using the DOUT/RDY pin. Data is placed on
the DOUT/RDY pin on the SCLK falling edge and is valid on the SCLK rising edge.
24
ODR2
Output Data Rate, Digital Input Pin. This pin is used with ODR1 to select the output data rate. See Table 5.
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相關(guān)代理商/技術(shù)參數(shù) |
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| AD7191BRUZ | 制造商:Analog Devices 功能描述:IC ADC 24BIT 120SPS TSSOP-24 |
| AD7191BRUZ-REEL | 功能描述:IC ADC 24BIT 2CH LN SD 24TSSOP 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:1,000 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)目和類型:2 個(gè)單端，單極 |
| AD7191KSTZ | 制造商:Analog Devices 功能描述: |
| AD7191S/0B | 制造商:Sony Nec Optiarc America 功能描述:DOUBLE DUAL INTERNAL DVDRW SATA BEZEL 20X/18X12XRAM - Bulk |
| AD7192 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4.8 kHz, Ultralow Noise, 24-Bit Sigma-Delta ADC with PGA |
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