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參數(shù)資料
| 型號： | AD8038AR-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Low Power 350 MHz Voltage Feedback Amplifiers |
| 中文描述： | OP-AMP, 3000 uV OFFSET-MAX, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 9/32頁 |
| 文件大小： | 860K |
| 代理商： | AD8038AR-REEL |
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AD5429/AD5439/AD5449
TERMINOLOGY
Relative Accuracy
Relative accuracy or endpoint nonlinearity is a measure of the
maximum deviation from a straight line passing through the
endpoints of the DAC transfer function. It is measured after
adjusting for zero and full scale and is typically expressed in
LSBs or as a percentage of full-scale reading.
Rev. 0 | Page 9 of 32
Differential Nonlinearity
Differential nonlinearity is the difference between the measured
change and the ideal 1 LSB change between any two adjacent
codes. A specified differential nonlinearity of ±1 LSB maximum
over the operating temperature range ensures monotonicity.
Gain Error
Gain error or full-scale error is a measure of the output error
between an ideal DAC and the actual device output. For these
DACs, ideal maximum output is V
REF
1 LSB. Gain error of the
DACs is adjustable to zero with external resistance.
Output Leakage Current
Output leakage current is current that flows in the DAC ladder
switches when these are turned off. For the I
OUT
1 terminal, it can
be measured by loading all 0s to the DAC and measuring the
I
OUT
1 current. Minimum current flows in the I
OUT
2 line when
the DAC is loaded with all 1s.
Output Capacitance
Capacitance from I
OUT
1 or I
OUT
2 to AGND.
Output Current Settling Time
The amount of time needed for the output to settle to a
specified level for a full-scale input change. For these devices,
it is specified with a 100 resistor to ground.
Digital-to-Analog Glitch lmpulse
The amount of charge injected from the digital inputs to the
analog output when the inputs change state. This is normally
specified as the area of the glitch in either pA-s or nV-s,
depending upon whether the glitch is measured as a current
or voltage signal.
Digital Feedthrough
When the device is not selected, high frequency logic activity on
the device digital inputs is capacitively coupled through the
device to show up as noise on the I
OUT
pins and subsequently
into the following circuitry. This noise is digital feedthrough.
Multiplying Feedthrough Error
The error due to capacitive feedthrough from the DAC
reference input to the DAC I
OUT
1 terminal, when all 0s are
loaded to the DAC.
Digital Crosstalk
The glitch impulse transferred to the outputs of one DAC in
response to a full-scale code change (all 0s to all 1s and vice
versa) in the input register of the other DAC. It is expressed in
nV-s.
Analog Crosstalk
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.
Channel-to-Channel Isolation
The proportion of input signal from the reference input of one
DAC that appears at the output of the other DAC. It is expressed
in dB.
Total Harmonic Distortion (THD)
The DAC is driven by an ac reference. The ratio of the rms sum
of the harmonics of the DAC output to the fundamental value is
the THD. Usually only the lower-order harmonics are included,
such as second to fifth.
(
4
3
2
log
20
V
)
1
2
5
2
2
2
V
V
V
V
THD
+
+
+
=
Intermodulation Distortion
The DAC is driven by two combined sine wave references of
frequencies fa and fb. Distortion products are produced at
sum and difference frequencies of mfa ± nfb, where m,
n = 0, 1, 2, 3… Intermodulation terms are those for which m or
n is not equal to zero. The second-order terms include (fa + fb)
and (fa fb) and the third-order terms are (2fa + fb), (2fa fb),
(f + 2fa + 2fb) and (fa 2fb). IMD is defined as
(
amplitude
rms
Compliance Voltage Range
The maximum range of (output) terminal voltage for which the
device provides the specified characteristics.
)
l
fundamenta
the
of
products
distortion
diff
and
sum
the
of
sum
rms
IMD
log
20
=
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| AD8038AR-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk ±6V/12V 8-Pin SOIC N T/R |
| AD8038ARZ | 功能描述:IC OPAMP VF LP LN LDIST 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
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