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參數資料
型號: ADT7516ARQ-REEL7
廠商: ANALOG DEVICES INC
元件分類: 溫度/濕度傳感器
英文描述: SPI/I2C Compatible, Temperature Sensor, Four Channel ADC and Quad Voltage Output DAC
中文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 16Cel, RECTANGULAR, SURFACE MOUNT
封裝: MO-137AB, QSOP-16
文件頁數: 11/44頁
文件大?。?/td> 1350K
代理商: ADT7516ARQ-REEL7
ADT7516/ADT7517/ADT7519
TERMINOLOGY
Relative Accuracy
Relative accuracy or integral nonlinearity (INL) is a measure of
the maximum deviation, in LSBs, from a straight line passing
through the endpoints of the transfer function. Typical INL
versus code plots can be seen in Figure 10, Figure 11, and
Figure 12.
Differential Nonlinearity
Differential nonlinearity (DNL) is the difference between the
measured change and the ideal 1 LSB change between any two
adjacent codes. A specified differential nonlinearity of ±0.9 LSB
maximum ensures monotonicity. Typical DAC DNL versus code
plots can be seen in Figure 13, Figure 14, and Figure 15.
Total Unadjusted Error (TUE)
Total unadjusted error is a comprehensive specification that
includes the sum of the relative accuracy error, gain error, and
offset error under a specified set of conditions.
Offset Error
This is a measure of the offset error of the DAC and the output
amplifier (See Figure 8 and Figure 9). It can be negative or
positive, and it is expressed in mV.
Offset Error Match
This is the difference in offset error between any two channels.
Gain Error
This is a measure of the span error of the DAC. It is the
deviation in slope of the actual DAC transfer characteristic
from the ideal expressed as a percentage of the full-scale range.
Gain Error Match
This is the difference in gain error between any two channels.
Offset Error Drift
This is a measure of the change in offset error with changes in
temperature. It is expressed in (ppm of full-scale range)/°C.
Gain Error Drift
This is a measure of the change in gain error with changes in
temperature. It is expressed in (ppm of full-scale range)/°C.
Long Term Temperature Drift
This is a measure of the change in temperature error with the
passage of time. It is expressed in °C. The concept of long-term
stability has been used for many years to describe the amount
an IC’s parameter would shift during its lifetime. This is a
concept that has typically been applied to both voltage
references and monolithic temperature sensors. Unfortunately,
integrated circuits cannot be evaluated at room temperature
(25°C) for 10 years or so to determine this shift. Manufacturers
perform accelerated lifetime testing of integrated circuits by
operating ICs at elevated temperatures (between 125°C and
150°C) over a shorter period (typically between 500 and 1000
Rev. A | Page 11 of 44
hours). As a result, the lifetime of an integrated circuit is
significantly accelerated due to the increase in rates of reaction
within the semiconductor material.
DC Power Supply Rejection Ratio (PSRR)
This indicates how the output of the DAC is affected by changes
in the supply voltage. PSRR is the ratio of the change in V
OUT
to
a change in V
DD
for full-scale output of the DAC. It is measured
in dB. V
REF
is held at 2 V and V
DD
is varied ±10%.
DC Crosstalk
This is the dc change in the output level of one DAC in response
to a change in the output of another DAC. It is measured with a
full-scale output change on one DAC while monitoring another
DAC. It is expressed in μV.
Reference Feedthrough
This is the ratio of the amplitude of the signal at the DAC
output to the reference input when the DAC output is not being
updated (i.e., LDAC is high). It is expressed in dB.
Channel-to-Channel Isolation
This is the ratio of the amplitude of the signal at the output of
one DAC to a sine wave on the reference input of another DAC.
It is measured in dB.
Major-Code Transition Glitch Energy
Major-code transition glitch energy is the energy of the impulse
injected into the analog output when the code in the DAC
register changes state. It is normally specified as the area of the
glitch in nV-s and is measured when the digital code is changed
by 1 LSB at the major carry transition (011 . . . 11 to 100 . . . 00 or
100 . . . 00 to 011 . . . 11).
Digital Feedthrough
Digital feedthrough is a measure of the impulse injected into
the analog output of a DAC from the digital input pins of the
device but is measured when the DAC is not being written to. It
is specified in nV-s and is measured with a full-scale change on
the digital input pins, i.e., from all 0s to all 1s or vice versa.
Digital Crosstalk
This is the glitch impulse transferred to the output of one DAC
at midscale in response to a full-scale code change (all 0s to all
1s and vice versa) in the input register of another DAC. It is
measured in standalone mode and is expressed in nV-s.
Analog Crosstalk
This is the glitch impulse transferred to the output of one DAC
due to a change in the output of another DAC. It is measured by
loading one of the input registers with a full-scale code change
(all 0s to all 1s and vice versa) while keeping LDAC high. Then
pulse LDAC low and monitor the output of the DAC whose
digital code was not changed. The area of the glitch is expressed
in nV-s.
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相關代理商/技術參數
參數描述
ADT7516ARQZ 功能描述:IC TEMP SNSR QUAD DAC 16-QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:3,000 系列:- 功能:溫度開關 傳感器類型:內部 感應溫度:85°C 分界點 精確度:±6°C(最小值) 拓撲:ADC(三角積分型),比較器,寄存器庫 輸出類型:開路漏極 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A,SOT-753 供應商設備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:ADT6501SRJZP085RL7-ND
ADT7516ARQZ-REEL 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP T/R
ADT7516ARQZ-REEL7 功能描述:IC SENSOR TEMP QD ADC/DAC 16QSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標準包裝:2,500 系列:SilentSense™ 功能:溫度監控系統(傳感器) 傳感器類型:內部和外部 感應溫度:-55°C ~ 125°C,外部傳感器 精確度:±2°C 本地(最大),±3°C 遠程(最大) 拓撲:ADC(三角積分型),比較器,寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應商設備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND
ADT7517 制造商:AD 制造商全稱:Analog Devices 功能描述:SPI-/I2C-Compatible, Temperature Sensor,4-Channel ADC and Quad Voltage Output
ADT7517ARQ 制造商:Analog Devices 功能描述:Temp Sensor Digital Serial (4-Wire, SPI, I2C) 16-Pin QSOP 制造商:Rochester Electronics LLC 功能描述:DTS,10-BIT QUAD DAC,4 ANALOG INPUTS I.C. - Bulk
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