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參數(shù)資料
| 型號： | AD7266BSUZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/29頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 3CH 2MSPS 32-TQFP |
| 設(shè)計資源： | AD7266 SAR ADC in DC-Coupled Differential and Single-Ended Appls (CN0039) |
| 標準包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 2M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 33.6mW |
| 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： | 32-TQFP |
| 供應(yīng)商設(shè)備封裝： | 32-TQFP（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 12 個單端，單極；6 個差分，單極；6 個偽差分，單極 |
| 產(chǎn)品目錄頁面： | 777 (CN2011-ZH PDF) |
第1頁第2頁第3頁第4頁當前第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁
AD7266
Rev. B | Page 12 of 28
The AD7266 is tested using the CCIF standard where two input
frequencies near the top end of the input bandwidth are used.
In this case, the second-order terms are usually distanced in
frequency from the original sine waves, while the third-order
terms are usually at a frequency close to the input frequencies.
As a result, the second-order and third-order terms are
specified separately. The calculation of the intermodulation
distortion is as per the THD specification, where it is the ratio
of the rms sum of the individual distortion products to the rms
amplitude of the sum of the fundamentals expressed in dBs.
Common-Mode Rejection Ratio (CMRR)
CMRR is defined as the ratio of the power in the ADC output at
full-scale frequency, f, to the power of a 100 mV p-p sine wave
applied to the common-mode voltage of VIN+ and VIN of
frequency fS as
CMRR (dB) = 10 log(Pf/PfS)
where:
Pf is the power at frequency f in the ADC output.
PfS is the power at frequency fS in the ADC output.
Power Supply Rejection Ratio (PSRR)
Variations in power supply affect the full-scale transition but
not the converter’s linearity. PSRR is the maximum change in
the full-scale transition point due to a change in power supply
voltage from the nominal value (see Figure 4).
Thermal Hysteresis
Thermal hysteresis is defined as the absolute maximum change
of reference output voltage after the device is cycled through
temperature from either
T_HYS+ = +25°C to TMAX to +25°C
or
T_HYS = +25°C to TMIN to +25°C
It is expressed in ppm by
6
10
)
C
25
(
)
_
(
)
C
25
(
)
(
×
°
°
=
REF
HYS
V
HYS
T
V
ppm
V
where:
VREF (25°C) is VREF at 25°C.
VREF (T_HYS) is the maximum change of VREF at T_HYS+ or
T_HYS.
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| AD7266BSUZ-REEL | 功能描述:IC ADC 12BIT 3CHAN 2MSPS 32TQFP 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(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 個單端，單極 |
| AD7266BSUZ-REEL7 | 功能描述:IC ADC 12BIT 3CHAN 2MSPS 32TQFP 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(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 個單端，單極 |
| AD7273 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3MSPS,10-/12-Bit ADCs in 8-Lead TSOT |
| AD72731 | 制造商:AD 制造商全稱:Analog Devices 功能描述:3 MSPS,10-/12-Bit ADCs in 8-Lead TSOT |
| AD7273BRM | 制造商:AD 制造商全稱:Analog Devices 功能描述:3MSPS,10-/12-Bit ADCs in 8-Lead TSOT |
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