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參數(shù)資料
| 型號： | AD7797BRUZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 24BIT SIG-DEL 1CH 16TSSOP |
| 標準包裝： | 2,500 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 123 |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉換器數(shù)目： | 1 |
| 功率耗散（最大）： | 1.6mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°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(shù)目和類型： | 1 個差分，單極；1 個差分，雙極 |
| 配用： | EVAL-AD7797EBZ-ND - BOARD EVALUATION FOR AD7797 |
AD7796/AD7797
Rev. A | Page 23 of 24
APPLICATIONS
The AD7796/AD7797 offer a high resolution analog-to-digital
function. Because the analog-to-digital function is provided by
a Σ-Δ architecture, the parts are more immune to noisy
environments, making them ideal for use in sensor
measurement, and industrial and process-control applications.
WEIGH SCALES
Figure 17 shows the AD7796/AD7797 being used in a weigh
scale application. The load cell is arranged in a bridge network
and gives a differential output voltage between its OUT+ and
OUT– terminals. Assuming a 5 V excitation voltage, the full-
scale output range from the transducer is 10 mV when the
sensitivity is 2 mV/V. The excitation voltage for the bridge can
be used to directly provide the reference for the ADC because
the reference input range includes the supply voltage. This
allows a ratiometric measurement. Therefore, variations of the
excitation voltage do not affect the measurement.
The on-chip temperature sensor can be used for temperature
compensation of the bridge so the variation of the sensor
resistance with temperature drift can be monitored and the
conversions from the bridge can be compensated.
AD7796/AD7797
AIN(+)
AIN(–)
INTERNAL
CLOCK
AVDD
DVDD
REFIN(–)
REFIN(+)
DOUT/RDY
DIN
SCLK
MUX
GND
CLK
Σ-Δ
ADC
VDD
×128
TEMP
SENSOR
SERIAL
INTERFACE
AND
CONTROL
LOGIC
CS
IN+
IN–
OUT–
OUT+
06
08
3
-01
7
Figure 17. Weigh Scales Using the AD7796/AD7797
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD7798 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3-Channel, Low Noise, Low Power, 16-/24-Bit, ADC with On-Chip In-Amp |
| AD7798BRU | 制造商:Analog Devices 功能描述:ADC SGL DELTA-SIGMA 0.47KSPS 16BIT SERL 16TSSOP - Bulk |
| AD7798BRUZ | 功能描述:IC ADC 16BIT SIG-DEL 3CH 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝: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 供應商設備封裝: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 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7798BRUZ-REEL | 功能描述:IC ADC 16BIT 3CH LP 16-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 標準包裝: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） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| AD7799 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, 24-Bit/16-Bit Sigma-Delta ADC with In-Amp |
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