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參數資料
| 型號： | AD8605ART-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Precision Low noise CMOS Rail-to-Rail Input/Output Operational Amplifiers |
| 中文描述： | OP-AMP, 750 uV OFFSET-MAX, 10 MHz BAND WIDTH, PDSO5 |
| 封裝： | MO-178AA, SOT-23, 5 PIN |
| 文件頁數： | 13/20頁 |
| 文件大小： | 559K |
| 代理商： | AD8605ART-REEL7 |
AD8605/AD8606/AD8608
APPLICATION INFORMATION
Rev. D | Page 13 of 20
OUTPUT PHASE REVERSAL
Phase reversal is defined as a change in polarity at the output of
the amplifier when a voltage that exceeds the maximum input
common-mode voltage drives the input.
Phase reversal can cause permanent damage to the amplifier; it
may also cause system lockups in feedback loops. The AD8605
does not exhibit phase reversal even for inputs exceeding the
supply voltage by more than 2 V.
TIME (4
μ
s/DIV)
V
V
OUT
V
IN
V
S
= ±2.5V
V
IN
= 5V p-p
A
V
= 1
R
L
= 10k
0
Figure 43. No Phase Reversal
MAXIMUM POWER DISSIPATION
Power dissipated in an IC causes the die temperature to
increase. This can affect the behavior of the IC and the
application circuit performance.
The absolute maximum junction temperature of the AD8605/
AD8606/AD8608 is 150°C. Exceeding this temperature could
cause damage or destruction of the device. The maximum
power dissipation of the amplifier is calculated according to
the following formula:
JA
A
J
DISS
P
T
T
θ
=
where:
T
J
= junction temperature
T
A
= ambient temperature
θ
JA
= junction to-ambient-thermal resistance
Figure 44 compares the maximum power dissipation with
temperature for the various AD8605 family packages.
TEMPERATURE (°C)
1.0
0.8
0
0
100
20
P
40
60
80
0.6
0.4
0.2
SOIC-14
2.0
1.8
1.6
1.4
1.2
SOIC-8
SOT-23
MSOP
0
TSSOP
Figure 44. Maximum Power Dissipation vs. Temperature
INPUT OVERVOLTAGE PROTECTION
The AD8605 has internal protective circuitry. However, if the
voltage applied at either input exceeds the supplies by more
than 2.5 V, external resistors should be placed in series with the
inputs. The resistor values can be determined by the formula
(
)
(
)
R
S
200
mA
5
V
V
S
IN
+
≤
The remarkable low input offset current of the AD8605 (<1 pA)
allows the use of larger value resistors. With a 10 k resistor at
the input, the output voltage has less than 10 nV of error
voltage. A 10 k resistor has less than 13 nV/√Hz of thermal
noise at room temperature.
THD + NOISE
Total harmonic distortion is the ratio of the input signal in V
rms to the total harmonics in V rms throughout the spectrum.
Harmonic distortion adds errors to precision measurements
and adds unpleasant sonic artifacts to audio systems.
The AD8605 has a low total harmonic distortion. Figure 45
shows that the AD8605 has less than 0.005% or
86 dB of THD
+ N over the entire audio frequency range. The AD8605 is
configured in positive unity gain, which is the worst case, and
with a load of 10 k.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8605ARTZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision, Low Noise, CMOS, Rail-to-Rail, Input/Output Operational Amplifiers |
| AD8605ARTZ-R2 | 功能描述:IC OPAMP GP R-R CMOS LN SOT23-5 RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 標準包裝:2,500 系列:- 放大器類型:通用 電路數:1 輸出類型:滿擺幅 轉換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SO 包裝:帶卷 (TR) |
| AD8605ARTZ-R2 | 制造商:Analog Devices 功能描述:IC OP AMP SINGLE 10MHZ 5SOT23 |
| AD8605ARTZ-REE | 制造商:Analog Devices 功能描述: |
| AD8605ARTZ-REEL | 功能描述:IC OPAMP GP R-R CMOS LN SOT23-5 RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:DigiTrim® 標準包裝:160 系列:- 放大器類型:通用 電路數:4 輸出類型:滿擺幅 轉換速率:10 V/µs 增益帶寬積:9MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:250µV 電流 - 電源:730µA 電流 - 輸出 / 通道:28mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:16-SOIC N 包裝:管件 |
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